[volt-nuts] Homebrew DVM

[m k]

Hi,

I have not built one yet, but it seems to be one of a very few that goes beyond 24 bits.

MK

> From: Andreas_-_Jahn at t-online.de
> To: volt-nuts at febo.com
> Date: Thu, 10 Nov 2011 23:48:10 +0100
> Subject: Re: [volt-nuts] Homebrew DVM
> 
> Hello MK,
> 
> did you already build a real cirquit with the LTC2440?
> It has a differential input 2.5+/-2.5V for bridge measurement cirquits like 
> weight scales.
> So I think it will be difficult to get a unipolar 0..5V measurement out of 
> this device without resistive divider.
> 
> Which buffer cirquits do you use to feed the low-impedant (capacitive) 
> inputs?
> 
> With best regards
> 
> Andreas
> 
> ----- Original Message ----- 
> From: "m k" <m1k3k1 at hotmail.com>
> To: <volt-nuts at febo.com>
> Sent: Thursday, November 10, 2011 10:50 PM
> Subject: Re: [volt-nuts] Homebrew DVM
> 
> 
> >
> > Hi Rob,
> > It was the LTC 2440 and 2442.
> >
> >> Date: Thu, 10 Nov 2011 22:36:10 +0100
> >> From: rob.klein at smalldesign.nl
> >> To: volt-nuts at febo.com
> >> Subject: Re: [volt-nuts] Homebrew DVM
> >>
> >> Op 10-11-2011 20:39, m k schreef:
> >> > Hi Rob, Try the LTC2441
> >>
> >> Ehm, a search on LTC's website for "LTC2441" returns this:
> >>
> >> Your search - *ltc2441* - did not match any documents.
> >> No pages were found containing *"ltc2441"*.
> >>
> >> No 8.5Hz, 26-bit converter shows up in the parametric search, either.
> >>
> >>
> >> - Rob.
> >>