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K66 ADC routing

Question asked by Kristian Solberg on Sep 25, 2018
Latest reply on Sep 25, 2018 by Hui_Ma

Hi.

 

I designing a split ground high gain PCB and want the ADC to measure a buffered signal on the far en of the analog ground.

 

I attached two drawings of how I can route the signal to the ADC. I'm not too concerned about the resolution or quality of the measured signal. But I'm very concerned about contaminating the high gain / high impedance analog circuit.

 

What would be the best approach? 

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