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Philips TDA7057AQ manual

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Table of contents for the manual

  • Page 1

    DA T A SH EET Product specification Supersedes data of 1997 July 15 File under Integrated Circuits, IC01 1998 Apr 07 INTEGRA TED CIRCUITS TDA7057AQ 2 × 8 W stereo BTL audio output amplifier with DC volume control[...]

  • Page 2

    1998 Apr 07 2 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ FEA TURES • DC volume control • Few external components • Mute mode • Thermal protection • Short-circuit proof • No switch-on and switch-off clicks • Good overall stability • Low power consumption [...]

  • Page 3

    1998 Apr 07 3 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth MSA714 I i I i Ι STABILIZER TEMPERATURE PROTECTION V ref 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 connec[...]

  • Page 4

    1998 Apr 07 4 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ PINNING SYMBOL PIN DESCRIPTION VC1 1 DC volume control 1 n.c. 2 not connected V l (1) 3 voltage input 1 V P 4 positive supply voltage V l (2) 5 voltage input 2 SGND 6 signal ground VC2 7 DC volume control 2 OUT2+ [...]

  • Page 5

    1998 Apr 07 5 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ LIMITING V ALUES In accordance with the Absolute Maximum Rating System (IEC 134). THERMAL CHARACTERISTICS Power dissipation Assume V P = 12 V and R L =1 6 Ω . The maximum sine wave dissipation is 2 × 1.8 W = 3.[...]

  • Page 6

    1998 Apr 07 6 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ CHARACTERISTICS V P =1 2V ; T amb =2 5 ° C; f i = 1 kHz; R L =1 6 Ω ; unless otherwise specified (see Fig.13). Notes 1. With a load connected to the outputs the quiescent current will increase, the maximum val[...]

  • Page 7

    1998 Apr 07 7 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ Fig.3 Quiescent current as a function of supply voltage. handbook, halfpage 04 2 0 V P (V) 40 30 10 0 20 MBG672 81 21 6 I q (mA) Fig.4 THD as a function of output power. (1) R L =1 6 Ω . (2) R L =8 Ω . handboo[...]

  • Page 8

    1998 Apr 07 8 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ Fig.7 Total worst case power dissipation as a function of supply voltage. (1) R L =8 Ω . (2) R L =1 6 Ω . handbook, halfpage 02 0 15 5 0 10 MBG677 4 8 12 16 P d (W) V P (V) (2) (1) Fig.8 Voltage gain as a func[...]

  • Page 9

    1998 Apr 07 9 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ Fig.11 Input signal handling. THD = 1 %. handbook, halfpage 02 0 V P (V) V in (V) 2.0 0 0.4 MBG665 0.8 1.2 1.6 4 8 12 16 Fig.12 Volume control current as a function of volume control voltage. handbook, halfpage 0 [...]

  • Page 10

    1998 Apr 07 10 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ Fig.13 Test and application diagram. (1) This capacitor can be omitted if the 220 µ F electrolytic capacitor is connected close to pin 5. (2) R L =1 6 Ω . handbook, full pagewidth MBG679 13 11 TEMPERATURE MCL [...]

  • Page 11

    1998 Apr 07 11 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ P ACKAGE OUTLINE UNIT A e 1 A 2 b p cD (1) E (1) Z (1) de D h LL 3 m REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 17.0 15.5 4.6 4.2 0.75 0.60 0.48 0.38 24.0 23.6 20.0 19.6 10 3.4 v [...]

  • Page 12

    1998 Apr 07 12 Philips Semiconductors Product specification 2 × 8 W stereo BTL audio output amplifier with DC volume control TDA7057AQ SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. Ho[...]

  • 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

    Internet: http://www.semiconductors.philips.com Philips Semiconductors – a worldwide company © Philips Electronics N.V. 1998 SCA59 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or cont[...]