[time-nuts] Tbolt temperature sensor

Ulrich Bangert df6jb at ulrich-bangert.de
Sat Feb 7 09:49:50 UTC 2009


in this case the DS1620 may perhaps be exchanged against a DS18S20 which
definitely supports the high res reading. Bought chips & programmed for
them at the end of last year.

Best regards
Ulrich Bangert

> -----Ursprüngliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Mark Sims
> Gesendet: Samstag, 7. Februar 2009 05:02
> An: time-nuts at febo.com
> Betreff: [time-nuts] Tbolt temperature sensor
> I got some info back from Maxim on the DS1620.  The rev D 
> chips use the dual oscillator design described in the data 
> sheet.  The rev E chips are based on a temperature 
> compensated bandgap design.   
> The high resolution read routine is based upon reading 
> counter values and residuals...  it's beginning to look like 
> the newer chips don't do it...  I've got more questions to 
> ask Maxim... 
> _________________________________________________________________
> Windows Live™: Keep your life in sync. 
> http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t1_allup_expl
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to
and follow the instructions there.

More information about the time-nuts mailing list