> WHAT if you want some of your A/D inputs to be between 0-1.5 volts, but
the
> others to be between 0-5 volts?

You have to use 0-5V Vref range and the 0-1.5V input signal only results in
0 to about 300 A/D values.  By the way, the Vref range must be at least 2V
for the A/D specs to be valid.


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