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TPA3116信号输入配置问题?



1,TPA3116使用普通BTL模式,拿其中一个声道来讲,在耦合电容前面的模拟音频信号(单端),可以有5V的直流偏置吗?那配合单端的地信号也应该偏执5V吗?

2,假设TPA3116配置成PBTL模式,一组信号全部接地,另外那组输入的音频信号必须是差分信号吗?单端+地组成的伪差分能行吗?有什么差别?