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AD215 output offset adjustment circuit

Question asked by wojtek2u on May 14, 2015
Latest reply on May 19, 2015 by harryh

The AD215 data sheet specifies the output offset as typical -35mV and max -80mV.

The description of the proposed output offset adjustment circuit (page 9) says that this circuit allows offset correction from 0 to 73mV (why not 80mV if it is max?). After analyzing the values of the components I think that the proposed circuit allows only 0 to 43mV ?

Would you agree that with Rs=100k, Rt=1M, Rp=10k and internal 33k resistor we have max 43mV range of compensation and not 73mV as mentioned in datasheet?

Regards

Wojtek

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