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SN65HVD251-Q1: what's the Vref function and how to use it?

Alpha Han
Expert 3750 points
Part Number: SN65HVD251-Q1

Hi, Team:

My customer Alpine is using SN65HVD251-Q1 and like to understand what's the vref function and how to use it.

I can't find such information in datasheet.

  • 0
    TI__Guru 59872 points
    Alpha,

    The Vref pin is an output that's specified to be half of VCC with very limited output current capability. This pin is meant to serve the same function as the SPLIT pin on other CAN devices, driving a common-mode signal to give more stability and noise immunity to the CAN bus signals at the recessive level.

    Please let me know if you have any other questions or concerns.

    Regards,