pic '877 ADC...PLease HELP !!

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  1. - 21st January 2008, 16:41 #5
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    Acetronics2
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    Hi, Steve

    There's something hurting me in the listing ...

    "
    Quanta CON 1251 ' For 10-bit A/D +Vref = 5V : 5V/1023*256=1.251=Quanta

    "

    shouldn't it be Quanta = 5v/ [b]1024[/b) * 256 ... ???


    That's what all my datasheets tell ... with 5v ref : "code 1023" is 4.99878 v ...

    Alain
    Last edited by Acetronics2; - 21st January 2008 at 16:50.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
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