• ADM3252: Detecting the cable connection

    The RS232 protocol defines a logic 0 as +3 to +15V & a logic 1 as -3 to -15V.
    We require to detect when the cable is connected and power up ADM3252E
    otherwise switch the power OFF. How do we differentiate between a disconnected
    cable and an…

  • Pin voltage tolerance of Tout on ADM3252E

    Hi everyone, I'm looking for the recommended voltage range that the Tout pin on ADM3252E can tolerate. I'm guessing the value given in the "Absolute Maximum Ratings" section (+/-15V) is meant to be that rating, but the way it's labelled ("Output voltages…

  • ADM3252E - RS232 output Issue

    Dear Analog Devices,

    I use ADM3252E as a level shifter (converting TTL to RS232 and vice versa) in a project. Data is generated by a microprocessor at TTL the voltage level, and then pass through ADM3252E so that a communication is provided between the…

  • ADM3252E较ADM3151E发热改善多少?


  • RE: ADM3252E output issue!

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • ADM3252E输出异常问题


    最近我们有个客户发现ADM3252E在系统上电时会输出0x00或0xFF, 为了确实是CPU或则ADM3252E输出异常,我们把CPU和ADM3252E连接断开后,ADM3252E输出异常还是存在,各位大侠是否有遇到过同样问题或则有什么好的建议,谢谢!

  • ADM3251 heat generation

    Interfaces using ADM3251E are working properly but it is noticeable hating of
    the ADM3251E device. Question from customers:
    - Is this a normal symptom?
    - Maybe a bug in the application?


    Yes, the ADM3251E can have a tendency to run a little hot…

  • ADM3251E alternate solution


    My requirement is RS232 Isolated for that i was looking forward to use ADM3251E.

    But the power requirement is exorbitant (145mA).

    I am required to currently use 6 of these and with scope of expansion for more.(approx12)

    I am not going for ADM3252E…

  • RE: ADM3251E Level 4 EMC

    Hi Jack

    The ADM3252E has IEC61000-4-2 ESD to 8 kV contact and 15 kV air. However the ADM3251E has HBM ESD to 8 kV contact and 15 kV air. IEC61000-4-2 ESD and HBM ESD are very different. The ADM3251 does not provide the required level of protection you…