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TAS5026REF User`s Guide

1. Input amp Output Section 1 0 CONTROL INTERFACE 1 2 SD E1 SD E2 ERR RCVY TAS5 26 ERROR RECOVERY CONTROL LOGIC 3 3V R120 R121 JMP120 10k 10k Ho Of NN U120 3 3V JUMPER l ifn TE JMP121 2418 1Y lo og oy 28 JUMPER 4 dono FA DUAL AND GATE ERROR RECOVERY Y SN74LVC2G 8DCTR 3 3V R100 S R101 R102 R103 S R104 10k 10k 10k 10k None D od D od D V HBRIDGE CONTROL u ERROR RECOVERY i TE pwne POWER DOWN er SDA eet SCL ee 12C ADDRESS SELECT er DOUBLE SPEED 817 ZCLIP eo DEM SEL2 e L 2 SD E1 ZE e 22 SD E2 L 23 ERRORO VERKORT e elz HEADPHONE DISABLE Lo es gt 27 a er Ze et et 5 M en I 4 4 a 4 a Crea R105 R106 R107 SR188 R109 rm teur 10k lt 10k S10k lt 10k lt 10k mr T dl dl dl dl dl A IT R104 None 10k R105 1k None 1 6 DIGITAL AUDIO INTERFACE 12S R160 J160 i 1 2 _ Kom ej MCLK IN AIR elt R161 R b 2 1 2 sDIN2 ze OL 47R LO 8 ze ei R162 le et 1 2 SDIN3 Ole el 47R e 13 le eki ver Ka pS ISCLK ale eres 47R S R164 2 LRCIK 4
2. 10uF TT A 100nF must be placed below R202 R204 C201 C202 C203 C204 and U200 pin 1 6 and pin 61 64 L l mn al d e o o Row 0 mM a sl a zy 3 3 8 a 23 NR 8 a 292832 v N 2x YE BY rt TNA AH HO EE 1388 0027009900022 R2 8 R202 O3ge3 51373129228 s F RNA I Is Is 220R ar ce z z z 22R a C202 Y R23 The fi fi SS mm reL C206 Y 4 7nF MCLK IN 2 2 MCLK_IN DVSS_RCL ad E ok 47R 3 AVDD_ PLL Ne 47nF a leu FLT_OUT DVDD_ PwM 45 4 5 JPLL_FLT_RET Des Fw C200 nen maar Pum ap 4 av 2 7 Inc iaa PWM AM 4 42 Y None 8 Inyss1 VALID 441 NALID 4 7RESET aj yest TEEN PWM AP 5 42 ERR RCVY TAS5026 ERR_RCVY PWM_AM_5 WM AM R201 2 32 PwM AM 5 10k MUTE TL Mute VALID 5 38 POWER DOWN 12 pon PWM ap 637 PWM AP 6 SDA 13 SpA PWM AM 6 36 SCL 14 Isc VALID 635 VALID 6 12C ADDRESS SELECT 15 oso nc 34 16 Inyss1 5 as no 2 yx 5 dd E xS 99 v Yan lia BB 6 2 Z Z Z 399 S 303 8295589855859 RB ses yaad J a a ad dadd a a 3 4 9 yey aga saa gy N gs a 9 CLIP DEM SEL2 B R209 SDIN2 an MN 4R7 Sons c207 c208 220nF None SCLK LRCLK 3 3V PWM AM 4 PWM AP 5 VALID 5 PWM AM 6 da TEXAS INSTRUMENTS DIGITAL AUDIO GROUP ALL RI
3. FFF uu 2 3 2 3 PWM Interface UiA0 nen eens 2 5 Schematic Parts List PCB Specification and PCB Layout 3 1 TDAA System With TAS5026REF and TAS5110D6REF Reference Designs 1 2 Physical Structure for the TAS5026REF Rough Outline ee eee 1 3 Pin Numbers at PWM Interface J140 Y FFF Y ER RR uu Yu 2 5 Digital Audio Interface Pin Connections 2 2 Cl GK EES 2 2 Control Interface Pin Connections 2 3 2140 Pm Description saurer er a 2 5 vi Chapter 1 Introduction The true digital audio amplifiers TDAA system consists of a PCM PWM modulator device and a PWM power output device The PCM PWM processor accepts a serial PCM digital audio stream and converts it to a 3 3 V PWM audio stream The TDAA output stage provides a large signal PWM output The digital PWM signal is then demodulated providing power output for driving loudspeakers This patented technology provides low cost high quality highly efficient digital audio applicable to many audio systems developed for the digital age The TAS5026REF reference design demonstrates the integrated circuit TAS5026 from Texas Instruments TI The TAS5026 is a 24 bit multichannel digital pulse width modulator based on Equibit technology The TAS5026 is designed to drive up to six digital power devices to provide six channels of digital audio amplification The digital power devices can be conventional monolithic power stages such
4. MCLK 256 x Fs 48 kHz 48 kHz 3 072 MHz 12 288 MHz 64 kHz 64 kHz 4 096 MHz 16 384 MHz 96 kHz 96 kHz 6 144 MHz 24 576 MHz Quad Speed 176 4 kHz 176 4 kHz 11 2896 MHz 22 579 MHz MCLK 128 x Fs 192 kHz 192 kHz 12 288 MHz 24 576 MHz Double Speed 88 2 kHz 88 2 kHz 5 6448 MHz 22 5792 MHz MCLK 256 x Fs 2 2 2 2 Control Interface J100 The control interface connects the TAS5026 board to the microcontroller section Table 2 3 Control Interface Pin Connections Pin No 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Net Name GND V HBRIDGE CONTROL GND RESET SOFT RESET POWER DOWN Not used Not used SDA GND SCL Not used 12C ADDRESS SELECT DOUBLE SPEED CLIP GND DEM SEL2 Description Ground Not used Ground System reset bidirectional The TAS5026 enters a 4 ms initiation sequence before PWM signals are present at the output If a quit reset is desired MUTE should be asserted low before applying RESET TAS5026 error recovery active low Enables the user to enter a reset state click and pop free without resetting the 12C volume register settings Both soft and hard resets stop the output stage from switching and brings it into a low low state meaning the low side MOSFET in both half bridges is ON MUTE active low ramps the volume from any setting to noiseless soft mute Alternatively the mute mode can also be initiated through the serial control
5. and 6 assert this signal low when an internal error occurs This can be due to either an overtemperature protection or an overcurrent event Error reporting 0 ERRO from the TAS51XX output stages Error reporting 1 ERR1 from the TAS51XX output stages Headphone control _ Headphone Mute all channels register address 03h enable sequence gt HEADPHONE DISABLE is asserted high Individual channel mute of channels 3 6 register address 19h o Unmute all channels register address 03h Headphone disable seguence Mute all channels register address 03h HEADPHONE DISABLE is asserted low Unmute of channels 3 6 register address 19h Unmute all channels register address 03h oM AA Headphone 0 Headphone output disabled disable mode 1 Output stage channel 1 and 2 is muted Channel 3 4 5 and 6 should be muted through the I2C interface Ground Ground For future use For future use For future use For future use Ground Ground Power supply out Power supply out 2 3 PWM Interface J140 The PWM interface connects the TAS5026REF board to the output stage module Figure 2 1 Pin Numbers at PWM Interface J140 080 000 12 Ga 18 18 20 22 29 25 22 Go 32 24 E Go 42 Ga Go 43 59 VOODOO DE DD Gn a1 Ga 45 7 9 Table 2 4 J140 Pin Description Pin No Net Name Description 01 V HBRIDGE CONTROL For future use 02 GND Ground 03 PWM AP 1 Channel
6. 809 0819 a BE SE E ae Ge s JE T oe GEET or El 0000000000000000000000000 Tv e WE DE gi 0000 OG ped Kel 800020080004008 ML SILKSCREEN COMP Dps 4 99 021008 TI Copenhagen P164 PCB 001 3 00 S n D E EXAS LJ INSTRUMENTS s TASSO26REF It 20008 2002 All rights reserved Patents pending 05 ES mo VH VH PTH PTH PTH PTH NP gt gt IS IS m gt MM DRILL M gt OO MY er DS D lt gt lo an COD gt D D SCH M EXXX DRILL INFORMATION Dps 4799 021008 TI Copenhagen P164 PCB 001 3 00 44 00 fu fu fu fu fu fu fu fu AAAAAAAAAAAAAAAAAAAAAAAAA a AAAAAAAAAAAAAAAAAAAAAAAAA mm vi mm m D a D o o 0 o h D o ommo D D mom m on pee Dy p 2 9 0 A Dm 0 mm o on o a ai o de pooo g Rn E ap 0 fu fu fu dh g Tom EN mn 0 Moa e o e mm 4 fu a om o mm oo un Bla og D og AAD D o Moog ooh o p o o a o m AAA AAA A AAA AAA AAA Yy DOD OT aaaaaa aA AAA AAA AAA AA AAA AAA HDW DAA AAA AAA fu fu fu fu fu fu fu fu 127 00
7. interface 12C POWER DOWN active low places the TAS5026 in power down mode During power down all 12C and data bus operations are ignored If a quit power down is desired MUTE should be asserted low before applying RESET 12C data clock Ground 12C bit clock TAS5026 12C address select Pin Level 12C Address Low 1Ah High 1Bh DOUBLE SPEED active high is used to support sampling rates of 88 2 kHz and 96 kHz Alternatively the double speed mode can also be initiated through the serial control interface 126 Digital clipping indicator active low Ground De emphasis filter select bit 1 DEM SEL2 DEM SEL1 MODE 0 0 De emphasis disabled 0 1 De emphasis enabled for Fs 32 kHz 1 0 De emphasis enabled for Fs 44 1 kHz 1 1 De emphasis enabled for Fs 48 kHz 2 3 Table 2 3 Control Interface Pin Connections Continued Pin No 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 2 4 Net Name DEM SEL1 SD E1 SD E2 ERRORO ERROR1 HEADPHONE DISABLE GND GND Not used Not used Not used Not used GND GND 5V 5V Description De emphasis filter select bit 1 Shutdown error reporting group 1 The TAS51XX digital output stages channel 1 2 and 5 assert this signal low when an internal error occurs This can be due to either an overtemperature protection or an overcurrent event Shutdown error reporting group 2 The TAS51XX digital output stages channel 3 4
8. under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2003 Texas Instruments Incorporated EVM IMPORTANT NOTICE Texas Instruments TI provides the enclosed prod
9. 0 5 PA 10k0 100210020 10 kohm 5 200 ppm 100 mW metalfilm BC Components DCT 0603 00 5 PA 10k0 Not used Not used Texas Instruments Digital Audio amp Video Ww TEXAS INSTRUMENTS Part Number Description Housing Manufacturer l Manufacturer Part Number R105 R106 R107 R108 R109 R120 R121 R160 R161 R162 R163 R164 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 R330 R331 R332 R333 R334 R335 100210020 100210020 100210020 100210020 100210020 100210020 100210020 100247090 100247090 100247090 100247090 100247090 100210020 100210020 100222000 100247090 100210080 100247080 Deleted Deleted 100222090 100247080 100282010 100282010 100282010 100282010 100210020 100210020 100210020 100210020 100282010 100282010 100282010 100282010 100210010 100210010 100210010 100210010 10 kohm 5 200 ppm 100 mW meta 10 kohm 5 200 ppm 100 mW metalfi 10 kohm 5 200 ppm 100 mW metalfi 10 kohm 5 200 ppm 100 mW metalfi 10 kohm 5 200 ppm 100 mW metalfi 10 kohm 5 200 ppm 100 mW metalfi 10 kohm 5 200 ppm 100 mW metalfi 47 RO 5 200 ppm 100 mW metalfi 47 RO 5 200 ppm 100 mW metalfi 47 RO 5 200 ppm 100 mW metalfi 47 RO 5 200 ppm 100 mW metalfi fi a 33335333 47 R0 5 200 ppm 100 mW metalfi 10 khm 5 200 ppm 100 mW met 10 kohm 5 200 ppm 100 mW metalfilm 220 R 5 200 ppm 100 mW metalfilm 47 RO 5 200 ppm 100 mW metal
10. 0 Pin Description Continued Pin No 2 6 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Net Name PWM AM 5 VALID 5 PWM BM 5 PWM BP 5 GND PWM AP 6 PWM AM 6 VALID 6 PWM BM 6 PWM BP 6 SD E1 SD E2 ERRORO ERRORT RESET PSU COMP 2 PSU COMP 1 Not Used Not Used 3 3V GND 5V 5V Description Channel 5 PWM input differential positive H bridge side Valid channel 5 Channel 5 PWM input differential negative H bridge side Channel 5 PWM input differential negative H bridge side Ground Channel 6 PWM input differential positive H bridge side Channel 6 PWM input differential positive H bridge side Valid channel 6 Channel 6 PWM input differential negative H bridge side Channel 6 PWM input differential negative H bridge side Shutdown group 1 center left and right front speakers Shutdown group 2 subwoofer left and right rear speakers Error signal ERRO from TAS5110 Error signal ERR1 from TAS5110 System reset bidirectional For future use For future use For future use For future use 3 3 V supply voltage for the modulator module e g the TAS5026REF Ground 5 V supply voltage 5 V supply voltage Chapter 3 Schematic Parts List PCB Specification and PCB Layout The chapter contains the schematic parts list PCB specification and PCB layout for the TAS5026REF C D
11. 1 PWM input differential positive H bridge side 04 PWM AM 1 Channel 1 PWM input differential positive H bridge side 05 VALID 1 Valid channel 1 06 PWM BM 1 Channel 1 PWM input differential negative H bridge side 07 PWM BP 1 Channel 1 PWM input differential negative H bridge side 08 GND Ground 09 PWM AP 2 Channel 2 PWM input differential positive H bridge side 10 PWM AM 2 Channel 2 PWM input differential positive H bridge side 11 VALID 2 Valid channel 2 12 PWM BM 2 Channel 2 PWM input differential negative H bridge side 13 PWM BP 2 Channel 2 PWM input differential negative H bridge side 14 GND Ground 15 PWM AP 3 Channel 3 PWM input differential positive H bridge side 16 PWM AM 3 Channel 3 PWM input differential positive H bridge side 17 VALID 3 Valid channel 3 18 PWM BM 3 Channel 3 PWM input differential negative H bridge side 19 PWM BP 3 Channel 3 PWM input differential negative H bridge side 20 GND Ground 21 PWM AP 4 Channel 4 PWM input differential positive H bridge side 22 PWM AM 4 Channel 4 PWM input differential positive H bridge side 23 VALID 4 Valid channel 4 24 PWM BM 4 Channel 4 PWM input differential negative H bridge side 25 PWM BP 4 Channel 4 PWM input differential negative H bridge side 26 GND Ground 27 PWM AP 5 Channel 5 PWM input differential positive H bridge side 2 5 Table 2 4 J10
12. 7R 1 4 PWM INTERFACE V HBRIDGE CONTROL PWM AP 1 PWM AM 1 VALID 1 PWM AP 2 PWM AM 2 VALID 2 PWM AP 3 PWM AM 3 VALID 3 PWM AP 4 PWM AM 4 VALID 4 PWM AP 5 PWM AM 5 VALID 5 PWM AP 6 PWM AM 6 I VALID 6 ag Hegli SD E2 ZERRORO Cerrar 2 Zi Z RESET ZERR R1 2 y gt ae ze SIE 47 I 3 3V 9 o 49 re o 2 5V 50 a da TEXAS INSTRUMENTS DIGITAL AUDIO GROUP ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED Project TAS5026REF Size S 75 Page Title Input amp Output Section Engineers Claus Reckweg Date Wed Jan 15 2003 Rev 1 88 Mod O Sheet 1 of 3 Filename P164 SCH 001 7 00 sch Drawn by CRW File Location F C D TAS5026 Section PWM AM 1 PWM AP 2 VALID CON 2 PWM AM 3 2 0 PWM PROCESSOR PWM AP 1 VALID CON 1 PWM AM 2 3 3V PWM AP 3 R2 5 4R7 VALID 3 I PCB LAYOUT NOTE C203 gt 1 0204 c205 Isolated groundplone connected to GND through R204
13. 8 R3292 0327 y R321 VF rs Ble olz 8k2 d 220pF U302 1 Sn m2 I amp 8k2 10k R330 Lap vr vott Han wel al 5V TPA112DGN PWM AP 1 2a E ers Vv 8k2 El Mw 8 ur R322 R326 C528 Rose 4 lagg ay 1 1 2 ied 1k 220pF PWM AM 1 SA 3 zoe 18 8k2 0322 10k Pied FEN R331 Sa E ai T 470pF 2 c330 C eo PB 8k2 108nF QUADRUPLE BUFFER u C323 57 a PWM AM 2 R323 NF R327 220pF PWM AP 2 1 2 4 1 2 8k2 10k d TEXAS DIGITAL AUDIO GROUP INSTRUM ENTS ALL RIGHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED Project TAS5026REF Size N oc w Page Title Headphone Amplifier Section Engineers Claus Reckweg Date Wed Jan 15 2003 Rev 1 88 Mod Sheet 3 of 3 Filename P164 SCH 001 7 00 sch Drawn by CRW File Location k TEXAS INSTRUMENTS TAS5026REF Parts List Part Number Description Housing Manufacturer l Manufacturer Part Number 200041060 10 uF 16 V 20 LYT LY4x5SMD Panasonic ECE VICA100 SR 200041060 10 uF 16 V 20 LYT LY4x5SMD Panasonic ECE VICA100 SR Not used Not used 200054730 47 nF 16 V 20 X7R 0603 KEMET C0603C473M2RAC 200054720 4 7 nF 50 V 20 X7R 0603 KEMET C0603C473M5RAC 200041060 10 uF 16 V 20 LYT LY4x5SMD Panasonic ECE V 1C A 100 SR 200051040 100 nF 16 V 20 X7R 0603 KEMET C0603C104M4RAC Not used Not used 200052240 220 nF 10 V 10 X7R 0603 Phycomp 223824615654 200052240 220 nF 10 V 10 X7R 0603 Phycomp 223824615654 Not used
14. DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 220R DCT 0603 00 5 PA 47R0 DCT 0603 00 5 PA 1R0 DCT 0603 00 5 PA 4R70 DCT 0603 00 5 PA 22R DCT 0603 00 5 PA 4R70 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 8k20 DCT 0603 00 5 PA 1k00 DCT 0603 00 5 PA 1k00 DCT 0603 00 5 PA 1k00 DCT 0603 00 5 PA 1k00 k TEXAS INSTRUMENTS TAS5026REF Parts List Part Number Description Housing Manufacturer Manufacturer Part Number SHUNT120 700110210 Black 2 54 mm shunt Molex 15 29 1024 SHUNT121 700110210 Black 2 54 mm shunt Molex 15 29 1024 520140083 Dual AND gate LVC MSOP8 Texas Instruments SN7ALVC2GO8DCTR 500050261 6 ch PWM processor AD VOL 192kHz TQFP64 Texas Instruments TAS5026APFB 520140140 Single Schmitt Trigger Inverter LVC SOT23 5 Texas Instruments SN74LVC1G14DBVR 520140081 Quad AND gate LVC TSSOP14 Texas Instruments SN74LVCO8APWR 520141262 Quad buffer with output enable LVC TSSOP14 Texas Instrum
15. GHTS RESERVED PATENTS PENDING TEXAS INSTRUMENTS INCORPORATED Project TAS5026REF Size S 75 Page Title TAS5026 Section Engineers Claus Reckweg Date Wed Jan 15 2003 Rev 1 00 Mod O Sheet 2 of 3 Filename P164 SCH 001 7 00 sch Drawn by CRW File Location F Headphone Amplifier Section 3 0 INPUT BUFFER amp CONTROL LOGIC 3 2 LOWPASS FILTER amp OUTPUT AMPLIFIER 3 3V Gain 7dB 0 45X U300 0 548020kHz ihe 5 3 0dB 54kHz HEADPHONE DISABLE el Se 4 25dB0350kHz SN74LVC1G14DBVR 3 3V U301 1414 x ve a 2118 ZS 13 WALID 1 Sty 5 ap ZVALID CON 1 4 on 8 at NALID 2 HEADPHONE DISABLE Sion FI sp 7VALID CON 2 Sly 5 aH ion TI xE 5V QUADRUPLE 2 INPUT R334 AND GATES HA 1k J320 R320 R324 1 i S 1 2 C325 3 6328 21 HEADPHONE OUT 8k2 C320 10k 100nF eur R335 TAL 3 5mm Jack Connector 3 3V I 1k C300 1 U320 E 100nF Lo val
16. Not used 200051040 100 nF 16 V 20 X7R 0603 KEMET C0603C104M4RAC 200064710 470 pF 10 50 V NPO 0603 KEMET C0603C471K5GAC 200064710 470 pF 10 50 V NPO 0603 KEMET C0603C471K5GAC 200064710 470 pF 10 50 V NPO 0603 KEMET C0603C471K5GAC 200064710 470 pF 10 50 V NPO 0603 KEMET C0603C471K5GAC 200062210 220 pF 10 50 V NPO 0603 KEMET C0603C221K5GAC 200051040 100 nF 16 V 20 X7R 0603 KEMET C0603C104M4RAC 200041060 10 uF 16 V 20 LYT LY4x5SMD Panasonic ECE V IC A 100 SR 200062210 220 pF 10 50 V NPO 0603 KEMET C0603C221K5GAC 200062210 220 pF 10 50 V NPO 0603 KEMET C0603C221K5GAC 200062210 220 pF 10 50 V NPO 0603 KEMET C0603C221K5GAC 200051040 100 nF 16 V 20 X7R 0603 KEMET C0603C104M4RAC 200042270 220 uF 6 3 V 20 LYT LY8x9SMD Panasonic EEV F COJ 221P Deleted Deleted Deleted Deleted 700820340 Box Header straight 34 pin 2 54 mm Multicomp MC9A12 3434 700820500 Box Header straight 50 pin 2 54 mm Multicomp MC9A12 5034 700820160 Box Header straight 16 pin 2 54 mm Multicomp MC9A12 1634 700353520 Stereo 3 5 mm jack socket Schurter 4832 2320 700100020 2 pin 2 54 mm pitch header Molex 90120 0122 700100020 2 pin 2 54 mm pitch Header Molex 90120 0122 900116412 P164 PCB 001 3 00 Printline P164 PCB 001 3 00 100210020 10 khm0 5 200 ppm 100 mW metalfilm BC Components DCT 0603 00 5 PA 10k0 100210020 10 kohm 5 200 ppm 100 mW metalfilm BC Components DCT 0603 00 5 PA 10k0 100210020 10 kohm 5 200 ppm 100 mW metalfilm BC Components DCT 0603 0
17. as the TAS5110 or the TAS5112 or discrete differential power stages using gate drivers and MOSFETs Topic Page 14 TASSO26REF Features 0420 560 de id 1 2 1 2 PCB Koy Mape Gu eee ee ee tare 1 3 Seel Dee 1 3 Figure 1 1 Digital Audio Interface Control Interface The TAS5026 has six independent volume controls with soft volume and mute The TAS5026 supports bridged output configurations The device operates in AD mode 2 level modulation scheme This all digital audio system contains only two analog components in the signal chain an LC low pass filter at each speaker terminal The TAS5026 provides up to 96 dB SNR at the speaker terminals The TAS5026 has a wide variety of serial input options including right justified 16 20 or 24 bit I2S 16 20 or 24 bit left justified or DSP 16 bit data formats It is fully compatible with AES standard sampling rates of 44 1 kHz 48 kHz 88 2 kHz and 96 kHz including de emphasis for 44 1 kHz and 48 kHz sample rates The TAS5026 plus the TAS51 xx power stage device combination can be used in a wide range of applications such as microcomponent systems home theater in a box HTIB DVD receivers A V receivers or TV sets Together with the TAS5110D6REF or the TAS5112D6REF module the TAS5026REF module is a complete true digital audio amplifier system which includes digital volume control headphone amplifier and a subwoofer output TDAA System With TAS5026REF an
18. cribes the TAS5026REF system interfaces Topic Page 2 1 Digital Audio Interface J160 cece eee eee eee eee 2 2 2 2 Control Interface el Oe 2 3 2 3 PWMilnterface J140 HE 2 5 2 1 2 1 Digital Audio Interface J160 The digital audio interface contains digital audio signal data 12S clocks etc See the TAS5026 data manual SLES041 for signal timing and details not ex plained in this document Table 2 1 Digital Audio Interface Pin Connections Pin No Net Name Description 01 GND Ground 02 MCLK IN Not used 03 GND Ground 04 SDIN1 12S data 1 channel 1 and 2 left and right front speakers 05 SDIN2 128 data 2 channel 3 and 4 left and right rear speakers 06 SDIN3 12S data 3 channel 5 and 6 center speaker subwoofer 07 GND Ground 08 GND Ground 09 GND Ground 10 GND Ground 11 SCLK 12S bit clock 64xFs used to shift in serial data from SIN1 SDIN2 and SDIN3 SDATA is sampled with the rising edge of the SCLK The I2S format can be changed in the 12C registers 12 GND Ground 13 LRCLK Left right clock Fs used to indicate left right data being transmitted in SDATA The left channel is transmitted when LRCLK is low and the right channel is transmitted when LRCLK is high 14 GND Ground 15 Not used For future use 16 GND Ground Table 2 2 Clock Rates Sample Frequency LRCLK Fs SCLK 64 x Fs MCLK 32 kHz 32 kHz 2 048 MHz 8 192 MHz Normal Speed 44 1 kHz 44 1 kHz 2 8224 MHz 11 2896 MHz
19. d TEXA INSTRUMENTS TAS5026REF Reference Design for the TAS5026 Digital Audio PWM Processor User s Guide April 2003 Digital Audio Application SLEU035 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to TI s terms and conditions of sale supplied at the time of order acknowledgment Tl warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed Tl assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted
20. d TAS5110D6REF Reference Designs 12S Bus I2C Bus Control Interface TAS5026DREF PWM Interface TAS5110D6REF Module Module 1 1 TAS5026REF Features Six channel TDAA reference design double sided plated through PCB layout 3 Supports noiseless self contained protection system short circuit and thermal for the TAS5110 and the TAS5182 output stages The autorecovery loop is closed when JMP120 and JMP121 are shorted YU Onboard headphone amplifier 1 2 PCB Key Map The physical structure for the TAS5026REF is illustrated in Figure 1 2 Figure 1 2 Physical Structure for the TAS5026REF Rough Outline J140 E Headphone Amplifier PWM Processor Section Section TAS5026REF Control Interface Digital Audio Interface J100 J160 1 3 Jumper Settings Together with the TAS5100 TAS5110 TAS5182 PWM output stages from Texas Instruments the TAS5026REF module can be configured in autorecovery mode closed loop The SHUTDOWN signal s from the output stage is connected to error recovery at the PWM processor when JMP120 and JMP121 are shorted The autorecovery loop has to be disabled when the modulator board is connected to an output stage module with autorecovery on chip e g the TAS5111 and the TAS5112 reference modules Autorecovery is disabled when JMP120 and JMP 121 are removed 1 4 Chapter 2 System Interfaces This chapter des
21. ents SN74LVC126APWR 510101121 150 mW stereo power amplifier MSOP8 Texas Instruments TPA112DGN Texas Instruments Digital Audio amp Video KH TEXAS INSTRUMENTS TAS5026REF PCB SPECIFICATION TAS5026REF PCB SPECIFICATION BOARD IDENTIFICATION BOARD TYPE LAMINATE TYPE LAMINATE THICKNESS COPPER THICKNESS COPPER PLATING OF HOLES MINIMUM HOLE DIAMETER SILKSCREEN COMPONENT SIDE SILKSCREEN SOLDER SIDE SOLDER MASK COMPONENT SIDE SOLDER MASK SOLDER SIDE PROTECTIVE COATING ELECTRICAL TEST MANUFACTURED TO APERTURE TABLE BOARD SIZE P164 PCB 001 3 00 DOUBLE SIDED PLATED THROUGH BOARD FR4 1 6 mm 35um INCL PLATING EXTERIOR LAYER gt 25um 0 3 mm WHITE REMOVE SILKSCREEN FROM SOLDER AREA amp PRE TINNED AREAS None GREEN GREEN SOLDER COATING AND CHEMICAL SILVER ON FREE COPPER PCB MUST BE ELECTRICAL TESTED PERFAG 2E www perfag dk PERFAG 10A www perfag dk 127x44 mm COMP LAYOUT COMP DpS 4 99 021008 TI Copenhagen P164 PCB 001 3 00 ME E 50 rev i P164 PCB 001 3 00 i J140 P OL Vag te a tE WB Texas oe un I INSTRUMENTS Wt a Id Tek sg TASS5026REF swn TE SS E Ce en All rights e CD 6 Patents pending J100 J160 e Ch CUMPONENT SIDE Dn 4 99 021008 3 00 TI Copenhagen P164 PUCD 001 J S EN 900480 BENS 290 Ue Hate 00 t00 839 83t9 naperinagod IT 00 6 100
22. film 1 R0 5 300 ppm 100 mW metalfi 4 R70 5 300 ppm 100 mW metalfilm Deleted Deleted 22 R 5 200 ppm 100 mW metalfi 4 R70 5 300 ppm 100 mW meta 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 10 k0 5 200 ppm 100 mW metalfi 10 k0 5 200 ppm 100 mW metalfi 10 k0 5 200 ppm 100 mW metalfi 10 k0 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 8 k20 5 200 ppm 100 mW metalfi 1 k00 5 200 ppm 100 mW metalfi 1 k00 5 200 ppm 100 mW metalfi 1 k00 5 200 ppm 100 mW metalfi 1 k00 5 200 ppm 100 mW metalfi 3333333333333333 TAS5026REF Parts List 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 0603 BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components BC Components Texas Instruments Digital Audio amp Video DCT 0603 00 5 PA 10k0 DCT 0603 00 5 PA 10k0
23. ions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES Tl currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive TI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the EVM User s Guide and specifically the EVM Warnings and Restrictions notice in the EVM User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For further safety concerns please contact the TI application engineer Persons handling the product must have electronics training and observe good laboratory practice standards No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2003 Texas Instruments Incorporated EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the specified input and output ranges described in the EVM User s Guide Exceeding the specified input range may cause unexpected operatio
24. n and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 60 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2003 Texas Instruments Incorporated Preface Read This First About This Manual This manual describes the TAS5026REF reference design from Texas Instru ments How to Use This Manual This document contains the following chapters Chapter 1 Introduction Chapter 2 Sys
25. tem Interfaces UY Chapter 3 Schematic Parts List PCB Specification and PCB Layout Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution statement A caution statement describes a situation that could potentially damage your software or equipment This is an example of a warning statement A warning statement describes a situation that could potentially cause harm to you The information in a caution or a warning is provided for your protection Please read each caution and warning carefully Related Documentation From Texas Instruments Related Documentation From Texas Instruments The following is a list of data manual that have detailed descriptions of the integrated circuits used in the design of the TAS5026REF evaluation module The data manuals can be obtained at the URL http www ti com Part Number Literature Number TAS5026PFB SLES041 SN74LVC2G08DCTR SCES198 SN74LVCO8APWR SCAS283 SN74LVC126APWR SCAS339 TPA112DGN SLOS212 Trademarks Equibit is a trademark of Texas Instruments 3 Na NO Contents Introduction 2 22 22 HE er EE E ee 1 1 kat TASDO26REF Features niet ae eee aed 1 2 1 2 POEB Key Map oes renee or Bie ner Br ne Lines bes 1 3 143 Jumper Settings sanierte a Die Oe en age de pie 1 3 System Interfaces vaar asset rie ee ee ee ee Od 2 1 2 1 Digital Audio Interface ien 2 2 2 2 Control Interface J100
26. uct s under the following conditions This evaluation kit being sold by Tl is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use As such the goods being provided may not be complete in terms of required design marketing and or manufacturing related protective considerations including product safety measures typically found in the end product incorporating the goods As a prototype this product does not fall within the scope of the European Union directive on electromagnetic compatibility and therefore may not meet the technical requirements of the directive Should this evaluation kit not meet the specifications indicated in the EVM User s Guide the kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product itis the user s responsibility to take any and all appropriate precaut

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