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RS-422 Transceiver with extremely low input and output delay

Johnny Guo
Expert 4910 points
Other Parts Discussed in Thread: THVD1550

Hi, team,

My customer is looking for a RS-422 transceiver with very low input and output delay.

The competitor is ADM1485, with below DRIVER and RECEIVER tPLH and tPHL. I search on line but did not find a suitable device with smaller delay.

Could you help check it and reply to me?

Thanks.

Johnny

  • 0
    TI__Mastermind 25705 points

    prop THVD1550 HVD10 HVD78
    TX 16ns 16ns 15ns
    RX 45ns 25ns 35ns

    Johnny,

    Generally speaking, if a transceiver works with higher data rate, the less propagation delay it produces. Here is a summary of TI high speed RS485/422 transceivers. Please be aware that HVD10 and HVD78 are 3.3V devices and THVD1550 is a 5V device. You can also compare the threshold of the measurement. It might be set at different position. Please let me know if you have other questions.

    Regards,

    Hao

  • 0 in reply to Hao L
    TI__Expert 4910 points
    Thanks Hao.