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LMK1D1204: CML input

Kei Kuwahara
Expert 6580 points
Part Number: LMK1D1204

Tool/software:

Hello team,

Would it be possible to show me the example of AC-coupled CML input to LMK1D1204?

It doesn't show on datasheet.

Best Regards,
Kei Kuwahara

  • +1
    TI__Expert 4920 points

    Hello Kuwahara-san,

    Assuming your CML driver has an internal pull-up to Vcc, AC coupling the CML input will require you to configure the input to the LMK1D1204 exactly like in Figure 9-4 in the datasheet:

    If your CML driver does not have an internal pull up to Vcc, that will be necessary to add to each trace before the AC coupling caps. 

    Thanks,

    Michael