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INTEGRATED CIRCUITS
DATA SHEET
TDA7057AQ
2 × 8 W stereo BTL audio output
amplifier with DC volume control
1998 Apr 07
Product specification
Supersedes data of 1997 July 15
File under Integrated Circuits, IC01
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control FEATURES GENERAL DESCRIPTION • DC volume control The TDA7057AQ is a stereo BTL output amplifier with DC volume control. The device is designed for use in TVs and • Few external components monitors, but is also suitable for battery-fed portable • Mute mode recorders and radios. • Thermal protection Missing Current Limiter (MCL) • Short-circuit proof • No switch-on and switch-off c
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control BLOCK DIAGRAM V P handbook, full pagewidth 4 TDA7057AQ I i 13 positive 3 input 1 output 1 DC volume 1 Ι control 1 I i 11 negative output 1 TEMPERATURE STABILIZER V PROTECTION ref I i 10 negative 5 input 2 output 2 DC volume 7 ΙΙ control 2 I i 8 positive output 2 2 6 12 9 MSA714 not signal power power connected ground ground 1 ground 2 Fig.1 Block diagram. 1998 Ap
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control PINNING SYMBOL PIN DESCRIPTION handbook, halfpage VC1 1 DC volume control 1 VC1 1 n.c. 2 not connected n.c. 2 V 3 voltage input 1 l (1) V I (1) 3 V 4 positive supply voltage P V 4 P V 5 voltage input 2 l (2) V I (2) 5 SGND 6 signal ground 6 SGND VC2 7 DC volume control 2 OUT2+ 8 positive output 2 VC2 7 TDA7057AQ PGND2 9 power ground 2 OUT2 8 OUT2- 10 negative output 2 PGND2 9 OUT
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT V supply voltage - 18 V P I repetitive peak output current - 1.25 A ORM I non-repetitive peak output current - 1.5 A OSM P total power dissipation T <60 °C - 22.5 W tot case T operating ambient temperature - 40 +85 °C amb T storage temperature - 55 +150 °C s
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control CHARACTERISTICS V =12V;T =25 °C; f = 1 kHz; R =16 Ω; unless otherwise specified (see Fig.13). P amb i L SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT V voltage supply 4.5 - 18.5 V P I total quiescent current V = 12 V; R = ∞; note 1 - 22 25 mA q(tot) P L Maximum gain; V ≥ 1.4 V 1,7 P output power THD = 10%; R =16 Ω 3.0 3.5 - W o L THD = 10%; R =8Ω- 5.3 - W L THD=10%; R =8Ω; - 8 -
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control MBG672 MBG675 40 12 handbook, halfpage handbook, halfpage I q THD (mA) (%) 30 8 (1) (2) 20 4 10 0 0 - 2 - 1 04 812 16 20 10 10 1 10 P (W) out V (V) P (1) R =16 Ω. L (2) R =8 Ω. L Fig.3 Quiescent current as a function of supply voltage. Fig.4 THD as a function of output power. MBG676 MBG674 12 10 handbook, halfpage handbook, halfpage THD P o (%) (1) 8 (W) (2) 8 6 4 4 2 (1) (2) 0
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control MBG667 MBG677 80 15 handbook, halfpage handbook, halfpage G v (1) (dB) P d 40 (W) 10 0 (2) - 40 5 - 80 - 120 0 0 0.4 0.8 1.2 1.6 2.0 02 4 8 12 160 V (V) V (V) P VC (1) R =8 Ω. L (2) R =16 Ω. L Fig.7 Total worst case power dissipation as a Fig.8 Voltage gain as a function of volume control function of supply voltage. voltage. MBG678 MBG663 1 0 handbook, halfpage handbook, halfpage
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control MBG665 MBG666 2.0 30 handbook, halfpage handbook, halfpage I VC V in (μA) (V) 20 1.6 10 1.2 0 0.8 - 10 0.4 - 20 0 - 30 02 4 8 12 160 0 0.4 0.8 1.2 1.6 2.0 V (V) P V (V) VC THD = 1 %. Fig.12 Volume control current as a function of Fig.11 Input signal handling. volume control voltage. For single-end applications the output peak current must APPLICATION INFORMATION not exceed 100 m
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control handbook, full pagewidth V = 12 V P (1) 220 μF 100 nF 4 TDA7057AQ 13 + 470 nF I + i 3 input 1 1 (2) R = 5 kΩ s I - i 11 - TEMPERATURE STABILIZER MCL PROTECTION 10 - 470 nF I - i 5 input 2 7 (2) I + i DC- 8 volume + R = 5 kΩ s 6 9 12 signal power ground ground V = 12 V P 100 kΩ volume volume control control 1, 7 1, 7 maximum voltage maximum voltage gain 34 dB gain 40 dB 1 μF 1 MΩ
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control PACKAGE OUTLINE DBS13P: plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm) SOT141-6 non-concave D h x D E h view B: mounting base side d A 2 B j E A L 3 L Q c v M 113 e m e w M Z 1 2 b p e 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) (1) (1) (1) UNIT A A b cDdeD E e e E j LL m Q v w x Z 2 p h 1 2 h 3 17.0 4.6 0.75 0.48 24.0 20.0 12.2 3.4 12.4 2.4 2.1
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control SOLDERING The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the Introduction specified maximum storage temperature (T ). If the stg max printed-circuit board has been pre-heated, forced cooling There is no soldering method that is ideal for all IC may be necessary immediately after soldering to keep the packages. Wave solde
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control NOTES 1998 Apr 07 13
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control NOTES 1998 Apr 07 14
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Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier TDA7057AQ with DC volume control NOTES 1998 Apr 07 15
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Philips Semiconductors – a worldwide company Argentina: see South America Middle East: see Italy Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Tel. +31 40 27 82785, Fax. +31 40 27 88399 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND, Fax. +43 160 101 1210 Tel. +64 9 849 4160, Fax. +64 9 849 7811 Belarus: Hotel Min
