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AMC1311: Vin common mode range

Victoria Qin
Prodigy 630 points
Part Number: AMC1311
Other Parts Discussed in Thread: AMC1302,

Hi experts,

Here is Vcm in AMC1302 description. But I couldn't find Vcm range in AMC1311 datasheet. Could you help me understand why we don't have Vcm spec in voltage sensing amplifier? What's the Vcm difference in voltage sensing and current sensing system? 

Thanks.

Victoria

  • 0
    TI__Guru**** 163205 points

    Hi Victoria,

    The AMC1302 has a differential input and differential output which is why you see both Vcm input and output specifications.  The AMC1311 has a single ended input and differential output, so there is no Vcm input specification, only Vcm output.