• Can ADUM3440 be used to provide Isolation from high frequency noise?

    Can these devices isolate (filters out) high frequency noise.

     

    The ADuM3440 doesn’t explicitly filter high frequency noise, but it does block
    current flow from one side to the other so noise is isolated. The typical
    capacitance across…
  • RE: Questions about ADuM 3440 Propagation Delay

    Hi Jiulu,

    1. The "units" means different channels of different ADuM3440( eg: between ch1 of one ADuM3440 and ch2 of the other)

    2. Yes, tPSKCD is the propagation delay between any two channels of a given ADuM3440.

    3. tPSK and tPSKCD are tested…

  • RE: ADuM141E  Output Enable Propagation Delay

    Hi Terumasa,

    The enable fucntion of digital isolators is designed at the output side, and you could think that the enable propagation delay of ADuM141E is similar to ADuM3440's.

    Regards,

    Neil

  • Questions about ADuM 3440 Propagation Delay when CL = 5 pF

    Hi, 

    Will  tPSK and tPSKCD change sfter ADuM3440 is powered up, or they are fixed each time we use?

     

    And what   tPSK will be, if CL = 5 pF?

     

    Thanks

  • RE: Adum4160 + ESD Protection

    2] The ADuM3440 is to protect this board from the drivers and them from each other..

    I only use 3/4 of the io's on each ADuM

    it is only outgoing commands.

  • 数字隔离器中输入信号电流需要多大才能驱动?是10uA?


    在我的设计中,对数字信号进行了3.3V-0V到+1.5~-2.0V的通讯,但是其中+1.5~-2.0V的信号很微弱,只有100uA的驱动能力,不知道能不能驱动ADuM3440进行工作?

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