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CDCM6208: VCM-AC and VCM-DC

Shunsuke Yamamoto
Expert 7661 points
Part Number: CDCM6208

Hi team,

Could you please teach me what VCM-AC and VCM-DC are?

Best regards,

Shunsuke Yamamoto

  • +1
    TI__Genius 10985 points

    Hello Shunsuke,

    VCM-AC is the common-mode voltage of AC-coupled outputs. The signal will swing around this voltage, having the common-mode voltage serving as the "middle of the signal." For instance, in the bottom figure, the common-mode voltage would be V_ID/2. The VCM-DC has the same description, it just is for DC-coupled outputs. Hope this helps!

    Best,

    Andrea