AD relosution for Pitch CV.

[patchell]

"Aaron J. Grier" wrote:

> On Wed, Oct 18, 2000 at 06:38:19AM -0700, Jim Patchell wrote:
> >     8 bits would be a bare minimum.  12 bits, I would feel would be the
> > most useful.  If you really want to get down to the nitty gritty, the 24
> > bit delta sigma converters are probably the ultimate :-), but that is
> > probably going over board a little bit.
>
> don't sigma delta convertors need "noise" or some kind of constantly
> changing signal to avoid developing a DC offset?  or is that only the
> outputs?
>

    Don't know about that.  But Crystal Semiconductor at one time had a 24 bit
converter with a fairly low sample rate (in the 100's of Hz range if I
remember correctly) that was designed to take the place of dual slope
converters.

>
> --
>   Aaron J. Grier | "Not your ordinary poofy goof." | agrier at poofygoof.com
>     "[N]ow would be a great time for record companies to start releasing
>        everything on vinyl."  --  David Wolf, regarding mp3 pirating

--
 -Jim
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