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TPA3220: 增益如何设置为20dB?

Part Number: TPA3220
Other Parts Discussed in Thread: TPA3116D2

用TPA3116设计的功放板,需要用TPA3220替代。在替代中,需要保持功放增益跟3116一致。原先3116功放板的增益是20dB,但3220只有18dB和24dB增益,是否可以通过电阻调节设置为20dB增益呢?如果可以,主模式和从模式电阻分别是多少?