Published:2011/6/10 1:29:00 Author:Seven | Keyword: sound circuit | From:SeekIC
Pin functions and reference voltage of TDA7057: 1-pin:0~1v----DC sound volume control 12-pin:0v----empty3-pin:2v----input 14-pin:19v----power supply5-pin:2v----input 26-pin:0v----signal GND7-pin:0~1v--DC sound volume control 28-pin:8.6v----positive output 29-pin:0v----power amplifier GND 210-pin:8.6v----negative output 111-pin:8.6v----negative output 212-pin:0v----power amplifier GND13-pin:8.6v----positive output 1
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