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AMC1301: AMC1301 OUTPUT have 0.6V issue

Lawrence He
Expert 2980 points
Part Number: AMC1301

Hi, Support Team

We have a question if  VRb=0V, and we find output offset have 0.6v?  is normal?

schematic:

if any suggestion, Please advise me.

Thanks,

Best regards,

Lawrence

  • 0
    TI__Guru 50921 points

    Hi Lawrence,

    No, this would not be considered normal as the input offset voltage is specified to be 0.2mV (max) input referred or 1.64mV referred to the output. 

    Do you mean "V_A" = 0V when you say VRb = 0V?

    Is the R3' resistor, R56 installed? 

    What are the outputs connected to off picture in the schematic?