IC HA 1389

Pin Details of IC HA 1389

Functions : Sound driver and Audio output amplifier

Pin No. FunctionVoltage
1.Ground (-Ve)supply voltage 0
2.Audio frequency output(audio signal output to speaker) 12.3
3.Positive(+Ve)supply voltage(main supply voltage) 24
4.Supply voltage for audio output stage 24
5.Supply voltage for audio driver 23
6.Feedback(out to input)to improve sound quality 0.7
7.Capacitor(to minimise distortion) 1.3
8.Capacitor(to minimise distortion) 12
9.Audio signal input from sound IF section 0
10Audio driver ground 0

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