On Fri, Apr 19, 2013 at 09:20:05AM -0400, ewkeh...@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, > p...@phk.freebsd.dk writes: > Has anybody tried using the AD5791 20bit DAC for EFC control ? > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > p...@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@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@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@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.