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Analog input on OP7200

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Please help me to solve this problem.

I use OP7200 to input analog signal, but the voltage is not correct.

Will be more 0.060v when plug wire in, although no signal.

So, I try to use "adrd_se_ch.c" to check voltage for analog Pin that no wire plug in.

All have value from 0.020v to 0.025v... I think it must be Zero, since no signal in.

Please help & give me an advice.

asked Oct 5 in Rabbit Software by Rett New to the Community (0 points)

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