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Philips TDA9605H User's Manual

1. volume left gt volume right envelope output 1 0 CONTROL select record PEAK HOLD DCL AUTO MUTE mute PEAK HOLD DCR 10 uF decoder line RFC normal select TDA9605H MGR839 linear audio Fig 14 Application diagram E NOILVINHOJNI LSAL ANV NOILVOl IddV PL W IU SHA 10 Jeuiduue peeu ui 10sseooJd oipny HS096VQ L s1ojonpuooruegs sdi iug uoneorioeds 1onpojg Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 14 1 RM and HID control signals To assure proper input conditions on pin RMHID the RM and HID control signals see Fig 15 should satisfy the requirements given in Table 39 10 kQ 5 TDA9605H 10 KQ 5 96 TDA9605H DM DM HID HID 18 kQ 5 18 KQ 5 96 MGR840 a HID input only b HID and RM input Fig 15 RMHID input Table 39 Conditions of RM and HID input signal HID INPUT SIGNAL ONLY HID AND RM INPUT SIGNALS CONDITIONS MIN CONDITIONS MIN SIGNAL HID LOW OV LOW OV HIGH RM grounded HIGH 4 3 V 55V 14 2 Reference current resistor The requirements for the refer
2. Purchase of Philips 12C components conveys a license under the Philips 12C patent to use the components in the 12C system provided the system conforms to the PC specification defined by Philips This specification can be ordered using the code 9398 393 40011 1999 Apr 14 51 Philips Semiconductors Argentina see South America Australia 34 Waterloo Road NORTH RYDE NSW 2113 Tel 61 2 9805 4455 Fax 61 2 9805 4466 Austria Computerstr 6 A 1101 WIEN P O Box 213 Tel 43 1 60 101 1248 Fax 43 1 60 101 1210 Belarus Hotel Minsk Business Center Bld 3 r 1211 Volodarski Str 6 220050 MINSK Tel 375 172 20 0733 Fax 375 172 20 0773 Belgium see The Netherlands Brazil see South America Bulgaria Philips Bulgaria Ltd Energoproject 15th floor 51 James Bourchier Blvd 1407 SOFIA Tel 359 2 68 9211 Fax 359 2 68 9102 Canada PHILIPS SEMICONDUCTORS COMPONENTS Tel 1 800 234 7381 Fax 1 800 943 0087 China Hong Kong 501 Hong Kong Industrial Technology Centre 72 Tat Chee Avenue Kowloon Tong HONG KONG Tel 852 2319 7888 Fax 852 2319 7700 Colombia see South America Czech Republic see Austria Denmark Sydhavnsgade 23 1780 COPENHAGEN V Tel 45 33 29 3333 Fax 45 33 29 3905 Finland Sinikalliontie 3 FIN O2630 ESPOO Tel 358 9 615 800 Fax 358 9 6158 0920 France 51 Rue Carnot BP317 92156 SURESNES Cedex Tel 33 1 4099 616
3. ojoi 2 o Ojo TGR 9 Sg ges ss 9 Oo 71 mA 84 mA p p high recording current is 71 mA high recording current is 84 mA p p hej CO sch sch O O OCH o r o rtsyo erty Oo i 12 5 mA p CH TE i O ch a 21 mA p p low recording current is 12 5 mA p p p p 15 mA p p low recording current is 15 mA p p 17 5 mA p p low recording current is 17 5 mA p p p p low recording current is 21 mA p p 1999 Apr 14 22 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 7 5 Select byte at subaddress 01H The select byte is used for decoder output select record current range select and linear audio volume control 7 5 1 DECODER OUTPUT SELECT By setting bit DOS 0 of the output byte the decoder output signal on pins DECL and DECR is defined by the output select function However by setting bit DOS 1 the decoder select function enables several independent signal selections controlled via bits DOS1 and DOSO Via the decoder select function the input signals on pins TUNL and TUNR pins EXT1L and EXT1R and pin SAP can be selected The mute mode can also be selected The indicated decoder select function modes are also available during the active standby mode by setting bit STBA 1 Table 15 Decoder output se
4. FM modulator THD total harmonic distortion Affm 50 kHz test 25a and 26a Afemmax maximum FM deviation of test 25a and 26a clipper c acc carrier frequency accuracy auto calibration Ale carrier frequency difference fer fe for NTSC auto calibration fo shift carrier frequency shift NTSC PAL system switching TC temperature coefficient Noise reduction and FM modulator Afem FM deviation Record output on pin RECOUT lo acc output current accuracy 1 5 Ousch carrier mix ratio accuracy left compared to right carrier 1 Ome IM2 product note 2 66 dB Notes 1 B220 Hz to 20 kHz unweighted 2 Amplitude of 400 kHz intermodulation product Lan and fcq compared to amplitude of recording current fer fcq 1999 Apr 14 35 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 13 PLAYBACK MODE CHARACTERISTICS Voc 12 V Tamb 25 C measured in typical application circuit of Fig 14 unless otherwise specified SYMBOL PARAMETER CONDITIONS Play back input on pins PBIN2 and PBIN1 input resistance input capacitance input noise voltage input noise current Ri Inti Head mode switch pin HSMW input impedance with respect to ground Head amplifier gain accuracy gain balance head to head crosstalk et HF AGC test 5 test 8 3 0 between pins PBIN1 and PBIN2 1 0 between pins
5. Read continued 7 3 Table 8 Condensed overview START B9H data from IC data from IC data from IC STOP Overview of the TDA9605H I C bus control FUNCTION Audio FM mode MODES CONTROL BITS playback and record Playback dropout cancelling Playback head switch noise cancel time on and off 6 us and 8 us AFM DOC SHH Playback hi fi carrier detection time Record mute and carrier ratio select slow and fast record mute 3 4 5 6 8 9 5 11 and 12 5 dB mix ratio DETH DOC SHH and DETH System standard Playback head amplifier amplification NTSC and PAL NTSC 48 51 54 57 60 63 66 and 69 dB HAC2 HAC1 and HACO Record head amplifier current Normal input level 12 5 15 17 5 21 25 30 35 42 50 60 HAC2 HAC1 HACO and HRL 71 and 84 mA p p 0 to 14 dB and mute NIL3 NIL2 NIL1 and NILO Input select tuner CINCH ext1 ext2 SAP dub mix normal and aux IS2 IS1 and ISO Normal select Line output amplification input select volume input left NS2 NS1 and NSO volume left SAP tuner ext2 and mute 0 dB and 1 dB LOH Output select Envelope select mute left right stereo normal mix left OSN OSR and OSL mix right and mix stereo output select stereo and HF envelope Line select output select and ext2 EOS and AFM LOS Decoder select output select tuner ext1 SAP and mute DOS DOS1 and DOSO RF converter mu
6. Fig 11 HF envelope output playback carrier level RF converter output dBV 3 MGR848 line output dBV Fig 13 AGC output of RF converter 1999 Apr 14 16 MGR847 5 ENVOUT output voltage V 4 47 40 30 20 10 0 10 LINEL and LINER output level dBV Bit LOH 0 Fig 12 AF envelope output audio peak level 6 8 RF converter output An AGC function is incorporated to avoid overmodulation in the RF converter connected to pin RFCOUT The AGC limits the maximum signal level on the RF converter output to 3 dBV see Fig 13 The RF converter output can be muted by setting bit RFCM 1 When using this RF converter mute the AGC control is reset by discharging the capacitor connected to pin RFACG Philips Semiconductors Audio processor with head amplifier for VHS hi fi 6 9 Audio dubbing The TDA9605H includes unparalleled functionality supporting the audio dubbing function of hi fi video recorders Audio dubbing is a feature which enables the recording of new sound material on the linear audio track i e normal sound of an existing recording The dub mix mode is selected by setting bit IS2 1 bit IS1 0 and bit ISO 1 Audio dubbing can be used in two different ways e Output mix Input mix 6 9 1 OUTPUT MIX A new additional recording is made on the linear audio track In the playback
7. 1 1 mute linear audio signal muted Note 1 Power on reset state 7 6 Input byte at subaddress 02H The input byte is used for input selection of the hi fi and linear audio 7 6 1 INPUT SELECT The input select function defines the input signal which is forwarded to the volume control function of hi fi processing and usually via the normal select function to the external linear audio circuit on pin LINOUT Table 18 Input select bits IS2 IS1 and ISO IS2 IS1 ISO MODE DESCRIPTION tuner tuner input signal on pins TUN and TUNR note 1 0 0 0 1 CINCH CINCH input signal on pins CINL and CINR 1 ext2 decoder input signal on pins EXT2L and EXT2R 0 SAP mono input signal on pin SAP 0 dub mix input signal on pins AUXL and AUXR for left channel and from hi fi output signal for right channel note 2 1 0 normal from linear audio circuit from pin LININ 1 1 1 aux input on pins AUXL and AUXR e g camcorder input Notes 1 Power on reset state 2 The dub mix mode is a special selection which supports audio dubbing This video recorder feature enables the recording of the sound signal of the linear audio only see Section 6 9 1999 Apr 14 24 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 7 6 2 NORMAL SELECT The normal select function defines which of the input signals is forwarded to pin LINOUT for the connect
8. applications that do not require use of the integrated head amplifier By setting bit HPD 1 the head amplifier playback circuit is disabled This mode enables direct input signal to the HF AGC circuit via pin HMSW AC coupled via a 10 nF capacitor Table 32 Head amplifier playback disable bit HPD MODE DESCRIPTION operating standard operating mode note 1 mode head amplifier disable head amplifier disabled in playback mode for test or special application Note 1 Power on reset state 7 9 6 POWER MUTING The power mute function controls the mute switches on the line and RF converter outputs The power mute mode is automatically activated via the Power on reset function during power up of the supply voltage During power down the mute switches are activated automatically by means of the auto mute circuit which is independent of the setting of bit MUTE When setting bit MUTE 1 the output current on pins RFCOUT LINEL LINER DECL and DECR is limited to 1 mA for controlled power up response and the selected output signal is muted see Section 6 6 Table 33 Power mute bit MUTE MUTE MODE DESCRIPTION 0 no mute power muting released mute switches are open 1 mute power muting activated mute switches are closed note 1 Note 1 Power on reset state Philips Semiconductors Audio processor with head amplifier for VHS hi fi 7 9 7 The TDA9605H is switched in the low power a
9. automatically selected by the output select function For this auto normal mode e The timing of the hi fi carrier detection can be selected via bit DETH which defines the auto normal release time Fast mode hi fi detection delay is 1 to 2 HID control signal periods for NTSC 33 to 66 ms for PAL 40 to 80 ms Slow mode hi fi detection delay is 7 to 8 HID control signal periods for NTSC 233 to 267 ms for PAL 280 to 320 ms e The state of hi fi detection and auto normal can be monitored by I C bus control bit AUTN of the read byte n case automatic selection of the normal audio signal is not required the normal input level control can be set to mute bits NIL3 to NILO of the select byte Table 10 Dropout cancelling bit DOC sample and hold high state bit SHH and detector time hi fi bit DETH in the playback mode note 1 AFM DOC SHH DETH MODE DESCRIPTION 0 X X playback and DOC off dropout cancelling disabled 1 playback and DOC on dropout cancelling active playback and sample and hold time 6 us head switch noise cancel time set to 6 us playback and sample and hold time 8 us head switch noise cancel time set to 8 us playback and hi fi detect fast fast mode hi fi detector timing playback and hi fi detect slow slow mode hi fi detector timing Note 1 X don t care 1999 Apr 14 20 Philips Semiconductors Product specification Audio processor with head amplifier for VHS
10. from head 57 dB hi fi detection level equals 4 7 uV RMS from head Oo eo Oo o o hi fi detection level equals 9 4 uV RMS from head Oo ojojo 60 dB hi fi detection level equals 3 3 uV RMS from head oo Yaa etn oa eI IPS nien 66 dB hi fi detection level equals 1 7 uV RMS from head EE 7 4 6 CH lh HEAD AMPLIFIER RECORD CURRENT A total of twelve settings of the recording current can be selected for the head amplifier record output pin RECOUT Bit HRL of the select byte selects between high and low current settings The recording current is defined as the peak to peak value of the current of the record output signal which includes both the left and right carrier signal The selected recording current is independent of the selected record mix ratio setting but recording is disabled during the record mute mode as defined by the bits DOC SHH and DETH or the control signal on pin RMHID Table 14 Head amplifier control bits HAC2 HAC1 and HACO and head record current low bit HRL in the record mode HAC2 HAC1 HACO HRL MODE 0 25 mA p p 30 mA 35 mA 42 mA 50 mA 60 mA DESCRIPTION high recording current is 25 mA o lh CH CH aS a p p p p high recording current is 30 mA p p high recording current is 35 mA high recording current is 42 mA eo alala high recording current is 50 mA high recording current is 60 mA f
11. record normal select 1 C bus control M mute B T TDA9605H LINOUT LININ Fig 1 Block diagram EXPANDER DCFBL DETECTOR 3 berr 5th ORDER AUDIOLPF W FM RECTIFIER Ca DCR 32 EMPHR COMPRESSOR EXPANDER DCFBR decoder select 41dB 12V DECL DECR LINEL MUTEL LINER MUTER gt RFCOUT MUTEC RF converter mute 12 MGR834 RFCAGC WVYSVId 5018 E W IU SHA 10 Jeuiduue peeu ui 10sseooJd oipny HS096VQ L SJOJONPUODILWAS su uoneojioeds 1onpoug Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 5 PINNING SYMBOL PIN DESCRIPTION SAP 1 tuner input mono TUNL 2 tuner input left TUNR 3 tuner input right CINL 4 CINCH input left CINR 5 CINCH input right EXT1L 6 external 1 input left EXT1R 7 external 1 input right EXT2L 8 external 2 input left EXT2R 9 external 2 input right AUXL 10 auxiliary input left AUXR 11 auxiliary input right RFCAGC 12 RF converter AGC timing connection RFCOUT 13 RF converter output MUTEC 14 mute for RF converter output MUTEL 15 mute for line output left LINEL 16 line output left line output right LINER 17 MUTER 18 9 mute for line output right decoder output left decoder output right 1 20 LINOUT 21 linear audio outp
12. 0 dB AGC MUTE RFCOUT envelope select OUTPUT SELECT STEREO E 41 ENVOUT HF ENVELOPE MGR836 UU SHA 40J Jeuiduue peau ui JosseooJd oipny HS096VQ L SJOJONPUODIWAS Sie uoneoroeds jonpoug FL Jdy 6661 TUNL input select TUNR volume aux ciNL ES CINR 3 MUTE ExriL 3 47 to 0 dB ExriR H 0 to 15 dB Era EXT2R MUTE sar C 747 to 0 dB AUXL O 0 to 15 dB AUXRL tape PBIN1 RECOUT PBIN2 AUDIO FM PROCESSING playback normal select INPUT SELECT INPUT LEFT VOLUME VOLUME LEFT SAP TUNER EXT2 MUTE Dub mix mode IS2 1 IS1 0 and ISO 1 normal input level MUTE 0 to 14 dB a LINOUT LININ linear audio processing record Input mixing of the hi fi playback signal with the auxiliary used for linear audio dubbing recording Selections generally used in combination with dub mix mode are shown in heavy line type output select MUTE LEFT RIGHT STEREO NORMAL NORMAL NORMAL NORMAL MUTE LEFT RIGHT LEFT CO RIGHT MUTE LEFT RIGHT LEFT RIGHT HF envelope Fig 4 Input and output selections for dub mix mode decoder select TUNER EXT1 SAP MUTE OUTPUT SELECT EXT2 OUTPUT SELECT RF converter AGC 0 dB AGC MUTE envelope
13. 24 dB in order to calculate the equivalent distortion for the standard NTSC 29 97 Hz HID control signal 3 B 20 Hz to 20 kHz unweighted 1999 Apr 14 38 RM HID playback head DCL DCH zt HID HFAGC L x N E 7x AF HF envelope envelope output gt P select playback DETECTOR HF LIMITER 1 3 or 1 4 MHz SDA SCL p HIFI C BUS DETECTOR INTERFACE AUTN DROPOUT J CANCELING Top LEVEL NOISE SUPPRESSION 9to12V SUPPLY 47 uF T 10 nF d 2 2 uF i 39 kQ 2 D standby select NOISE REDUCTION 5th ORDER co co co 5V gt o 47 uF ke s A 100 nF head drum AH1 AH2 gt e M 100 nF C 10nF 4702 playback record mute recording SAP SAP gt TUL gt tuner 3 TUR co SC 8 cmon DO EN 1 gt A exti 7 EIR _ ext2 9 E2R no 10 gt 220 nF input select a I C bus control M amplification record head current RM MHIO carrier ratio select record mute LEVEL DETECTOR AUDIO CLIPPER AUDIO LPF COMPRESSOR EXPANDER DETECTOR RECTIFIER DETECTOR 5th ORDER Be AUDIOLPF W FM HF LIMITER RECTIFIER NOISE SUPPRESSION 1 7 0 1 8 MH or x COMPRESSOR cCA HEAD AMPLIFIER EXPANDER AUDIO CLIPPER HFLFP decoder FM DE MODULATOR select 1dB 12V Ux AUTN output select gt 19
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16. byte subaddress 03H POR state Left volume byte subaddress 04H POR state Right volume byte subaddress 05H POR state Volume byte subaddress 06H simultaneous loadi Power byte subaddress 07H CALS VCCS TEST PORR HPD MUTE STBP STBA POR state 0 0 0 0 0 1 0 0 Read mode Slave address byte B9H 1 0 1 1 Read byte B9H CALR AUTN CALE POR Notes 1 Continuous writing to a single data byte register is possible when subaddresses FOH to F7H 1111 Oxxx are used instead of 00H to 07H 0000 0xxx In that case automatic subaddress incrementing is disabled 2 Itis advised to keep the not used write bits equal to the POR state to accommodate future compatibility 3 You cannot rely upon the state of the not used read bits because their state may change during development 1999 Apr 14 18 Philips Semiconductors Audio processor with head amplifier for VHS hi fi 7 2 Table 7 Examples of valid transmissions Product specification TDA9605H Valid transmissions to and from the TDA9605H FUNCTION DATA TRANSFER SEQUENCE Write Write with auto increment START B8H 00H data for 00 STOP START B8H 00H data for 00 data for 01 data for 02 STOP Write with auto increment wrap around START B8H 07H data for 07 data for 00 data for 01 STOP Write without auto increment Read START BBH F6H data for 06 data for 06 data for 06 STOP START B9H data from IC STOP
17. for VHS hi fi During power muting the internal output signal is also muted After the output DC voltage has been established power muting can be de activated by setting bit MUTE 0 Now the mute switches are opened resulting in a high impedance path of 100 kQ to ground The output current limiting is not active Power muting is also used in combination with the integrated passive standby mode bit STBP 1 During this mode the output circuits are switched off and the line decoder and RF converter output voltages decrease to 0 V using a discharge current of 1 mA Do not set power mute mode and change the passive standby mode at the same time Power mute mode should be activated first followed by switching on or off of the passive standby mode to avoid possible output glitches It should be noted that the time needed for stabilizing the output DC voltage is proportional to the output capacitor value A safe mute time is 200 ms using a 10 uF capacitor tmute C x 20000 s Power muting consumes approximately 4 mA additional supply current so to obtain minimum power consumption the mute mode should be de activated after use Very good performance is achieved for power up power down and passive standby mode switching An auto mute function is included which activates power muting when the supply voltage drops below 7 V The performance of this auto mute function depends upon the power voltage drop rate The voltage drop rate should no
18. hi fi TDA9605H 7 4 3 RECORD MODE During the record mute mode the recording output current on pin RECOUT is muted and the head amplifier is partly disabled The record mode set by 2C bus control can also be changed to the record mute mode by an external control signal on pin RMHID Sometimes the record mute mode is named loop through mode or EE mode Table 11 Dropout cancelling bit DOC sample and hold high state bit SHH and detector time hi fi bit DETH in the record mode DOC SHH MODE DESCRIPTION 0 record mute record mute and no recording output current note 1 record and 3 dB mix recording with 3 dB output carrier ratio 1 1 4 recording with 4 5 dB output carrier ratio 1 1 7 recording with 6 dB output carrier ratio 1 2 recording with 8 dB output carrier ratio 1 2 5 1 0 recording with 9 5 dB standard output carrier ratio 1 3 1 1 recording with 11 dB output carrier ratio 1 3 5 1 1 1 1 record and 12 5 dB mix recording with 12 5 dB output carrier ratio 1 4 2 Note 1 Power on reset state 7 4 4 SYSTEM STANDARD SELECTION Bit NTSC selects between the NTSC and PAL SECAM system carrier frequencies for the CCO modulators or PLL demodulators and the band pass filters FM carrier frequencies of 1 3 and 1 7 MHz are used for the NTSC system where 1 4 and 1 8 MHz are used for the PAL system Different code settings for the auto calibration circuit assure proper calibration using the
19. mode HAC 000 record mode HAC 011 record mode HAC 111 active or passive standby STBA 1 or STBP 1 1999 Apr 14 32 Philips Semiconductors Audio processor with head amplifier for VHS hi fi SYMBOL PARAMETER CONDITIONS Product specification TDA9605H Internally generated voltage levels DC voltage on pins SAP TUNL TUNR CINL CINR EXTL1 EXTLR AUXL AUXR LININ and RFCOUT DC voltage on pin LINOUT DC voltage on pins LINEL Voc 9 V VCCS 0 LINER DECL and DECR Control signal input pin RMHID Vcc 12 V VCCS 1 input voltage record or record mute with I2C bus control RM LOW for head 2 HID LOW for head 1 HID HIGH record mute RM HIGH for head 2 HID LOW for head 1 HID HIGH 11 RECORD MUTE MODE CHARACTERISTICS Voc 12 V Tamb 25 C tuner audio input level 8 dBV at f 1 kHz Power on reset state with output select stereo bit RFCM 0 bit MUTE 0 auto calibrated measured in typical application circuit of Fig 14 unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT Line inputs pins SAP TUNL TUNR CINL CINR EXT1L EXT1R EXT2L EXT2R AUXL and AUXR Vi input voltage 9 dBV input impedance Linear audio output pin LINOUT output voltage Vo Ro output impedance Line and decoder outputs pins LINEL LINER DECL and DECR normal output LOH 0 o
20. mode the new linear audio sound and the original hi fi sound are combined In this way the hi fi stereo quality remains and the linear audio sound is partly used e g for commentary only However there is no control over the original hi fi sound Mixing of the hi fiand normal sound signals in the playback mode is supported by the output select function mix left mix right and mix stereo bits OSN OSR and OSL and creates a new fixed output signal of x hi fi plus l2 x normal 6 9 2 INPUT MIX A new complete recording is made on the linear audio track see Fig 4 In the playback mode only the linear audio sound is used In this way the hi fi stereo quality is lost but total freedom in defining the new sound material is an extra advantage Furthermore such recording is no longer restricted to playback on hi fi video recorders with an output mix option Table 5 Dub mix mode Product specification TDA9605H The circuit changes into a mixing desk when using the dub mix mode of the input select function in combination with the volume setting of normal select A new linear audio recording can be created by mixing together the new and the original sound Continuous user control over amplitude and ratio mix of the auxiliary input signal e g a microphone input and the original hi fi playback sound is possible using the left and right channel volume controls This function is realized inside the IC by connecting the auxiliary i
21. select OUTPUT SELECT STEREO HF ENVELOPE MGR837 line output amplification DECL DECR 0 dB 1 dB LINEL L LINER RFCOUT k ENVOUT IJ IU SHA 40 Jeuiduue pe y yim JosseooJd oipny HSO96V0L SJOJONPUODIWAS Sie uoneoroeds jonpoug vl Jdy 6661 TUNL 4 TUNR input select EXTIL Lh ExriR LH Era TE EXT2R LC sAP AUXLL AUXR L TUNL 1 4 TUNR output select a Active standby mode bit STBA 1 bit STBP 0 over 80 power reduction input select CINR gt EXTIL LA ExriR LH MUTE Era TE EXT2R sAP Aux L AUXR L b Passive standby mode bit STBP 1 over 90 power reduction Fig 5 Input and output selections for standby modes decoder select TUNER EXT1 SAP MUTE OUTPUT SELECT line select EXT2 OUTPUT SELECT RF converter AGC MUTE MGR838 line output amplification DECL RFCOUT UU SHA 40J Jeuiduue peau ui JosseooJd oipny HS096VQ L SJOJONPUODIWAS Sie uoneoroeds jonpoug Philips Semiconductors Audio processor with head amplifier for VHS hi fi 6 1 Record mute mode or head identification selection Pin RMHID allows input of two independent digital control signals for selec
22. standard HID control signal frequency of 29 97 Hz for NTSC mode and 25 Hz for PAL mode After auto calibration is completed bit NTSC enables instant switching between the NTSC and PAL system Table 12 System standard selection bit NTSC NTSC MODE DESCRIPTION 0 PAL hi fi circuit in PAL mode 1 NTSC hi fi circuit in NTSC mode note 1 Note 1 Power on reset state 1999 Apr 14 21 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 7 4 5 HEAD AMPLIFIER PLAYBACK AMPLIFICATION Eight settings of playback amplification can be selected for the head amplifier The amplification values are valid for the head signals from pins PBIN1 or PBIN2 to the internal node between the head amplifier and HF AGC circuit The setting of the playback amplification results in a selection of the hi fi detection level auto normal function The hi fi detection level indicated is the RMS value of the left channel carrier signal on pins PBIN1 and PBIN2 The signal at the internal node can be monitored for testing purposes via pin ENVOUT using test 8 of the test mode It should be noted that the output level of test 8 shows 6 dB attenuation compared to the internal node level Table 13 Head amplifier control bits HAC2 HAC1 and HACO in the playback mode AFM HAC2 HAC1 HACO MODE DESCRIPTION 48 dB hi fi detection level equals 13 u V RMS from head 51 dB 54 dB hi fi detection level equals 6 7 uV RMS
23. t care 2 Power on reset state 7 10 Read byte The read byte is used for reading the device state information 1999 Apr 14 Product specification TDA9605H 7 10 1 CALIBRATION READY The completion of calibration is signalled by changing bit CALR from logic 0 to logic 1 Bit CALR remains logic 0 if for some reason a calibration can not be completed i e no HID control signal available or the hi fi processing is in the playback mode Bit CALR will also return to logic O if calibration is lost due to a Power on reset situation Additional information about the calibration result is available via bit CALE Calibration is found correct if bit CALR 1 and bit CALE 0 Pin ENVOUT can also be used to monitor calibration see Section 6 5 Table 35 Calibration ready bit CALR DESCRIPTION not calibrated note 1 1 auto calibration completed Note 1 Power on reset state 7 10 2 AUTO NORMAL SELECTION The auto normal function is activated when no hi fi carrier input signal is detected in the playback mode The auto normal function overrules the settings of the output select function and selects normal sound i e linear audio instead of hi fi The state of the auto normal function can be checked by reading bit AUTN The auto normal function and therefore bit AUTN is only valid in the playback mode Bit AUTN is always logic 0 in the record mode Table 36 Auto normal bit AUTN DESCRIPTION hi f
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25. 6 LINER 17 MUTER 18 DECL 19 DECR 20 LINOUT 21 LININ 22 Fig 2 Pin configuration 6 FUNCTIONAL DESCRIPTION Input and output selections for the various modes are given in the following diagrams e Standard operating mode see Fig 3 e Dub mix mode see Fig 4 e Standby mode active or passive see Fig 5 1999 Apr 14 6 vl dy 6661 TUNLLT input select TUNR volume left CINL CINR h MUTE En 747 to 0 dB EXTIR LI i 0 to 15 dB EXT2L E ZS EXT2R MUTE saP 47 to 0 dB Aux EI 0 to 15 dB AUXRLT i volume right tape PBIN1 RECOUT PBIN2 AUDIO FM PROCESSING normal select INPUT SELECT INPUT LEFT VOLUME VOLUME LEFT SAP TUNER EXT2 MUTE 1 For dub mix mode signal selections see Fig 4 normal input level MUTE 0 to 14 dB LINOUT LININ linear audio processing output select MUTE LEFT RIGHT STEREO NORMAL NORMAL LEFT NORMAL RIGHT NORMAL 3 STEREO HF envelope Fig 3 Input and output selections for standard operating mode decoder select line output TUNER amplification EXT1 SAP MUTE OUTPUT SELECT line select EXT2 OUTPUT SELECT RF converter AGC
26. Apr 14 42 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 15 INTERNAL CIRCUITRY The indicated DC voltages are given for the record mute mode in the typical application circuit without audio signal unless otherwise specified SYMBOL VOLTAGE EQUIVALENT CIRCUIT 73 kQ 3 8 V MGR849 RFCAGC bit RFCM 3 RFCOUT MGR851 bit MUTE or Voc lt 7 V 4 5 V VCCS 0 228kO0 28kQ2 20kQ 6V VCCS 1 bit VCCS Voc Voc L 100 Q bit LOH T IL 16 17 19 20 iind class AB MGR853 1999 Apr 14 43 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H SYMBOL VOLTAGE EQUIVALENT CIRCUIT LINOUT 4 5V 30 kQ 17 7 KQ 3 8 V 7 2000 96 4 KQ 600 uA MGR854 a total 130 kQ bits NIL2 to NILO MGR855 Voc al e bit AFM MGR856 Ss bit AFM MGR857 MGR858 1999 Apr 14 44 Philips Semiconductors Product specification Audio pr
27. GE SELECTION The DC output level on pins LINEL LINER DECL and DECR can be changed by setting bit VCCS to maximize the output power when using a supply voltage of 12 V Automatic frequency calibration by setting the hi fi modem the band pass filter and the noise reduction is performed after a change of bit CALS from logic 0 to logic 1 The use of auto calibration is only needed after power up Power on reset of the supply voltage see Section 6 5 The use of power muting bit MUTE 1 ensures Table 28 Calibration start bit CALS disturbance free switching of the line output signal when setting bit VCCS after power up MODE DESCRIPTION no calibration note 1 Table 29 Vcc supply voltage select bit VCCS 1 start start of the automatic calibration VCCS MODE DESCRIPTION calibration cycle 0 9v line and decoder output DC voltage Note is 4 5 V note 1 1 Power on reset state 1 12V line and decoder output DC voltage is 6 V The output signal on pin ENVOUT or bit CALR calibration Note ready and bit CALE calibration error of the read byte can be monitored to check for completion of the calibration 1 Power on reset state 1999 Apr 14 28 Philips Semiconductors Audio processor with head amplifier for VHS hi fi 7 9 3 TEST MODE Several special tests can be selected for test evaluation and measurement purposes The selection of these tests is made by setting bit HRL and bits NIL3 to NILO Se
28. INTEGRATED CIRCUITS DATA SHEET I BUS TDA9605H Audio processor with head amplifier for VHS hi fi Product specification 1999 Apr 14 File under Integrated Circuits IC02 Philips PHILIPS Semiconductors DH LI p Philips Semiconductors a Audio processor with head amplifier for VHS hi fi Product specification TDA9605H CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING 6 FUNCTIONAL DESCRIPTION 6 1 Record mute mode or head identification selection 6 2 Hi fi audio output level 6 3 Reference current 6 4 Head amplifier 6 4 1 Playback mode 6 4 2 Record mute mode 6 4 3 Record mode 6 4 4 Head amplifier power supply and ground 6 5 Automatic calibration 6 6 Power muting 6 7 Envelope output 6 8 RF converter output 6 9 Audio dubbing 6 9 1 Output mix 6 9 2 Input mix 7 I C BUS PROTOCOL 7 1 Addresses and data bytes 7 2 Valid transmissions to and from the TDA9605H 7 3 Overview of the TDA9605H I C bus control 7 4 Control byte at subaddress 00H 7 4 1 Audio FM mode 7 4 2 Playback mode 7 4 8 Record mode 7 4 4 System standard selection 7 4 5 Head amplifier playback amplification 7 4 6 Head amplifier record current 7 5 Select byte at subaddress 01H 7 5 1 Decoder output select 7 5 2 Head amplifier record current range select 7 5 8 Normal input level 7 6 Input byte at subaddress 02H 7 6 1 Input selec
29. LOPE OUTPUT SELECT Oo 2a a2alo o a olo o o The output signal on pin ENVOUT is selected via the envelope select function In the playback mode the HF envelope displays the amplitude of the left channel carrier Display of the right channel carrier amplitude for special measurement purposes can be selected via test 10 in the test mode Table 23 Envelope output select bit EOS AFM EOS MODE DESCRIPTION x1 0 output select audio peak envelope of selected signal via output select function note 2 0 1 HF envelope HF envelope of the left channel carrier in the playback mode 1 1 stereo envelope audio peak envelope of the hi fi stereo signal in the record mode Notes 1 X don t care 2 Power on reset state 1999 Apr 14 26 Philips Semiconductors Audio processor with head amplifier for VHS hi fi 7 7 4 LINE OUTPUT SELECT An independent selection of the input signals from pins EXT2L and EXT2R to the line outputs on pins LINEL and LINER is offered by the line select function In the active standby mode bit STBA 1 the output select signal is muted However the line select function of the ext2 input signal is still operating In combination with the decoder select function a complete pay TV decoder switching feature is offered via the SCART connector Table 24 Line output select bit LOS MODE output DESCRIPTION line output signal is set by output s
30. PBINtand PBIN2 45 AGC start level peak to peak value control bandwidth playback mode HPD 1 left plus right channel note 1 Left channel band pass filter test 3 output voltage ratio fo 400 kHz fo fo 150 kHz fo 9 9 fo 250 kHz fo fo 150 kHz fo fo 250 kHz fo 150 kHz fo 400 kHz fg z talg ripple group delay fo 150 kHz to f 150 kHz fo 400 kHz fo fo 250 kHz fo 250 kHz fo 150 kHz fo fo 1 150 kHz fo fo 150 kHz f fo 400 kHz fo fo 150 kHz to f 150 kHz l 1999 Apr 14 36 Philips Semiconductors Audio processor with head amplifier for VHS hi fi SYMBOL PARAMETER CONDITIONS Hi fi detector bit AUTN threshold level RMS value Vih rms playback mode HPD 1 left channel carrier Vth acc accuracy of threshold level left channel carrier on pins PBIN1 and PBIN2 carrier to no carrier threshold level with respect to threshold level of bit AUTN switch off delay Head switching noise suppression no carrier to carrier sample and hold time bit SHH 0 sample and hold time bit SHH 1 test 25c note 2 PLL FM demodulator test 25c sensitivity between HID control signal and hold status Afem 150 kHz S N 35 dB total harmonic distortion normal Affm 50 kHz maximum Af
31. QFP HSQFP HSOP HTSSOP SMS not suitable PLCCG SO SOJ suitable LQFP QFP TQFP not recommended 3 4 SSOP TSSOP VSO not recommended Notes 1 All surface mount SMD packages are moisture sensitive Depending upon the moisture content the maximum temperature with respect to time and body size of the package there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them the so called popcorn effect For details refer to the Drypack information in the Data Handbook IC26 Integrated Circuit Packages Section Packing Methods 2 These packages are not suitable for wave soldering as a solder joint between the printed circuit board and heatsink at bottom version can not be achieved and as solder may stick to the heatsink on top version 3 If wave soldering is considered then the package must be placed at a 45 angle to the solder wave direction The package footprint must incorporate solder thieves downstream and at the side corners 4 Wave soldering is only suitable for LQFP TQFP and QFP packages with a pitch e equal to or larger than 0 8 mm it is definitely not suitable for packages with a pitch e equal to or smaller than 0 65 mm 5 Wave soldering is only suitable for SSOP and TSSOP packages with a pitch e equal to or larger than 0 65 mm it is definitely not suitable for packages with a pitch e equal to or smaller than 0 5 mm 1999 Apr 14 50 Philips Semic
32. ad amplifier for VHS hi fi Table 2 Selection of recording modes RM LEVEL ON SIGNAL PIN RMHID RECORD MODE LOW lower than 2 35 V record or record mute mode as defined by I2C bus control HIGH record mute mode higher than 2 65 V 6 4 3 RECORD MODE The record mode is selected by setting bit AFM 1 and setting bits DOC SHH and DETH from logic 001 to 111 and switching the RM control signal to LOW level During the record mode actual recording is activated and the recording current is output on pin RECOUT see Fig 6 Pins PBIN2 and PBIN1 form a connection to the 5 V head amplifier supply voltage Vccu Pin HMSW is internally connected to pin RECOUT and the external capacitor has no function in this mode The desired carrier mix ratio is set via I2C bus control bits DOC SHH and DETH A wide selection of recording currents is available to fit different head and head transformer specifications and are set via bits HAC2 HAC1 HACO and range bit HRL The setting of the carrier mix ratio does not change the selected recording current Product specification TDA9605H The DC bias current on pin RECOUT is changed proportional to the selected recording current for optimizing the performance and minimizing the power consumption for each recording current selected A Boucherot damping circuit is connected between pin HMSW and ground to prevent head current resonance peaking A capacitor of 10 nF and a resistor o
33. ations reflow soldering is often used 17 2 Reflow soldering Reflow soldering requires solder paste a suspension of fine solder particles flux and binding agent to be applied to the printed circuit board by screen printing stencilling or pressure syringe dispensing before package placement Several methods exist for reflowing for example infrared convection heating in a conveyor type oven Throughput times preheating soldering and cooling vary between 100 and 200 seconds depending on heating method Typical reflow peak temperatures range from 215 to 250 C The top surface temperature of the packages should preferable be kept below 230 C 17 3 Wave soldering Conventional single wave soldering is not recommended for surface mount devices SMDs or printed circuit boards with a high component density as solder bridging and non wetting can present major problems To overcome these problems the double wave soldering method was specifically developed 1999 Apr 14 49 Product specification TDA9605H If wave soldering is used the following conditions must be observed for optimal results e Use a double wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave For packages with leads on two sides and a pitch e larger than or equal to 1 27 mm the footprint longitudinal axis is preferred to be parallel to the transport direction of the printed circuit
34. board smaller than 1 27 mm the footprint longitudinal axis must be parallel to the transport direction of the printed circuit board The footprint must incorporate solder thieves at the downstream end For packages with leads on four sides the footprint must be placed at a 45 angle to the transport direction of the printed circuit board The footprint must incorporate solder thieves downstream and at the side corners During placement and before soldering the package must be fixed with a droplet of adhesive The adhesive can be applied by screen printing pin transfer or syringe dispensing The package can be soldered after the adhesive is cured Typical dwell time is 4 seconds at 250 C A mildly activated flux will eliminate the need for removal of corrosive residues in most applications 17 4 Manual soldering Fix the component by first soldering two diagonally opposite end leads Use a low voltage 24 V or less soldering iron applied to the flat part of the lead Contact time must be limited to 10 seconds at up to 300 C When using a dedicated tool all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 C Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 17 5 Suitability of surface mount IC packages for wave and reflow soldering methods SOLDERING METHOD PACKAGE WAVE REFLOW BGA SQFP not suitable HL
35. ctive standby mode by setting bit STBA 1 Most circuits are Switched inactive for reducing power consumption However the RF converter line and decoder outputs remain active in this mode and the direct audio selections offered via the line select function and the decoder select function remain available The selected output signal is muted during the active standby mode STANDBY SELECT The TDA9605H is switched in the minimum power passive standby mode by setting bit STBP 1 All circuits are switched inactive to obtain minimum power consumption except for the power mute circuit the I2C bus and the line input reference buffer i e the DC voltage on pins 1 to 11 remains active When bit STBP 1 adischarge current of 1 mA is active on pins RFCOUT UNEL LINER DECL and DECR Power muting ensures disturbance free switching of the line and RF converter outputs to and from the passive standby mode In the passive standby mode power muting can be de activated again to achieve minimum power consumption The calibration and I C bus registers are not affected in the active standby or passive standby mode Table 34 Standby passive bit STBP and standby active bit STBA note 1 STBP STBA MODE DESCRIPTION operating standard operating mode full function note 2 active standby active standby mode reduced power consumption passive standby passive standby mode minimum power consumption Notes 1 X don
36. e output select function 2 mute test output line output 1 1 1 1 O test26 noise reduction and modem note 4 test 26a right channel FM modulator right carrier only record mode volume setting 3 dB test input line input right test 26b left and right channel audio lowpass filter record mode volume setting 3 dB output select function mute test input line input test output line output test 26c left and right channel noise reduction expander playback mode volume setting 3 dB test input line input note 5 Notes 1 This test can be used with a HIGH level input signal by setting bit HPD 1 test input signal applied to pin HMSW Auto normal is activated bit AUTN 1 during the test i e the playback audio signal is not available The output level on pin ENVOUT shows 6 dB attenuation compared to the internal signal of the head amplifier output mom This test connects internal signal lines between the noise reduction and de modulator circuit The signals found here are not compensated for temperature or tolerance spread and therefore level measurements are only relative Absolute values are not an indication of the overall performance Typical audio level of the test inputs and outputs is approximately 6 5 dBV for the standard 8 dBV line level and 50 kHz FM deviation 5 The expander test requires the auto normal function to be set inactive i e an FM carrier signal should be available 1999
37. e completion of the calibration on pin ENVOUT Calibration relies upon the frequency accuracy of the HID control signal The calibration result may be incorrect when the HID control signal is disturbed during a critical part of the calibration An additional check is incorporated to detect such a situation by reading bit CALE during calibration When bit CALE 1 the calibration result is detected to be unreliable due to external causes A new auto calibration can be started by setting bit CALS 0 followed by setting bit CALS 1 Bit CALE always reads logic 1 when bit CALS is logic 0 The oscillators and band pass filters can be switched between NTSC and PAL system frequencies after a calibration in NTSC or PAL mode without the need of additional calibration Switching between these system modes is executed immediately and can be done in any operating mode The frequency accuracy of system switching is 100 3 kHz for both carriers To obtain the best possible frequency accuracy in the record mode it is good practice to recalibrate after system switching Product specification TDA9605H 6 6 Power muting Switching off and on of the power supply voltage or using the built in passive standby mode results in rising and dropping of the output DC voltages and causes strong disturbances on the output pins The TDA9605H includes three integrated mute switches to block such disturbances so avoiding the need for an external mute circuit Pop fr
38. e Section 14 4 for an overview of the test modes Table 30 Test mode bit TEST TEST MODE DESCRIPTION 0 operating standard operating note 1 mode 1 test mode test mode for special measurements Note 1 Power on reset state 7 9 4 Setting bit PORR 1 ensures a reset of bit POR of the read byte to logic 0 In this way a reading of logic 1 for bit POR always indicates the occurrence of an actual I C bus register Power on reset and can not be caused accidentally by other DC bus control bits Bit PORR has no control function but it is an unused bit dedicated by name to change the I2C bus register content from the Power on reset state POWER ON RESET Bit POR of the read byte is a logic AND function for checking all IC bus register bits Bit POR will read logic 1 when the I C bus register content equals the Power on reset default state and also when this state is set via the I C bus control Since a setting of bit PORR 1 differs from the Power on reset default state it forces a reset of bit POR to logic 0 independent of other bit settings Table 31 Resetting of bit POR bit PORR PORR MODE DESCRIPTION note 1 no reset bit POR reset of bit POR read byte reset Note 1 Power on reset state 1999 Apr 14 Product specification TDA9605H 7 9 5 HEAD AMPLIFIER DISABLE Bit HPD offers a special setting intended for use with some of the built in test modes and for support of particular
39. ee line and RF converter output signals are realized by connecting the integrated power mute switches behind the line and RFC output capacitors Power muting is active when bit MUTE 1 see Fig 8 Power muting is automatically activated when Voc is switched on because this situation is the Power on reset default state The integrated mute switches on pins MUTEC MUTEL and MUTER are closed and form a low impedance path to ground Furthermore the pins RFCOUT LINEL and LINER are current limited to 1 mA to avoid excessive supply currents and to achieve good noise attenuation without the need for a series resistor between the output and mute pins Pins DECL and DECR are also current limited for using the integrated power mute switches or for assisting external muting auto mute Voc 7 V bit STBP I2C bus RFCOUT LINEL LINER output signal with power mute 1 Power on reset Voc bit MUTE I2C bus 0 l l AT NYP YO EEE EEE TOOT S MUTEC MUTEL auto mute MUTER power active passive active power off active power off operation amp standby operation amp standby operation or gt lt gt lt gt 4 tmute tmute tmute tmute tmute MGR843 Fig 8 Examples of power mute control and the auto mute function 1999 Apr 14 13 Philips Semiconductors Audio processor with head amplifier
40. elect note 1 line output signal is from input signal on pins EXT2L and EXT2R select ext2 Note 1 Power on reset state 7 7 5 DECODER OUTPUT SELECT The output signals on pins DECL and DECR can be selected by the decoder select function By setting bit DOS 0 the output signals are selected by the output select function By setting bit DOS 1 an independent selection between the input signals on pins TUNL and TUNR pins EXT1L and EXT1R pin SAP or mute is possible These signals are selected by the decoder select function bits DOS1 and DOS2 In the active standby mode bit STBA 1 the output select signal is muted However the decoder select function is still operating In combination with the line select function a complete pay TV decoder switching feature is offered via the SCART connector Table 25 Decoder output select bit DOS MODE output DESCRIPTION decoder output signal is set by the output select function note 1 decoder output signal is set by the decoder select function select decoder select Note 1 Power on reset state 1999 Apr 14 27 Product specification TDA9605H 7 7 6 RF CONVERTER MUTE The RF converter output signal on pin RFCOUT can be muted by setting bit RFCM 1 In this mute mode the AGC capacitor on pin RFCAGC is discharged and the AGC control is reset Table 26 RF converter mute bit RFCM DESCRIPTION RF converter output signal is se
41. ence current resistor on pin 28 are es R 39kQ 296 e Temperature coefficient 50 ppm C 1999 Apr 14 40 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 14 3 Setting line output level The audio level can be set by selecting the external filter components connected to the emphasis noise reduction pins 24 and 32 pins EMPHL and EMPHR Table 40 Component values for setting the line output level RESISTOR CONNECTED RESISTOR IN SERIES WITH CAPACITOR CONNECTED BETWEEN BETWEEN PINS 24 AND 23 PINS 32 AND 33 PIN 24 AND GROUND PIN 32 AND GROUND 47 KQ 47 KQ 3 9 kQ 4 7 nF 3 9 kQ 4 7 nF 5 7 dBV 43 KQ 43 KQ 3 6 kQ 5 1 nF 3 6 kQ 5 1 nF 6 4 dBV 39 kQ 39 kQ 3 3 kQ 5 6 nF 3 3 KQ 5 6 nF 7 2 dBV 36 kQ 36 kQ 3 0 kQ 6 2 nF 3 0 kQ 6 2 nF 33 ko 33 kQ 2 7 KQ 2 7 KQ 6 8 nF 8 8 dBV 30 kQ 30 kQ 2 4 kQ 7 5 nF 2 4 KQ 7 5 nF 9 6 dBV 27 kQ 27 KQ 2 2 kQ 2 2 KQ 8 2 nF 10 6 dBV 24 KQ 24 KQ 2 0 kQ 9 1 nF 2 0 kQ 9 1 nF 11 4 dBV 22 KQ 22 KQ 1 8 KQ 10 nF 1 8 KQ 10 nF Note 1 Standard 50 kHz FM deviation at f 1 kHz 14 4 Test modes Special test modes are implemented for testing evaluation and measurement purposes These test modes are available when bit TEST 1 and the test select function is enabled via five bits of the select byte see Table 41 When selecting test modes the normal input level setting is changed as defined by bits NIL3 to NILO Ca
42. f 470 Q are specified in Fig 14 but the component values are not critical 6 4 4 HEAD AMPLIFIER POWER SUPPLY AND GROUND The head amplifier is supplied via a separate 5 V supply pin Vccu and ground pin GNDH A capacitor of 100 nF should be placed close to the device between pins Vccu and GNDH for proper decoupling of the power supply The head amplifier ground pin GNDH should be connected to the main ground pin GND PBIN2 35 AH2 3 d DH RECOUT 36 35 kQ GNDH GNDH TDA9605H a Playback mode and record mute mode AH2 3 E RECOUT 36 dei Se qe PBIN1 37 T 5 Q GNDH TDA9605H MGR841 b Record mode Fig 6 Simplified circuit diagrams of the head amplifier modes 1999 Apr 14 11 Philips Semiconductors Audio processor with head amplifier for VHS hi fi 6 5 Automatic calibration The integrated auto calibration system is activated by means of bit CALS of the power byte see Fig 7 The auto calibration system ensures hi fi processing is well in accordance with the VHS hi fi system standard by an automated adjustment of carrier frequencies band pass filters and noise reduction filters Calibration is only needed after start up of the video recorder The calibration settings remain stable as long as the supply voltage Vcc is present Auto calibration is
43. f the test mode also enables the HF envelope output of the right channel carrier amplitude 1 7 or 1 8 MHz carrier The advised carrier playback level of 24 mV RMS equals an HF envelope voltage of 3 3 V The head amplifier output signal can be monitored directly by using test 8 of the test mode Pin ENVOUT functions as the test output showing 6 dB attenuation compared to the actual head amplifier output level see Section 14 4 Table 1 Selection of the head signal HID SELECTION OF SIGNAL HEVELDICPISERMEID HEAD SIGNAL LOW lower than 0 6 V or pin PBIN2 between 2 65 and 3 8 V head 2 HIGH between 1 0 and 2 35 V pin PBIN1 or higher than 4 3 V head 1 6 4 2 RECORD MUTE MODE The record mute mode is selected by setting bit AFM 1 and either setting bits DOC SHH and DETH to logic 0 or switching the RM control signal to HIGH level During the record mute mode no recording current is present on pin RECOUT see Fig 6 The head amplifier status actually equals the playback mode however the second amplifier stage is disabled to minimize power consumption The RM control signal on pin RMHID enables fast switching between the record and record mute modes see Table 2 If the I2C bus control is set to the record mode the use of record mute mode control via pin RM allows for accurate timing of recording start and stop independent of the I2C bus control see Section 6 1 Philips Semiconductors Audio processor with he
44. gy 150 kHz O ct ch signal to noise ratio channel crosstalk Afem 50 to 0 kHz left or right carrier Afgy 0 kHz Noise reduction test 26c Vn noise level tuner input signal level at e dBV note 3 total harmonic distortion Olin linearity tuner input signal level at 6 5 dBV tuner input signal level from 6 5 to 36 5 dBV Qres f1 frequency response 300 Hz frequency response 10 kHz 1999 Apr 14 tuner input frequency from 300 to 1000 Hz tuner input frequency from 10 to 1 kHz 37 Product specification TDA9605H Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H SYMBOL PARAMETER CONDITIONS Envelope output pin ENVOUT output voltage left channel input signal at 1 6 mV RMS 16 mV RMS 160 mV RMS FM demodulator and noise reduction pins LINEL and LINER Vo output voltage 10 8 6 dBV Ocb channel balance 1 5 0 41 5 dB Notes 1 Amplitude modulated single carrier signal of 60 mV RMS on pin HMSW for playback mode HPD 1 Control bandwidth is defined as the modulation frequency at which the amplitude modulation is attenuated with 3 dB by the HF AGC 2 Sample and hold audio distortion is measured using a HID control signal of 500 Hz on pin RMHID fmog 10 kHz and Afem 50 kHz Audio distortion is measured using a 3 kHz 4th order low pass filter The measured value is corrected with
45. i carrier available audio FM signal is detected from tape in playback mode note 1 normal sound selected instead of hi fi carrier no audio FM signal is detected from tape Note 1 Power on reset state Philips Semiconductors Audio processor with head amplifier for VHS hi fi 7 10 3 CALIBRATION ERROR An unreliable calibration result is indicated when reading bit CALE 1 The calibration result is not reliable when during calibration the control signal on pin RMHID is disturbed due to an external cause Such a disturbance of the HID control signal is detected when reading bit CALE 1 A new calibration should be started to ensure proper calibration Calibration is found correct when bit CALR 1 and bit CALE 0 Table 37 Calibration error bit CALE DESCRIPTION not calibrated or calibration result is found correct note 1 1 calibration error encountered during calibration Note 1 Power on reset state 7 10 4 POWER ON RESET An internal Power on reset signal is generated at power up or during a power voltage dip The I C bus data bits and auto calibration registers are reset toa pre defined state When reading bit POR 1 it indicates that the internal data bits are found to be in the POR state due to an actual Power on reset or the 1 C bus control settings 1999 Apr 14 Product specification TDA9605H Detecting the occurrence of a Power on reset by reading bit POR requires a setting
46. i fi TDA9605H 1 FEATURES gt All functions controlled via the serial 2 wire I2C bus Integrated standby modes for low power consumption Audio FM head amplifier BLIS Programmable recording current Programmable playback amplification 2 GENERAL DESCRIPTION Fast record mute mode control input The TDA9605H is a single chip device in a small package Hi fi signal processing that contains all the required functions including the head amplifier to realize the audio FM hi fi stereo system in a SEET VHS video recorder see Fig 1 The device is adjustment High performance free by use of an integrated auto calibration system Low distortion switching noise suppressor Extensive signal select functions are offered to support NTSC and PAL SECAM system pay TV decoding and video recorder feature modes e Linear audio input The high performance and functionality of the TDA9605H comprises world wide system and application requirements for NTSC PAL SECAM and multi standard 5 stereo inputs and additional mono Second Audio video recorders from basic up to high end models Program SAP input Programmable playback level 2 stereo outputs line and decoder with independent output select function RF converter output with overload protection AGC Integrated output power muting Audio level meter output Extensive input and output select function Full su
47. ion Audio processor with head amplifier for VHS hi fi TDA9605H 16 PACKAGE OUTLINE QFP44 plastic quad flat package 44 leads lead length 1 3 mm body 10 x 10 x 1 75 mm SOT307 2 34 HHA dHHEHHB Or pin 1 index detail X a he D Hp 4 A DIMENSIONS mm are the original dimensions A max UNIT Ay As bp e mm 2 10 ep 0 25 Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included OUTLINE REFERENCES EUROPEAN VERSION JEDEC EIAJ PROJECTION SOT307 2 E 97 08 01 ISSUE DATE 1999 Apr 14 48 Philips Semiconductors Audio processor with head amplifier for VHS hi fi 17 SOLDERING 17 1 Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology A more in depth account of soldering ICs can be found in our Data Handbook IC26 Integrated Circuit Packages document order number 9398 652 90011 There is no soldering method that is ideal for all surface mount IC packages Wave soldering is not always suitable for surface mount ICs or for printed circuit boards with high population densities In these situ
48. ion to an external linear audio circuit Table 19 Normal select bits NS2 NS1 and NSO DESCRIPTION input select left plus right channel signal selected by input select volume left plus right channel signal including hi fi volume control selected by input select input left left channel only language 1 selected by input select volume left left channel only language 1 including hi fi volume control selected by input select ext2 external input signals from pins EXT2L and EXT2R mute mute of the input signals note 1 Note 1 Power on reset state 7 7 Output byte at subaddress 03H The output byte is used for selecting and controlling the output 7 7 1 LINE OUTPUT AMPLIFICATION An additional 1 dB amplification for the line and decoder outputs on pins LINEL LINER DECL and DECR can be selected by the line output high function Table 20 Line output high bit LOH 0 0 dB no line output amplification note 1 1 1dB 1 dB line output amplification Note 1 Power on reset state 7 7 2 OUTPUT SELECT The auto normal function is activated when no hi fi signal is found on tape in the playback mode Except for the mute mode all output select function modes will be overruled and changed to normal Control of normal input level should be set to mute for muting the hi fi sound The state of the auto normal function can be monitored by reading bit AUTN of the read byte 1999 Apr 14 25 Philips Semico
49. lect bits DOS1 and DOSO DOS1 DOSO MODE DESCRIPTION 0 0 tuner selection of input signal on pins TUNL and TUNR note 1 1 selection of input signal on pins EXT1L and EXT1R 1 1 mute muting the input signal Note 1 Power on reset state 7 5 2 HEAD AMPLIFIER RECORD CURRENT RANGE SELECT The default selection of eight recording currents set by bits HAC2 HAC1 and HACO of the control byte is extended with four additional low level recording currents by setting bit HRL 1 Table 16 Head E E record low current bit HRL Ls current selection of 8 medium and high level recording currents note 1 low current selection of 4 low level recording currents Note 1 Power on reset state 1999 Apr 14 23 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 7 5 3 NORMAL INPUT LEVEL Fifteen settings of amplification and mute can be selected for the linear audio input signal on pin LININ The normal input level control can replace the manual adjustment of the playback level at the linear audio circuit All selections using the normal linear audio signal include the normal input level control Table 17 Normal input level bits NIL3 to NILO NIL2 NIL1 NILO MODE DESCRIPTION 0 0 0 0 dB amplification of linear audio of 0 dB note 1 0 1 1 dB amplification of linear audio of 1 dB 0 1 13 dB amplification of linear audio of 13 dB 1 0 14 dB amplification of linear audio of 14 dB
50. libration may be lost when a not listed test mode is selected 1999 Apr 14 41 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H Table 41 Test modes for evaluation and measurement purposes TEST HRL NIL3 NIL2 NIL1 NILO MODE DESCRIPTION test 1 record mode left channel FM carrier only 1 3 or 1 4 MHz test2 record mode right channel FM carrier only 1 7 or 1 8 MHz playback mode left channel band pass filter with HF AGC off EOS 1 test output on pin ENVOUT notes 1 and 2 playback mode right channel band pass filter with HF AGC off EOS 1 test output on pin ENVOUT notes 1 and 2 playback mode HF AGC left channel band pass filter EOS 1 test output on pin ENVOUT notes 1 and 2 playback mode HF AGC right channel band pass filter EOS 1 test output on pin ENVOUT notes 1 and 2 playback mode head amplifier output signal EOS 1 test output on pin ENVOUT notes 2 and 3 test 10 playback mode HF envelope of right channel carrier EOS 1 test output on pin ENVOUT noise reduction and modem note 4 test 25a left channel FM modulator left carrier only record mode volume setting 3 dB test input line input left test 25b left and right noise reduction compressor record mode output select function mute test output line output test 25c left and right channel FM demodulator playback mod
51. mal normal mix left normal mute hi fi left aux stereo aux stereo mix right normal mix stereo normal aux stereo hi fi right hi fi stereo aux stereo 1999 Apr 14 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 7 PC BUS PROTOCOL 7 1 Addresses and data bytes Full control of the TDA9605H is accomplished via the 2 wire I2C bus Bus speeds up to 400 kbits s can be used in accordance with the I2C bus fast mode specification Seven data byte registers are available for programming the device write mode and one data byte register is available for reading data from the device read mode The registers are addressable via eight subaddresses Automatic subaddress incrementing enables writing of successive data bytes in one transmission During power up the data byte registers and auto calibration registers are reset to a default state by the use of a Power On Reset POR circuit The reset signal is derived from an internally generated voltage supplied by Vcc Table 6 Addresses and POR state bits NAME ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 Write mode Slave byte B8H 1 0 0 0 Subaddress byte 00H to 07H note 1 Control byte subaddress 00H AFM DOC DETH NTSC HAC2 HAC1 HACO EON RM Select byte subaddress 01H DOS1 DOSO HRL NIL3 NIL2 NIL1 NILO ISO 1 0 1 NS2 NS1 NSO iO Input byte subaddress 02H POR state Output
52. nce currents and determines the temperature stability of circuits adjusted by the auto calibration function 6 4 Headamplifier 6 4 1 PLAYBACK MODE The playback mode is selected by setting bit AFM 0 During the playback mode the input circuit on pins PBIN2 and PBIN1 is enabled see Fig 6 Pin RECOUT is disabled and pin HMSW shows a low impedance to ground so realizing an AC ground for the head circuit via the external capacitor connected between these pins The head identification HID signal on pin RMHID selects between the head signals on pins PBIN2 or PBIN1 Head selection is defined as shown in Table 1 1999 Apr 14 Product specification TDA9605H The state of the RM control signal on pin RMHID is don t care in the playback mode I C bus control bits HAC2 HAC1 and HACO offer a wide selection of playback amplification to fit different head and head transformer specifications The advised setting of the playback amplification realizes a level of 24 mV RMS for each carrier signal after the head amplifier to obtain a 17 dB overhead compared to the auto normal level hi fi detection However performance is not critical and a different setting can be used if desired The carrier level can be measured using the HF envelope output voltage on pin ENVOUT bit EOS 1 During standard operating mode the HF envelope signal is derived from the left channel carrier amplitude 1 3 or 1 4 MHz carrier but the special test 10 o
53. nductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H Table 21 Output select normal right and left bits OSN OSR and OSL OSN OSR OSL MODE DESCRIPTION 0 mute mute no selection note 1 EENEN left hi fi channel selected language 1 1 0 right right hi fi channel selected language 2 0 normal normal signal selected linear audio from pin LININ 4 ee mix of hi fi left with normal 1 2 x left 5 x normal 1 0 mix right mix of hi fi right with normal 1 2 x right 1 2 x normal He mix of hi fi stereo with normal L x stereo L x normal Note 1 Power on reset state In case the dub mix mode is selected via the input select function the performance of mix left mix right and mix stereo modes is changed to support audio dubbing input mixing The hi fi channel is available for the input select function and normal sound is available at the output for monitoring the linear audio recording The auto normal state is ignored during the dub mix mode and the hi fi playback signal is muted instead Table 22 Dub mix mode bits OSN OSR and OSL OSN OSR OSL MODE OUTPUT IN DUB MIX MODE INPUT IN DUB MIX MODE mute left channel left channel 0 right right channel right channel H HMM ER stereo signal V x left Yo x right 0 normal normal signal mute a a normal signal left channel 0 mix right normal signal right channel E E normal signal V x left Yo x right 7 7 3 ENVE
54. nput signal pair pins AUXL and AUXR to the left channel volume control and the hi fi output signal pair to the right channel volume control The settings of the output select function are used to arrange the hi fi selection and the output signals in the dub mix mode However some of these settings are overruled in the dub mix mode The normal signal is available on the line outputs for monitoring the dub mix recording signals in the output select function modes mix left mix right and mix stereo Mix stereo of the output select function is generally used for audio dubbing In combination with the volume setting of normal select user control over amplitude and ratio is offered for the auxiliary and the hi fi signal as follows V4 x aux left 1 4 x aux right x volume left plus Y x hi fi left 1 4 x hi fi right x volume right The dub mix mode is to be used in the hi fi playback mode In the record mode a signal loop from output to input can be closed which may cause audio oscillation The auto normal switching is not active during the dub mix mode The hi fi sound is muted when no hi fi input signal is detected bit AUTN is not affected OUTPUT SELECT MODE DUB MIX OUTPUT SELECTION DUB MIX INPUT LEFT CHANNEL RIGHT CHANNEL aux stereo mute mute mute hi fi left hi fi left aux stereo hi fi left hi fi right hi fi right aux stereo hi fi right hi fi stereo hi fi stereo aux stereo hi fi stereo nor
55. ntrol signal is at HIGH level Jitter on the HID control signal should not exceed 1 us to realize EP optimization within 2 kHz for NTSC In general the crystal based HID control signal available in the video recorder can be used without modification When the calibration of the oscillators is completed the band pass filters are calibrated The integrated weighting and FM de emphasis filters of the noise reduction are calibrated at the same time The total auto calibration time needed is maximum 17 cycles of the HID control signal Completion of the calibration is signalled by bit CALR 1 of the read byte The calibration can also be monitored by means of the envelope output For this purpose the voltage on pin ENVOUT is forced to 22 5 V during the calibration The audio signal to the audio envelope function level meter should be muted i e output select mute I2C bus write bit CALS 7 logic 0 logic 1 RMHD input left channel oscillator Jas s S DS TET RS E RE a SE right channel oscillator CHO A band pass and C noise reduction filters ENVOUT output 3V logic 0 logic 1 I2C bus read bit CALR calibration ready MGR842 Fig 7 Example of automatic calibration flow 1999 Apr 14 Philips Semiconductors Audio processor with head amplifier for VHS hi fi Otherwise the audio envelope output voltage may become gt 2 5 V which makes it impossible to detect th
56. ocessor with head amplifier for VHS hi fi TDA9605H SYMBOL VOLTAGE EQUIVALENT CIRCUIT DETL 0 7 V e Voc 7 5 kQ A 0 5 V MGR859 Gi substrate MGR860 3 8 V from reference generator 3 8 a V Le bit STBA te bit STBP 3 8 V sl MGR861 9 to 12 V A MGR862 1999 Apr 14 45 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H SYMBOL VOLTAGE EQUIVALENT CIRCUIT PBIN2 0 7 V RECOUT 4 3 V recording playback or signal RM record mute PBIN1 o lt mode bit AFM OV bit DOC bit SHH 4 3 V recording bit DETH MGR863 o to HF AGC ES MGR864 40 V 5V CCH 9 1 VCCH MGR865 1999 Apr 14 46 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H SYMBOL VOLTAGE EQUIVALENT CIRCUIT RMHID 0to5V signal HID signal RM MGR866 bit ACK I2C bus acknowledge MGR867 d MGR868 ENVOUT test modes 1 M MGR869 1999 Apr 14 47 Philips Semiconductors Product specificat
57. of bit PORR 1 after power up Bit POR is forced to logic 0 only by setting bit PORR 1 so this setting is independent of other I C bus bit settings After calibration a Power on reset occurrence is also indicated by bit CALR 0 because calibration will be lost Table 38 Power on reset bit POR POR DESCRIPTION I C bus bit state differs from the Power on reset state I C bus bit state equals the Power on reset state note 1 Note 1 Power on reset state Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System IEC 134 SYMBOL PARAMETER CONDITIONS MAX UNIT Voc supply voltage 13 2 EE Tstg SE Temperature 150 er es Be BE SS electrostatic handling voltage machine model 300 300 m human body model liu prot latch up protection current on j pin HSMW 100 pin SDA 100 all other pins 100 100 9 THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT Rih a thermal resistance from junction to ambient in free air 60 K W 10 GENERAL CHARACTERISTICS omg Parameter conomons mn TVR wax Voc supply voltage VCCS 0 VCCS 1 head amplifier supply voltage supply current standard operating mode active standby STBA 1 passive standby STBP 1 head amplifier supply current playback mode record mute mode record
58. onductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 18 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development Preliminary specification This data sheet contains preliminary data supplementary data may be published later Product specification This data sheet contains final product specifications Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System IEC 134 Stress above one or more of the limiting values may cause permanent damage to the device These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied Exposure to limiting values for extended periods may affect device reliability Application information Where application information is given it is advisory and does not form part of the specification 19 LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale 20 PURCHASE OF PHILIPS DC COMPONENTS
59. only executed in the record mute mode or record mode and no standby mode or test mode should be selected i e auto calibration requires the setting of bit AFM 1 bit STBP 0 bit STBA 0 and bit TEST 0 Auto calibration is started after setting bit CALS 1 Calibration is performed fully automatically using the HID control signal as a time reference Audio signals are not disturbed during the calibration process Calibration of the oscillator frequencies is performed by measuring the number of oscillator cycles within one period when the HID control signal is at HIGH level and comparing this result with an internal value stored in the Read Only Memory ROM Four different ROM values are available for NTSC or PAL SECAM system calibration of both the left and right channel carrier In case of NTSC a special routine is active for the calibration of the right channel carrier which results in a Product specification TDA9605H frequency difference between the left and right channel carrier near to 401 2 kHz This value effectively reduces the crosstalk from hi fi carriers to video colour signal as present during Extended Play EP tape speed NTSC calibration uses a standard HID control signal of 29 97 Hz pulse width 16 683 ms where PAL calibration uses a standard HID control signal of 25 Hz pulse width 20 ms After auto calibration the maximum frequency error is 5 kHz assuming a time error of maximum of 5 us when the HID co
60. pport of video recorder feature modes 3 ORDERING INFORMATION TYPE PACKAGE NUMBER DESCRIPTION VERSION TDA9605H plastic quad flat package 44 leads lead length 1 3 mm SOT307 2 body 10 x 10 x 1 75 mm 1999 Apr 14 3 vL iv 6661 RECOUT HMSW SAP TUNL TUNR CINL CINR EXT1L EXTIR EXT2L EXT2R AUXL AUXR RMHID 41 DCL x RM HD DCR HID HF AGC Le playback head 1 3 or 1 4 M amplification ENVOUT SDA SCL 42 envelope output CH select playback mm PC BUS DETECTOR INTERFACE AUTN DROPOUT iL CANCELING LEVEL SCH DETECTOR NOISE HF LIMITER PLL SUPPRESSION cco Hz 1 3 or 1 4 MHz AUDIO record head S playback record mute recording SAP o o m pe a D D m N bs o m N D T input select a current carrier ratio select record mute 1 7 or 1 8 M CLIPPER LEVEL DETECTOR Voc GND Vref Jet SUPPLY T standby select NOISE REDUCTION DETECTOR DETL 5th ORDER d row AUDIO LPF W FM RECTIFIER DCL EXER EMPHL COMPRESSOR CCA HF LIMITER Hz NOISE SUPPRESSION HEAD AMPLIFIER FM DE MODULATOR volume left AUDIO CLIPPER HF LFP AUTN output select n p D volume right envelope output 1 0 CONTROL select
61. rt auto tracking or manual tracking However test 10 of the special test mode allows for the right channel carrier level output instead for measurement purposes see Section 14 4 The AF envelope output as a function of the output level is given in Fig 12 The AF envelope circuit uses time multiplexing for the left and right channel audio level A peak hold function and dynamic range compression square root function are included for easy read out The peak hold function and the left and right channel multiplexing are controlled by the HID control signal on pin RMHID see Table 4 FUNCTION 0 Playback 0 AF envelope via output select level meter display Record 1 HF envelope auto tracking or manual tracking display 0 AF envelope via output select level meter display AF envelope hi fi stereo record volume control and level display Table 4 AF envelope output with channel multiplexing HID SIGNAL LEVEL ON PIN RMHID AF ENVELOPE OUTPUT LOW HIGH lower than 0 6 V or between 2 65 and 3 8 V between 1 0 and 2 35 V or higher than 4 3 V left channel audio peak level right channel audio peak level 1999 Apr 14 14 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H left channel audio RM RMHID registers HID period ENVOUT level meter display SAMPLE output selec
62. s 545004 750 01 pp52 Philips Semiconductors Date of release 1999 Apr 14 Document order number 9397 750 04687 elt make things beter S PHILIPS
63. t FULL WAVE SQUARE ROOT RESET SAMPLE i f RECTIFIER COMPRESSION PEAK HOLD nn 9 AND HOLD right channel audio SANBLE E ENVOUT output select gt _ FULL WAVE SQUARE ROOT RESET t AE gt hi fi RECTIFIER COMPRESSION PEAK HOLD SAMPLES envelope 4S AND HOLD EOS AFM EOS AFM HF 1 3 or 1 4 MHz carrier HF LEVEL DETECTOR envelope so 1 7 or 1 8 MHz carrier HF LEVEL DETECTOR lt gt test 10 MGR845 Fig 9 Functional diagram of the envelope output circuit 12C bus EOS 1 and EOS 0 or AFM 1 AFM 0 HID signal peak right in period 1 peak right in period 0 peak right in period 1 peak right peak left HF envelope peak left peak left in period 2 in period 3 in period 0 in period 1 peak left in period 2 bbs odia left period 0 left period 1 left period 2 DE right period 0 right period 1 right period 2 MGR844 Fig 10 Timing diagram of the envelope output signal 1999 Apr 14 15 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H MGR846 5 ENVOUT output voltage V 0 1071 1 10 amplifier and HF AGC 10 103 left channel carrier amplitude RMS value mV 1 3 MHz NTSO or 1 4 MHz PAL at internal node between head
64. t 7 6 2 Normal select 7 7 Output byte at subaddress 03H 7 7 1 Line output amplification 7 7 2 Output select 7 7 8 Envelope output select 7 7 4 Line output select 7 7 5 Decoder output select 7 7 6 RF converter mute 1999 Apr 14 7 8 1 7 9 7 9 1 7 9 2 7 9 3 7 9 4 7 9 5 7 9 6 7 9 7 7 10 7 10 1 7 10 2 7 10 3 7 10 4 10 11 12 13 14 14 1 14 2 14 8 14 4 15 16 17 17 1 17 2 17 3 17 4 17 5 18 19 Volume bytes at subaddresses 04H 05H and 06H Left and right volume control Power byte at subaddress 07H Calibration start DC output voltage selection Test mode Power on reset Head amplifier disable Power muting Standby select Read byte Calibration ready Auto normal selection Calibration error Power on reset LIMITING VALUES THERMAL CHARACTERISTICS GENERAL CHARACTERISTICS RECORD MUTE MODE CHARACTERISTICS RECORD MODE CHARACTERISTICS PLAYBACK MODE CHARACTERISTICS APPLICATION AND TEST INFORMATION RM and HID control signals Reference current resistor Setting line output level Test modes INTERNAL CIRCUITRY PACKAGE OUTLINE SOLDERING Introduction to soldering surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of surface mount IC packages for wave and reflow soldering methods DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS GC COMPONENTS Philips Semiconductors Product specification Audio processor with head amplifier for VHS h
65. t by MODE the output select function AGC active RF converter output signal is muted and AGC control is reset note 1 mute Note 1 Power on reset state 7 8 Volume bytes at subaddresses 04H 05H and 06H The volume bytes are used to set left and right channel volume control 7 8 1 Left and right volume control Left channel volume control can be set by using subaddress 04H Right channel volume control can be set by using subaddress 05H Left and right channel volume control can be set simultaneous by using subaddress 06H Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H Table 27 Volume left sign bit VLS volume left bits VL5 to VLO volume right sign bit VRS and volume right bits VR5 to VRO note 1 DESCRIPTION volume 0 dB 1 dB volume 1 dB 2dB volume 2 dB 46 dB volume 46 dB mute mute 0 dB volume 0 dB note 2 1dB volume 1 dB 2 dB volume 2 dB 0 14 dB volume 14 dB 1 15 dB volume 15 dB Notes 1 X don t care 2 Power on reset state 7 9 X Power byte at subaddress 07H The combination of bit CALR 1 and bit CALE 0 indicates a successful calibration Bit CALS should remain at logic 1 after the calibration to keep a reliable state of bit CALR and bit CALE The power byte is used for power up settings and the standby control mode KS GALIBRATION START 7 9 2 DC OUTPUT VOLTA
66. t exceed 1 V during 10 ms The best performance independent of voltage drop rate is realized by activating the passive standby mode before switching off the power supply voltage by setting bit MUTE 1 and bit STBP 1 Table 3 Selection of the envelope output MODE BIT AFM BIT EOS ENVELOPE OUTPUT Product specification TDA9605H 6 7 Envelope output Pin ENVOUT is an analog output for stereo audio level e g level meter display and for playback FM carrier level e g auto tracking The functional diagram is given in Fig 9 and the timing diagram is shown in Fig 10 Only one ADC input is needed on the microcontroller for reading all the required information During the playback mode the selection between audio level and carrier level information is realized by setting I2C bus control bit EOS see Table 3 The AF envelope output is defined by the signal selection made at the output select During the record mode bit EOS offers the selection between the audio level of the output select or the audio level of the fixed hi fi stereo signal This is a helpful setting when the microcontroller uses the audio level information to adjust the hi fi recording level volume control The HF envelope output signal is continuous and is derived from the left channel carrier The HF envelope output exhibits a logarithmic characteristic see Fig 11 In astandard application circuit only the left channel carrier level is required to suppo
67. t zero level e dBV at zero level dBV and maximum volume 15 dB Och channel balance Notes 1 THD 1 output load with D 5 KQ and C 2 2 nF volume 3 dB for Voc 12 V and tuner input level varied 2 B 20 Hz to 20 kHz unweighted 3 Crosstalk of any line input pair tuner CINCH ext1 ext2 aux and SAP to any other line input 1999 Apr 14 34 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 12 RECORD MODE CHARACTERISTICS Voc 12 V Tamb 25 C tuner audio input level 8 dBV at f 1 kHz auto calibrated measured in typical application circuit of Fig 14 unless otherwise specified SYMBOL PARAMETER CONDITIONS Noise reduction test 25b total harmonic distortion tuner input signal at normal level 8 dBV high level 8 dBV channel balance linearity tuner input signal at low level 68 to 8 dBV high level 8 to 8 dBV noise level with respect to tuner input signal level signal level from ee to 8 dBV note 1 attack time in accordance with VHS specification trec recovery time in accordance with VHS specification Qres f1 frequency response 300 Hz tuner input frequency from 300 to 1000 Hz Ores f2 C res Ipft audio low pass filter tuner input frequency from response 20 kHz 20 to 1 kHz test 26b O res Ipf2 audio low pass filter tuner input frequency from response 60 kHz 60 to 1 kHz test 26b
68. te 0 dB AGC and mute RFCM Volume left 47 to 0 dB mute and 0 to 15 dB VLS and VL5 to VLO Volume right 47 to 0 dB mute and 0 to 15 dB VRS and VR5 to VRO Auto calibration off and start calibration CALS Supply voltage select 9 V and 12 V VCCS Test standard operating mode and test mode TEST HRL NIL3 NIL2 NIL1 and NILO 1999 Apr 14 19 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H FUNCTION MODES CONTROL BITS Playback head amplifier disable standard operating mode and playback disabled Power output muting power mute MUTE Operating mode standard operating mode active standby STBP and STBA and passive standby 7 4 Control byte at subaddress 00H The control byte is used to set the parameters of hi fi processing and head amplifier control 7 4 1 AUDIO FM MODE Bit AFM controls the main mode of the hi fi processing and head amplifier The function of other bits of the control byte and bit EOS of the output byte depends on the state of bit AFM Table 9 Audio FM mode selection bit AFM AFM MODE DESCRIPTION O playback hi fi processing in playback mode and head amplifier in playback mode 1 record hi fi processing in record mode and head amplifier is in record mode or record mute mode 7 4 2 PLAYBACK MODE When during the playback mode no FM carrier is detected from tape the normal audio signal on pin LININ is
69. ting the record mute or head identification modes which are voltage coded The RM control signal is selected via a 10 kQ resistor and the HID control signal is selected via a 18 kQ resistor This set up enables the two signals within the TDA9605H to be separated The RM control signal is only in use during the record mode bit AFM 1 during the playback mode bit AFM 0 the RM signal is ignored Pin RMHID should be connected to ground when the RM control signal is not used The use of the RM control signal is optional since the same function is available via the I2C bus control in the record mute mode However accurate timing of recording start and stop may sometimes be difficult to realize via the I C bus control In this event the RM control signal can be used instead There is also the possibility to use the record mute mode control line of the video head amplifier 6 2 Hi fi audio output level When the application circuit is used in accordance with the application diagram the standard FM deviation of 50 kHz equals a 1 kHz audio signal of 8 dBV line output level bit LOH 0 A different standard audio level can be selected by changing the external filter components of the noise reduction on pins EMPHL and EMPHR see Section 14 3 The standard audio level changes proportionally to the impedance of the external de emphasis filter 6 3 Reference current The external resistor connected to pin Le defines the internal refere
70. ut linear audio input DC feedback noise reduction connection left 1999 Apr 14 emphasis noise reduction connection left zeg pw aescmemon DCL 25 DC decoupling noise reduction connection left DETL 26 detector noise reduction connection left GND 27 ground Jet 28 reference standard current connection Vref 29 reference voltage connection DETR 30 detector noise reduction connection right DCR 31 DC decoupling noise reduction connection right EMPHR 32 emphasis noise reduction connection right DCFBR 33 DC feedback noise reduction connection right Vec 34 power supply PBIN2 35 head 2 playback input RECOUT 36 recording current output PBIN1 37 head 1 playback input HMSW 38 head amplifier mode switch connection GNDH 39 ground of head amplifier power supply of head amplifier RMHID 41 record mute mode or head identification input SDA 42 I C bus data input output SCL 43 I C bus clock input ENVOUT HF or AF envelope output Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H 44 ENVOUT 43 SCL 42 SDA 41 RMHID 40 VccH 39 GNDH 38 HMSW 37 PBIN1 36 RECOUT 35 PBIN2 34 Voc DCFBR TUNL EMPHR TUNR DCR CINL DETR CINR Vref SES TDA9605H Ire EXTIR GND ExT2L 8 DETL EXT2R 9 DCL AUXL EMPHL AUXR DCFBL MGR835 RFCAGC 12 RFCOUT 13 MUTEC 14 MUTEL 15 UNEL 1
71. utput voltage maximum output voltage output 1 dB LOH 1 Voc 9 V note 1 Voc 12 V note 1 discharge output current output current limiting lo max passive standby STBP 1 power mute MUTE 1 Ro THD output impedance total harmonic distortion 1999 Apr 14 33 Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi fi TDA9605H SYMBOL PARAMETER CONDITIONS channel balance noise level tuner input signal at zero level eo dBV note 2 mute volume volume bytes left and right set to mute mode mute output output select bits set to mute mode OLct ch crosstalk between channels one of tuner input signals at zero level oo dBV OLct ch i crosstalk between input note 3 channels RF converter output pin RFCOUT output voltage tuner input signal at normal level 8 dB high level 8 dBV total harmonic distortion tuner input signal at normal level 8 dBV levels from 8 to 8 dBV noise level tuner input signal on zero level co dBV note 2 output impedance output current limiting power mute MUTE 1 discharge output current passive standby STBP 1 Power mute outputs pins MUTEC MUTEL and MUTER Ro output impedance no mute MUTE 0 muting MUTE 1 DC load from 1 to 1 mA Audio peak envelope output pin ENVOUT output voltage tuner input signal at normal level 8 dBV at high level 8 dBV a

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