[volt-nuts] Homebrew DVM
m1k3k1 at hotmail.com
Thu Nov 10 19:39:03 UTC 2011
> Date: Thu, 10 Nov 2011 17:24:02 +0100
> From: rob.klein at smalldesign.nl
> To: volt-nuts at febo.com
> Subject: Re: [volt-nuts] Homebrew DVM
> Op 10-11-2011 16:51, Poul-Henning Kamp schreef:
> > Do you mean 8.5 digits single-shot, or 8.5 digits with averaging ?
> > Considering that you can get off-the shelf ADC's where 24 bit is routine
> > and 26 bits available, I'm not sure I'd bother...
> > http://ohh.de/5610.htm
> Oooh, gorgeous!
> Where do I buy one and what does it cost?
> - Rob.
Try the LTC2441, 8.5 hz updates at about 26 bits with pretty good linearity.
Most of the "24 bit" DAC are only really good for about 20-22 bits due to noise and non-linearity.
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