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TCAN1042H: TJA1040

Kai Hsiao
Guru 12675 points
Part Number: TCAN1042H
Other Parts Discussed in Thread: SN65HVD1040

HI Sir 

I would like to use TCAN1042 to replace TJA1040 ,but TJA1040 pin5 is the same with SN65HVD1040 and have SPLIT pin 

May I know what's condition have to use SPLIT pin ? or in this moment ,most of application doesn't need to use SPLIT pin ?

Thanks 

  • 0
    TI__Guru 69652 points
    Kai,

    The SPLIT pin function is to drive the common-mode recessive level on the CAN bus, as a means to stabilize this level, helping with any minor deviations. The main purpose for this is to help with any electromagnetic noise the device may emit during operation. The TCAN1042 and other devices in our TCAN family have been improved in several ways, one of them being electromagnetic compliance, and are able to pass certification for emissions without the SPLIT pin. This has driven the decision to not include the SPLIT pin on our future devices.

    What exactly is the application in this case?

    Regards,