ADC input buffering?

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Duxthe1

Joined Sep 27, 2008
9
Did a search and couldn't find a good answer. I'm using a PIC18lf2525 device and want to inquire about buffering the ADC input. I'm thinking to use an op-amp in a unity gain configuration. Is there a better way to buffer the ADC and if not can somebody recommend a good op-amp that will work well with a 5v+ power supply and a 0-1v signal with an approx. 1hz cycle? Also any recomendation for a circuit to get a unity gain with little error?
 
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