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  • THVD1406: Rx(R) waveform will same as Tx(D) when I transmitt data.

    TI Thinks Resolved
    Part Number: THVD1406 Tool/software: Hi TI supporter, I use THVD1406 in auto-direction mode for a RS485 device. Althought the communication result is ok, but I measure the waveform, I found the Rx(R) waveform will same as Tx(D) when I transmitt data…
    • Answered

  • THVD1406: THVD1406 @10kbit/s not working

    Resolved
    Part Number: THVD1406 Other Parts Discussed in Thread: THVD1400 Hi THVD1406 auto direction does not work at low data rates. The output pulse "H" is only 8us at high level then output goes "idle" until next output pulse "L". DE* is Low, SHDN* is…
    • Resolved

  • THVD1406: How to configure if use auto-direction mode?

    TI Thinks Resolved
    Part Number: THVD1406 Tool/software: Hi team, How to configure RE/SHDN if use auto-direction mode? Just pull up these to pins with a resistor?

  • THVD1406: About connection of THVD1406

    Part Number: THVD1406 Other Parts Discussed in Thread: THVD8000 , THVD8010 Please see attached file. Is it possible to use the THVD1406 to communicate a signal with a DC power supply? Please let me know if you have any problems. I know THVD8000…

  • THVD1406: Voltage spike on RS485 AB

    TI Thinks Resolved
    Part Number: THVD1406 Hi expert, My customer is evaluate THVD1406 to replace MAX13487 and they found there will exist a voltage spike on THVD1406, but MAX13487 will be normal. waveform as below: CH2:TXD CH3:A to B do we need a different design…
    • Answered

  • THVD1406: Echo on the Rx pin.

    Resolved
    Part Number: THVD1406 Other Parts Discussed in Thread: THVD1400 I'm using THVD1406 Auto Direction feature. SHDN and RE connected and both pins are pulled up to VCC (3V3).Also UART RX is pulled to 3V3 by 10k resistor (not visible on this schematic) …
    • Resolved

  • THVD1406: THVD1406DR

    TI Thinks Resolved
    Part Number: THVD1406 TI support hello i am working with the THVD1406DR and have a question. first when i look at SN65HVD7 data sheet I can see that: DE pin enable the D pin and RE enable the R pin. not clear (THVD1406DR) how I can operate the transceiver…
    • Answered

  • THVD1426: Is there an isolated version of THVD1406/THVD1426 transceiver?

    Resolved
    Part Number: THVD1426 Other Parts Discussed in Thread: THVD1406 , , ISO1430 , ISO1410 , ISO7721 I am looking for an analog to MAX22026FAWA+ chip. Does TI have any?
    • Resolved
    • Answered

  • THVD1406: Low impedence problem between 5V supply and the 3.3V used as pull-up for the UART side level of the device

    Resolved
    Part Number: THVD1406 Hi TI Team, I'm selecting THVD1406 as a 485 autodirectional transceiver for a new product and I have found the following problem on the PCB prototype: there's a low impedence path between the +5V rail and the +3.3V caused by…
    • Resolved
    • Answered

  • THVD1406: About /SHDN pin

    Resolved
    Part Number: THVD1406 Other Parts Discussed in Thread: THVD1400 , Hi Team, I understand that It is recommended that pull down /SHDN pin to GND through 10kohom. However, our customer would like to pull up /SHDN pin to VCC=3.3V through 10kohm. …
    • Resolved

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