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DS100BR410--Internally AC coupled?

Tom Gorski
Prodigy 10 points

Other Parts Discussed in Thread: DS100DF410

Tech specs and diagram on page 9 of datasheet suggest yes, but diagram on datasheet page 1 suggests that external interface caps are required.  Anybody know for sure?

  • 0
    TI__Prodigy 95 points

    Hi Tom,

    The DS100DF410 device does require AC coupling caps on both the inputs and the outputs. When used in SFP+ applications, the AC coupling cap is included in the cable, so the diagram doesn't have an extra cap called out. For most 64b/66b data types, a 100 nF cap is suggested for the AC coupling.

    Thanks,

    Nate Unger

    TI High Speed Applications Manager