On Fri, Apr 27, 2012, at 02:31 PM, alan smith wrote:
> 12bits of accuracy (18F2423) and yes the interface I believe needs to be
> high impedance.

Just to clarify, your interface having 20M input impedance is OK?

> Im leaning toward just having an opamp voltage follower on this

Yes that sounds reasonable. You might look towards one that is
specifically called a buffer.

Best regards,

Bob


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