Is it possible to set the COM input to 2.5V, with the reference set to 4.096V?
This is to get an absolute input range of 0.5V to 4.5V.
Hi Damon Kelly,
The input channel [0:7] of the AD7682/AD7689 can be referenced to a common point from 0V to Vref/2. The maximum voltage allowed on the COM input is Vref/2+0.1 Going beyond this voltage, the AD7682 might not work properly.
You may also refer to a similar post below.
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