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DP83867IR: DP83867IR

Oded Globerman
Prodigy 230 points
Part Number: DP83867IR

Hi

We planing to use  DP83867IR with RJ45+magnetic  wurth 7499111121A.

7499111121A use on the cable line transformer with internal connection to VCC . At your refrance you use transformer  with external termination to Capacitor and GND

Can we use 7499111121A connector

Which VCC we should connect to the middle termination? 

  • 0
    TI__Mastermind 19780 points
    Hi Oded,

    The Wurth 7499111121A is not suitable for use with the DP83867 because it has all 4 center taps of the transformer on the same net. The DP83867 requires the 4 center taps to be on isolated nets as shown in figure 30 of the datasheet: www.ti.com/.../dp83867ir.pdf

    There is no connection to VCC required.

    If you would like an integrated magnetic jack, I can recommend the Wurth 7499111000A.

    Best Regards,