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DP83822I: Inquiry Regarding MEDIA DEPENDENT INTERFACE Connection of DP83822

Kyohei
Expert 2956 points

Part Number: DP83822I

Hi team,

My customer is currently considering a configuration in which the MEDIA DEPENDENT INTERFACE of the Ethernet PHY DP83822 is connected via PCB routing to an Ethernet switch device.

I apologize for the broad nature of the question, but if there are any points of caution or recommendations to keep in mind when implementing such a configuration, I would greatly appreciate your guidance.

Best regards,
Kyohei Yabana

  • +1
    TI__Guru**** 191321 points

    Yabana-san

    The DP83822 can support either transformer or transformer-less coupling.

    For transformer coupling, please see below implementation block diagram and transformer electrical spec.

    For transformer-less coupling, please see below for the implementation block diagram and this app note.

    Thanks

    David