• RE: Can I transmit static signal via ADuM7640?

    Hello George1,

    The ADuM7640 contains a refresh feature which guarantees DC correctness:

    If the ADuM7640 is powered and the inputs are static, the correct state will be reflected at the outputs in approximately 1 ms.

    DaveC

  • ADUM7640 - DC Isolation Spec

    The ADUM7640 isolation spec is listed as 1000Vrms. Just want to verify that this translates to 1400VDC. The DC isolation spec we have to meet is 1KVDC..

  • RE: Signal isolation on the FMCMOTCON1

    FMCMOTCON1 provides electrical isolation between the FPGA and the power stage.

    The components used to provide electrical isolation are:

         - ADuM7640 for digital signals

         - AD7401A for analog signals

         - ADuM500 for power supplies

  • ADuM7640 keeps Hi-Z

    Hello.

    In Datasheet P18 table 19 : Truth table.

    When VDDO is Unpowered, Vox Output is Hi-Z.

    So I want to know that If VDDO voltage is slowly increasing or decrease, how much voltage dose it keep Hi-Z?

    Because same voltage source and line device has…

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