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PCM1808 右声道输入信号超过3Vpp,左声道会被干扰

Other Parts Discussed in Thread: PCM1808

PCM1808选择的模式是Master mode(256fs),I2S 24bit;

当右声道输入信号超过3Vpp时,左声道会被干扰。

当右声道输入信号没有超过3Vpp时,左声道不会被干扰。

如果把超过3Vpp输入信号连接左通道,则右通道也会出现干扰

请问大家怎么处理这种情况?