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ADG888: Decoupling audio ground from power GND

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

audioswitch2.pdf
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  • Hello Sean,

    thank you for your answer, you're really a lovable person.

    So, an ADG4613 supplied with single rail +5V, can it accept bipolar signals through S1/D1, i.e. +/- 1.5V, is it not ??

    Is it easy to implement the following switching function by using ADG4613 ?

    Sincerely,

    max

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  • Hello Sean,

    thank you for your answer, you're really a lovable person.

    So, an ADG4613 supplied with single rail +5V, can it accept bipolar signals through S1/D1, i.e. +/- 1.5V, is it not ??

    Is it easy to implement the following switching function by using ADG4613 ?

    Sincerely,

    max

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