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Feb 23, 2018
02:58 AM
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Feb 23, 2018
02:58 AM
Dear all,
i want to measure current in the bridge through CSA in tle9879.
the shunt resistance is 0.005 ohm and my current range is 0.1A to 4A(expected).
So potential drop across shunt resistance may vary from 0.5mV to 0.02V.
How to select gain and offset for CSA!!
I have tried to calculate offset as follows.
is it correct?
And when I read ADC value in adc1-ch1, I see a garbage number!!!
Regards
SK
i want to measure current in the bridge through CSA in tle9879.
the shunt resistance is 0.005 ohm and my current range is 0.1A to 4A(expected).
So potential drop across shunt resistance may vary from 0.5mV to 0.02V.
How to select gain and offset for CSA!!
I have tried to calculate offset as follows.
is it correct?
And when I read ADC value in adc1-ch1, I see a garbage number!!!
Regards
SK
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