On Tue, 2004-01-20 at 12:43, Michael Rigby-Jones wrote:

> >Peter
>
> There is no internal reference per se.  The A/D converter either uses the
> supply rails as the reference, or external voltages applied to the Vref+ and
> Vref- pins.

Yes I see that now, I was misunderstanding the figure given
for the minimum difference between the two reference voltages.

Sorry !

D'OH !

Peter

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