Reading (ADC) negative current

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  1. - 21st November 2006, 13:45 #4
    mat janssen's Avatar
    mat janssen
    mat janssen is offline Member
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    I will draw something today and post it here.
    Here is a drawing. The 10K and 3K3 resistors placed near the currentmeasuring resistor is for bringing the common mode voltage under the supply voltage.
    If this is still too high, then lower the 3K3 resistors in value and rase the value of the feetback resistors of the oppamp (47K).
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    Last edited by mat janssen; - 21st November 2006 at 14:58.
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