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SN65HVD1050A-Q1: Vref Floating

Cedrick
Expert 8270 points
Part Number: SN65HVD1050A-Q1
Other Parts Discussed in Thread: TCAN1051-Q1

Hi,

Good day. I hope you are doing fine.

Our customer is using the SN65HVD1050A-Q1 and they want to know if they can left the Vref pin floating. Will it work?
I hope you could help us on this. Thank you.


Regards,

Cedrick



  • 0
    TI__Mastermind 24205 points

    Cedrick,

    Thanks for reaching out. The VREF (aka "split") pin is an output, so leaving it floating should not inhibit the device's operation.

    Has the customer considered the TCAN1051-Q1? While this is not an identical replacement to the SN65HVD1050A-Q1, it is a newer technology that has very similar operation with higher ESD, bus fault, and data rate. It is also ISO 7637 qualified for EMC, and it lacks the VREF/SPLIT pin that the customer does not plan to implement (it is replaced with a no-connect).

    Best,

    Danny

  • 0 in reply to Danny Bacic
    TI__Expert 8270 points

    Hi Danny,

    Thank you for your answer.

    Just to confirm, so they can use the SN65HVD1050A-Q1 without any problem while the Vref is floating. Right?


    Regards,

    Cedrick

  • 0 in reply to Cedrick
    TI__Mastermind 24205 points

    Cedrick,

    The VREF pin is an output that the designer is able to disregard if it is unwanted.

    Best,

    Danny