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Remove Offset of xmega adc

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9 years 10 months ago #1175 by saleh
Remove Offset of xmega adc was created by saleh
Hi
I have question please answer
How you remove adc offset of xmega? I worked hard to build my own DAQ but the offset always vary when micro power up. I use Diff mode and connect neg input to ground.

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9 years 10 months ago #1178 by ganzziani
Replied by ganzziani on topic Re:Remove Offset of xmega adc
I perform offset compensation. I read the offset from the ADC when there is no signal during calibration, then I subtract this during normal operation.

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