Philips TDA1556Q User's Manual
Contents
1. c powerground e switch gt output 2B MLA383 2 Fig 1 Block diagram July 1994 Philips Semiconductors 2 x 22 W stereo BIL differential amplifier Product specification with speaker protection and dynamic TDA1556Q PINNING SYMBOL PIN DESCRIPTION IN1A 1 input signal 1A IN1B 2 input signal 1B nee n c 3 not connected a DDD 4 dynamic distortion detector n c Vp1 5 positive supply voltage 1 DDD OUT1A 6 output signal 1A Vp GND1 7 power ground 1 OUT 1A OUT1B 8 output signal 1B n c 9 not connected ae OUT2A 10 output signal 2A ere GND2 11 power ground 2 nS TDA1556Q OUT2B 12 output signal 2B OUT 2A Vp2 13 positive supply voltage 2 GND 2 M SB 14 mute stand by switch OUT 2B LSP 15 loudspeaker protection es IN2A 16 input signal 2B oe IN2B 17 input signal 2A THERMAL RESISTANCE LSP IN 2A IN 2B MLA381 1 Fig 2 Pin configuration THERMAL SYMBOL PARAMETER RESISTANCE Rthj a from junction to ambient 40 K W in free air Rtn j c from junction to case 1 5 KW see Figs 3 and 4 July 1994 output 1 output 2 virtual junction 2 8 2 8 K W K W 0 1 K W case MLA382 Fig 3 Thermal resistance Philips Semiconductors 2 x 22 W stereo B2. However wave soldering is not always suitable for surface mounted ICs or for Repairing soldered joints printed circuits with high population densities In these situations reflow soldering is often used Introduction Apply a low voltage soldering iron less than 24 V to the lead s of the package below the seating plane or not This text gives a very brief insight toa complex technology more than 2 mm above it If the temperature of the A more in depth account of soldering ICs can be found in soldering iron bit is less than 300 C it may remain in our IC Package Databook order code 9398 652 90011 contact for up to 10 seconds If the bit temperature is between 300 and 400 C contact may be up to 5 seconds Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 C solder at this temperature must not be in contact with the joint for more than 5 seconds The total contact time of successive solder waves must not exceed 5 seconds 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 ab
3. IL differential amplifier with speaker protection and dynamic FUNCTIONAL DESCRIPTION The TDA1556Q contains two identical amplifiers each with a fixed gain of 26 dB and differential input stages The device can be used for bridge tied load applications The circuit has the following features e low stand by current lt 100 uA e low mute stand by switching current low cost supply switch e mute facility LIMITING VALUES In accordance with the absolute maximum system IEC 134 Product specification TDA1556Q Loudspeaker protection Should a short circuit to ground occur thereby forcing a DC voltage 1 V across the loudspeaker a built in protection circuit is activated to limit the DC voltage across the speaker to lt 1 V The delay time of the protection circuit can be influenced by the external capacitor connected to pin 15 A dynamic distortion detector DDD is activated when clipping occurs at one or both output stages Its information may be used to operate a sound processor or DC volume control to attenuate the input signal thereby minimizing the distortion SYMBOL PARAMETER CONDITION MIN MAX UNIT Vp positive supply voltage operating 18 V non operating 30 V during 50 ms load 45 V dump protection rise time gt 2 5 ms losm non repetitive peak output current 6 A lorm repetitive peak output current 4 A Tstg storage tempera
4. INTEGRATED CIRCUITS DATA SHEET TDA1556Q 2 x 22 W stereo BIL differential amplifier with speaker protection and dynamic distortion detector Product specification July 1994 File under Integrated Circuits IC01 Philips PHILIPS Semiconductors DH j L Philips Semiconductors Product specification 2 x 22 W stereo BTL differential amplifier with speaker protection and TDA1556Q FEATURES Few peripheral components Thermally protected Reverse polarity safe High output power High energy handling capability at the outputs Vp 0 V Electrostatic discharge protection Low output offset voltage Fixed gain e No switch on switch off plop Flexible leads Loudspeaker protection with diagnostic facility Differential inputs e Low thermal resistance Dynamic Distortion Detector DDD High common mode input signal Very high CMRR TDA1556Q is a monolithic integrated class B output amplifier containing two 22 Watt amplifiers in a BTL configuration The device is contained in a 17 lead GENERAL DESCRIPTION Good ripple rejection A TMute stand py switch single in line SIL plastic power package It has two e Load dump protection differential inputs and is primarily intended for car booster e Short circuit safe applications QUICK REFERENCE DATA SYMBOL PARAMETER CONDITION MIN TYP MAX UNIT Vp positive supply voltage operating 6 0 14 4 18 V
5. ation 3 6 V Protection inactive AV g and AV49 12 lt 0 1 V Vi5 voltage information 0 3 V Notes to the characteristics 1 The circuit is DC adjusted at Vp 6 to 18 V and AC operating at Vp 8 5 to 18 V At 18 V lt Vp lt 30 V the DC output voltage lt Vp 2 Conditions V414 0 V short circuit to ground switch V14 to MUTE or ON condition rise time at V44 2 10 us Frequency response externally fixed Ripple rejection measured at the output with a source impedance of 0 Q maximum ripple amplitude of 2 V and a frequency between 100 Hz and 10 kHz Gh Be GON 6 Mismatching is given by the following equation Zi Zio A Z x 100 Z Z 3 x 100 i3 7 Noise measured in a bandwidth of 20 Hz to 20 kHz 8 Noise output voltage independent of Rs Vi 0 V 9 Common mode rejection ratio measured at the output with both inputs tied together Virms lt 3 5 V f 100 Hz 10 kHz A Z July 1994 6 Philips Semiconductors 2 x 22 W stereo BIL differential amplifier Product specification with speaker protection and dynamic TDA1556Q AC CHARACTERISTICS Vp 14 4 V RL 4 Q f 1 kHz Tamb 25 C unless otherwise specified SYMBOL PARAMETER CONDITION MIN TYP MAX UNIT Po output power THD 0 5 15 17 W THD 10 20 22 W THD 0 5 12 W Vp 13 2 V THD 10 17 W Vp 13 2 V THD total harmonic d
6. istortion Po 1W 0 1 B power bandwidth THD 0 5 20 to Hz Po 1 dB with 15000 respect to 15 W f low frequency roll off 1 dB note 4 25 Hz fh high frequency roll off 1 dB 20 7 7 kHz Gy closed loop voltage gain 25 26 27 dB SVRR supply voltage ripple rejection note 5 ON condition 48 dB MUTE condition 48 dB stand by condition 80 dB Izl input impedance 100 120 150 kQ AZ input impedance note 6 4 Vino noise output voltage ON Rg 0Q note 7 70 120 uV ON Rg 10 kQ 100 uV note 7 MUTE Rg 10 KQ 60 uV notes 7 and 8 oO channel separation Rs 10 kQ 40 dB AGy channel unbalance 1 dB CMRR common mode rejection ratio note 9 64 72 dB THD total harmonic distortion IDpp 50 uA peak 3 5 July 1994 Philips Semiconductors 2 x 22 W stereo BIL differential amplifier with speaker protection and dynamic Product specification TDA1556Q 1 2 Rg audio source 220 nF 220 uF mute stand by DDD oo 1 2Rs gt t n c n c 220 nF TDA1556Q audio source gt 220 uF R load gt R load MLA380 2 Fig 4 Stereo BTL test diagram July 1994 Philips Semiconductors Product specification 2 x 22 W stereo BIL differential amplifier TDA1 with speaker pr
7. non operating 30 V load dump 45 V lORM repetitive peak output current 4 A Ip total quiescent current 80 mA lsb stand by current 0 1 100 uA low switch on current 60 uA izil input impedance 50 kQ Tyj virtual junction temperature 150 C Po output power 4 0 THD 10 22 W SVRR supply voltage ripple rejection Rs 0 Q f 100 Hz to 10 kHz 48 dB Vos DC output offset voltage 100 mV a channel separation 40 dB AGy channel unbalance 1 dB CMRR rejection ratio 72 dB ORDERING INFORMATION PACKAGE PINS PIN POSITION MATERIAL CODE TDA1556Q 17 SIL plastic SOT243R EXTENDED TYPE NUMBER Note 1 SOT243 1 1996 August 19 July 1994 2 Philips Semiconductors 2 x 22 W stereo BIL differential amplifier with speaker protection and dynamic Product specification TDA1556Q input 1A input 1B e switch gt output 1A DDD LSP stand by switch e switch gt output 1B input 2A input 2B e switch mute stand by stand by reference voltage mute switch TDA1556Q gt output 2A n
8. otection and dynamic 556Q PACKAGE OUTLINE DBS17P plastic DIL bent SIL power package 17 leads lead length 12 mm SOT243 1 non concave a view B mounting base side pe DIMENSIONS mm are the original dimensions UNIT A A2 bp c DM d Dhn 4 6 24 0 ak 4 2 23 6 19 Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included OUTLINE REFERENCES EUROPEAN VERSION JEDEC EIAJ PROJECTION S0T243 1 Ea 95 03 11 ISSUE DATE July 1994 9 Philips Semiconductors Product specification 2 x 22 W stereo BIL differential amplifier with speaker protection and dynamic TDA1556Q SOLDERING The device may be mounted up to the seating plane but the temperature of the plastic body must not exceed the specified maximum storage temperature Tstg max If the There is no soldering method that is ideal for all IC printed circuit board has been pre heated forced cooling packages Wave soldering is often preferred when may be necessary immediately after soldering to keep the through hole and surface mounted components are mixed temperature within the permissible limit on one printed circuit board
9. ove 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 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 July 1994 10
10. ture range 55 150 C Tyj virtual junction temperature 150 C Vpse AC and DC short circuit safe voltage 18 V energy handling capability at outputs Vp 0 200 mJ Vpr reverse polarity 6 V Piot total power dissipation 60 Ww DC CHARACTERISTICS Vp 14 4 V Tamb 25 C unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT Supply Vp positive supply voltage note 1 6 0 14 4 18 V Ip quiescent current 80 160 mA Vo DC output voltage note 2 6 9 V Vos DC output offset voltage operating 100 mV Mute stand by Von switch on voltage level 8 5 V July 1994 Philips Semiconductors 2 x 22 W stereo BIL differential amplifier Product specification with speaker protection and dynamic TDA1556Q SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT MUTE CONDITION Vmute mute voltage 3 3 6 4 V Vo output signal in mute position Vimax 1 V f 1kHz 2 mV Vos DC output offset voltage 100 mV STANDBY CONDITION Vsb stand by voltage 0 2 V lsb DC standby current Vig lt 0 5 V 100 uA 0 5 V lt V14 lt 2 0 V 500 uA low switch on current 25 60 uA Ipsc supply current short circuit to ground 10 mA note 3 Loudspeaker protection AV6 8 10 12 DC voltage across R 1 0 V ta delay time 0 5 Protection active AV4 g or AV7 9 lt 1 0 V lis current information E 25 uA V15 voltage inform
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