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ADG888: Decoupling audio ground from power GND

Question asked by massimo on Oct 10, 2012
Latest reply on Nov 16, 2012 by seanbrown

Dear all,

 

 

the following schematic is for processing signals from/to different audio sources.

It uses a couple of ADG888 for the audio switching function, and a simple debouncer (MAX6816) to have a better control.

 

 

The question: is it better to keep the audio ground line separated from the main power supply GND ? Or is it mandatory?

 

 

Thank you for your idea!

M

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