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TMDS181: AC-coupled connection by this device.

teritama
Expert 2390 points

Part Number: TMDS181

Hi team

In schematic checklist of this device, it is connected by AC-coupling in figure.1.

I think this device supports DC-coupled input.

Is it possible for this device AC-couple connect?

best regards

teritama

  • 0
    TI__Guru**** 183501 points

    Teritama

    Figure 1 in the TMDS181 schematic checklist is for interfacing the TMDS181 DC-coupled output to an input that requires to be AC-coupled.

    The TMDS181 input can be AC-coupled but not recommended. In the case of AC coupling the TMDS181 input, the input voltage would then become 3.3V + Vswing so the input voltage exceed TMDS181 absolute spec.

    For AC-coupled input, I would recommend DP158 or DP159.

    Thanks

    David