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Original question:

[FAQ] What're the recently released RS-485 transceivers in TI?

What're the recently released RS-232 transceivers in TI

Cyril Vidal
Prodigy 100 points
Other Parts Discussed in Thread: THVD1429, TRS3122E, SN65C3223E, TRS3232E

Hi,

There is a very good topice about "What're the recently released RS-485 transceivers in TI". Is it possible a have the same answer but for RS232 tranceivers ?

I have to make 4 RS232 / RS485 on my board, is mulitoprotocol tranceiver a good choose if i have no problem with total footprint needed ?

Thanks ! 

  • 0
    TI__Guru 62910 points

    Hello,

    While there are currently no single chip solutions from TI including both RS485 and RS232, it is possible to implement this with multiple transceivers. Is your RS232 port comprised of two transmit channels and two receive channels? At what baud rate would you need to operate?

    Regards,

    Max

  • 0 in reply to Miguel Robertson
    Prodigy 100 points

    Hi Max,

    Thanks for your 1rst reply.

    I need 2 transmit chnnels and two receive channels. Concerning Baud rate : 115K is enough. 

    So wich part do you recommand ? Emc immunity can be an important criteria & small package too.

    I already choose the rs485 transceiver thanks to  : RS-485 Hero Device Flyer.pdf & Recommended New RS-485 parts for Replacement and Upgrade.xlsx

    I selected the THVD1429

  • 0 in reply to Cyril Vidal
    Prodigy 100 points

    Hi,

    So what is our advice concerning the most uptodate RS232 tranceiver ?

    Thanks

  • 0 in reply to Cyril Vidal
    TI__Guru 62910 points

    Hi Cyril,

    You could take a look at TRS3232E, which can operate from either 3.3 V or 5 V, supports baud rates up to 250 kbps, and has a high level of internal ESD protection which can be useful for external ports.  If you wanted a transceiver with additional shutdown modes, you could look into something like SN65C3223E.  Or, if you would like operation at VCC = 1.8 V or 4 mm x 4mm QFN package support you could consider TRS3122E (our newest device).

    Regards,
    Max