[time-nuts] AD5791 for EFC control ?
EWKehren at aol.com
EWKehren at aol.com
Sat Apr 20 15:59:24 EDT 2013
where did you find it for $ 8?
Bert
In a message dated 4/20/2013 3:48:08 P.M. Eastern Daylight Time,
paulswedb at gmail.com writes:
Looked up the DAC1220 and thats a very nice chip for ~$8.
Amazing 20 bit resolution and easy to hook up.
Regards
Paul
WB8TSL
On Sat, Apr 20, 2013 at 6:00 AM, <EWKehren at aol.com> wrote:
> the DAC1220 is definitely worth a second look. Two wire opto coupling
makes
> it even better. On my next PCB run there will be a test circuit. Thank
you
> for the hint.
> Bert Kehren
>
>
> In a message dated 4/19/2013 9:44:32 A.M. Eastern Daylight Time,
> herbert at 13thfloor.at writes:
>
> On Fri, Apr 19, 2013 at 09:20:05AM -0400, EWKehren at aol.com wrote:
> > As one of our digital loop projects we took a very, very close
> > look at it, but thought once you consider the application,
> > requirements of external references, its influence on
> > temperature performance and cost, a dithered 20 bit LTC 1655
> > held at 0.1 C is as good a solution.
>
> Texas Instruments has a number of precision DACs for a
> very reasonable price, for example the DAC1220 (20bit
> low power delta-sigma, ~8 USD) and precision voltage
> references to go with (e.g. REF5050, ~2 USD).
>
> best,
> Herbert
>
> > Have not actually tested a 5791 but I know some one that has
> > an evaluation board.
>
> > I will ask him to contact you off list
>
> > Bert Kehren
>
>
> > In a message dated 4/19/2013 7:22:16 A.M. Eastern Daylight Time,
> > phk at phk.freebsd.dk writes:
>
>
> > Has anybody tried using the AD5791 20bit DAC for EFC control ?
>
> > --
> > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> > phk at FreeBSD.ORG | TCP/IP since RFC 956
> > FreeBSD committer | BSD since 4.3-tahoe
> > Never attribute to malice what can adequately be explained by
> incompetence.
> > _______________________________________________
> > time-nuts mailing list -- time-nuts at febo.com
> > To unsubscribe, go to
> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> > and follow the instructions there.
>
> > _______________________________________________
> > time-nuts mailing list -- time-nuts at febo.com
> > To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> > and follow the instructions there.
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
More information about the time-nuts
mailing list