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  1. Replies
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    Well, i haven't used it exactly like this in...

    Well, i haven't used it exactly like this in exactly this application, but yes, i have used an AD like this. This is one of the reasons why there is the possibility to use external Vrefs.
    It's...
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    56,909

    If you choose a Pic that has the capability to...

    If you choose a Pic that has the capability to use external Vref you can get about twice the resolution(above 15V). Put a 50/50 voltagedivider(2.5V) on Vref-, feed it with Vdd. Connect Vref+ to Vdd....
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    56,909

    I'd say that it is 2^16(65536) that is the right...

    I'd say that it is 2^16(65536) that is the right value to use but that's not really important since the error we're talking about is 0,0015%. Your resistors and ADreference will produce a far greater...
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    Bill, you mention that you had to use FP to...

    Bill, you mention that you had to use FP to calculate, that's not necessary. You can save a lot of time and codespace by using ** instead. This operator makes your multiplication and an "invisible"...
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