Quote Originally Posted by iw2fvo View Post
I have in mind to put the PIC ADC " -REF " to 3.75 Vdc and the ADC " +REF" to 5Vdc.
The maximum VREF- is (VREF+ -2.0V). So with VREF+ at 5V, VREF- can be 3.0V MAX.

I'll add the option to the calculator later tonight and see what happens.
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