PCM6181的DVDD接3.3V到AGND,DGND引脚悬空,不知道有什么影响?
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数字电压参考模拟地,很容易造成信号干扰,或者除了数字电压之外,其他数字电路部分呢?也是参考AGND吗?
不推荐这么做,数字电路参考数字地,模拟电路参考模拟地,防止信号串扰带来的问题。