Am Freitag, 23. November 2007 11:28 schrieb Rob Conway: > Just wondering if anybody else has used the DS2450 for a long time. I am > using one of these A/D's and I have found that after a while ~6-8 months > all channels have a ~0.3 volt offset from zero. ie all 4 channel readings > go up by ~.3 volts. Its like the chips internal reference voltage somehow > gets screwed up. It's happened twice now over the last 18 months. The > voltage being measured by the inputs are isolated voltages and I have > placed a cap across the inputs. > Then, how about the ground potential? How did you power-cycle you device -- pulling and plugging a connector?
Kind regards
Jan
--
Zero Defects, n.:
The result of shutting down a production line.
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