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© Philips Electronics N.V. 1998

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Printed in The Netherlands

545102/1200/04/pp16

 Date of release: 1998 Apr 07

Document order number:

 9397 750 03255

Summary of Contents for TDA7057AQ

Page 1: ...TA SHEET Product specification Supersedes data of 1997 July 15 File under Integrated Circuits IC01 1998 Apr 07 INTEGRATED CIRCUITS TDA7057AQ 2 8 W stereo BTL audio output amplifier with DC volume control ...

Page 2: ...Missing Current Limiter MCL A MCL protection circuit is built in The MCL circuit is activated when the difference in current between the output terminal of each amplifier exceeds 100 mA typical 300 mA This level of 100 mA allows for single ended headphone applications QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VP supply voltage 4 5 18 V Pout output power...

Page 3: ...RAM Fig 1 Block diagram handbook full pagewidth MSA714 I i I i Ι STABILIZER TEMPERATURE PROTECTION Vref 11 1 3 13 I i I i ΙΙ 8 7 5 10 12 power ground 1 9 power ground 2 6 signal ground 2 not connected input 1 DC volume control 1 input 2 DC volume control 2 TDA7057AQ 4 V P positive output 1 negative output 1 negative output 2 positive output 2 ...

Page 4: ...re integrated into the input stages so that no coupling capacitors are required and a low offset voltage is still maintained The minimum supply voltage also remains low The BTL principle offers the following advantages Lower peak value of the supply current The frequency of the ripple on the supply voltage is twice the signal frequency Consequently a reduced power supply with smaller capacitors ca...

Page 5: ...h j c Rth c hs Rth hs Rth c hs Rth hs 25 4 21 K W SYMBOL PARAMETER CONDITIONS MIN MAX UNIT VP supply voltage 18 V IORM repetitive peak output current 1 25 A IOSM non repetitive peak output current 1 5 A Ptot total power dissipation Tcase 60 C 22 5 W Tamb operating ambient temperature 40 85 C Tstg storage temperature 55 150 C Tvj virtual junction temperature 150 C tsc short circuit time 1 hr Vn inp...

Page 6: ...C2 7 The noise output voltage RMS value is measured with RS 5 kΩ unweighted SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VP voltage supply 4 5 18 5 V Iq tot total quiescent current VP 12 V RL note 1 22 25 mA Maximum gain V1 7 1 4 V Po output power THD 10 RL 16 Ω 3 0 3 5 W THD 10 RL 8 Ω 5 3 W THD 10 RL 8 Ω VP 15 V 8 W THD total harmonic distortion Po 0 5 W 0 3 1 Gv voltage gain 39 5 40 5 41 5 dB Vi...

Page 7: ...672 8 12 16 Iq mA Fig 4 THD as a function of output power 1 RL 16 Ω 2 RL 8 Ω handbook halfpage 12 THD Pout W 0 8 10 2 10 1 1 MBG675 10 4 1 2 Fig 5 THD as a function of frequency 1 Gv 40 dB Po 0 5 W 2 Gv 30 dB Po 0 5 W handbook halfpage 102 MBG674 10 1 10 2 10 1 f kHz THD 10 0 4 8 6 2 2 1 Fig 6 Output power as a function of supply voltage THD 10 f 1 kHz 1 RL 8 Ω 2 RL 16 Ω handbook halfpage 12 0 4 8...

Page 8: ...2 16 Pd W VP V 2 1 Fig 8 Voltage gain as a function of volume control voltage handbook halfpage 0 Gv dB 2 0 VVC V 80 40 80 120 40 0 MBG667 0 4 0 8 1 2 1 6 Fig 9 Noise voltage as a function of volume control voltage f 22 Hz to 22 kHz handbook halfpage 2 0 VVC V 0 10 2 10 1 MBG678 1 0 4 0 8 1 2 1 6 Vno mV Fig 10 SVRR as a function of frequency 1 VDC 1 4 V Vripple 0 2 V 2 VDC 0 4 V Vripple 0 2 V hand...

Page 9: ... as far as possible and connected as close as possible to the IC The DC volume control can be applied in several ways Two possible circuits are shown below the main application diagram The circuits at the control pin will influence the switch on and switch off behaviour and the maximum voltage gain For single end applications the output peak current must not exceed 100 mA At higher output currents...

Page 10: ...ctrolytic capacitor is connected close to pin 5 2 RL 16 Ω handbook full pagewidth MBG679 13 11 TEMPERATURE MCL PROTECTION STABILIZER 10 8 9 12 6 220 µF 100 nF 4 1 2 2 VP 12 V VP 12 V 5 7 Rs 5 kΩ 1 MΩ 1 µF Rs 5 kΩ DC volume signal ground volume control volume control power ground 470 nF 470 nF input 1 input 2 TDA7057AQ 3 1 I i I i I i I i maximum voltage gain 34 dB 1 7 22 kΩ 100 kΩ 1 µF maximum vol...

Page 11: ... 75 0 60 0 48 0 38 24 0 23 6 20 0 19 6 10 3 4 v 0 8 12 2 11 8 1 7 e2 5 08 2 4 1 6 Eh 6 2 00 1 45 2 1 1 8 3 4 3 1 4 3 DIMENSIONS mm are the original dimensions Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included 12 4 11 0 SOT141 6 0 5 10 mm scale Q j 0 25 w 0 03 x D L E A c A2 m L3 Q w M bp 1 d D Z e 2 e e x h 1 13 j Eh non concave view B mounting base side 95 03 11 97 ...

Page 12: ...of the package below the seating plane or not more than 2 mm above it If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds If the bit temperature is between 300 and 400 C contact may be up to 5 seconds DEFINITIONS LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances devices or systems where malfunction...

Page 13: ...1998 Apr 07 13 Philips Semiconductors Product specification 2 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ NOTES ...

Page 14: ...1998 Apr 07 14 Philips Semiconductors Product specification 2 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ NOTES ...

Page 15: ...1998 Apr 07 15 Philips Semiconductors Product specification 2 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ NOTES ...

Page 16: ...tates 811 East Arques Avenue SUNNYVALE CA 94088 3409 Tel 1 800 234 7381 Uruguay see South America Vietnam see Singapore Yugoslavia PHILIPS Trg N Pasica 5 v 11000 BEOGRAD Tel 381 11 625 344 Fax 381 11 635 777 For all other countries apply to Philips Semiconductors International Marketing Sales Communications Building BE p P O Box 218 5600 MD EINDHOVEN The Netherlands Fax 31 40 27 24825 Argentina se...

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