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input offset for opamp

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surianova

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hi all!

what is the best way to measure the input offset of the opamp for CMOS ?
 

Same like any other opamp. Set high gain with two precision resistors and measure output for 0 input.
 

Sinisa said:
Same like any other opamp. Set high gain with two precision resistors and measure output for 0 input.
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if the opamp input is nmos, set the input voltage to 0v, definitely the the opamp is off.
 

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