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Sep 02, 2013
08:38 AM
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Sep 02, 2013
08:38 AM
Hello,
Does anyone know the order of magnitude of the analog input channels?
The data sheet is a bit confusing :confused:
thanks
regards
Ernesto
Does anyone know the order of magnitude of the analog input channels?
The data sheet is a bit confusing :confused:
thanks
regards
Ernesto
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- IFX
5 Replies
Sep 02, 2013
08:27 PM
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Sep 02, 2013
08:27 PM
Hi erni, Please see attachment..
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Sep 03, 2013
04:45 AM
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Sep 03, 2013
04:45 AM
Thanks Travis, I suppose it's the ON resistance of th input path, isn't it?
regards
regards
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Sep 03, 2013
06:08 AM
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Sep 03, 2013
06:08 AM
Sorry, may be I wasn't clear enough.
I mean what is the "input bias current" for an ADC channel, because we see a consumption of about 15mA,
and that value doesn't correspond with any parameters of the data sheet.
regards
Ernesto
I mean what is the "input bias current" for an ADC channel, because we see a consumption of about 15mA,
and that value doesn't correspond with any parameters of the data sheet.
regards
Ernesto
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Sep 03, 2013
08:03 AM
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Sep 03, 2013
08:03 AM
What's your sample time? I.e. how long does your measurement take and how much time is between measurements?
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Sep 03, 2013
02:02 PM
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Sep 03, 2013
02:02 PM
I think we found the problem, it was a faulty zener that leakaged the current before the ACD channel.
Thanks to all.
regards
Thanks to all.
regards