Hi,
I have been using the AD on a 16f877A with no problems till now , but at the present , in order to change the AD resolution , I need to use the Vref- ( 0 is will not be zero /Vss , but will be 1.8v …) As so , I have been wandering around for a good stabilised Vref of 1.8 to connect to my Vref - ….Any suggestion , advices ? Any good and cheap IC you have been using to get similar V ref outputs?
Note: as you know the standard V divisor using R is really not good, fluctuates a lot, so this hint is out of the deck ;-) .
Thanks for any help!
Regards,
Jorge
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