Philips TDA7056A manual

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Table of contents for the manual

  • Page 1

    DA T A SH EET Product specificiation File under Integrated Circuits, IC01 July 1994 INTEGRA TED CIRCUITS TDA7056A 3 W BTL mono audio output amplifier with DC volume control[...]

  • Page 2

    July 1994 2 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A FEA TURES • DC volume control • Few external components • Mute mode • Thermal protection • Short-circuit proof • No switch-on and off clicks • Good overall stability • Low power consumption • Low HF radia[...]

  • Page 3

    July 1994 3 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A Fig.1 Block diagram. handbook, full pagewidth positive input 7 MGA072 - 1 2 3 TD A7056A V P 5 6 I + i 8 I – i TEMPERA TURE PRO TECTION 4 signal ground DC volume control 1 n.c. positive output negative output power ground[...]

  • Page 4

    July 1994 4 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A FUNCTIONAL DESCRIPTION The TDA7056A is a mono BTL output amplifier with DC volume control, designed for use in TV and monitor but also suitable for battery-fed portable recorders and radios. In conventional DC volume circu[...]

  • Page 5

    July 1994 5 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A CHARACTERISTICS V P = 12 V ; f = 1 kHz; R L = 16 Ω ; T amb = 25 ° C; unless otherwise specified (see Fig.6) Notes to the characteristics 1. With a load connected to the outputs the quiescent current will increase, the [...]

  • Page 6

    July 1994 6 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A Fig.3 Gain as a function of DC volume control. handbook, halfpage MGA075 40 – 80 20 – 20 – 40 0 0 1.2 2.0 0.4 1.6 0.8 V (V) 5 gain (dB) – 60 Fig.4 Noise output voltage as a function of DC volume control. handbook, [...]

  • Page 7

    July 1994 7 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A APPLICA TION INFORMA TION Fig.6 Test and application diagram. (1) This capacitor can be omitted if the 220 µ F electrolytic capacitor is connected close to pin 2. handbook, full pagewidth positive input 5 k Ω 0.47 µ F [...]

  • Page 8

    July 1994 8 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A P ACKAGE OUTLINE UNIT A A max. 2 A 3 b 1 D 1 b 2 bc D (1) E (1) Z max. (1) eL P P 1 q 1 q 2 q REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 18.5 17.8 3.7 8.7 8.0 A 4 15.8 15.4 1.40 1.14 0.67 0[...]

  • Page 9

    July 1994 9 Philips Semiconductors Product specificiation 3 W BTL mono audio output amplifier with DC volume control TDA7056A 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. However, wav[...]