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, <ewkeh...@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, > herb...@13thfloor.at writes: > > 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. > > _______________________________________________ > 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.