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Frequent questions

  • [FAQ] Can channel input/output pins on a digital isolator be left floating?

    Other Parts Discussed in Thread: ISO7741 Can channel input/output pins on a digital isolator be left floating?

  • [FAQ] Can a digital isolator signal voltage be different from its power supply voltage?

    Can a digital isolator signal voltage be different from its power supply voltage?

  • [FAQ] Can I power the two sides of a digital isolator with different voltages?

    Other Parts Discussed in Thread: ISO7721 Can I power the two sides of a digital isolator with different voltages?

  • [FAQ] How do I read TI’s Digital Isolator part numbers?

    What do digital isolator part numbers mean?

  • [FAQ] How do you generate isolated power for an isolated RS-485 node?

    How do you generate isolated power for an isolated RS-485 node?

  • [FAQ] What kind of transient protection do you need with isolated RS-485 devices?

    What kind of transient protection do you need with isolated RS-485 devices?

  • [FAQ] When do you need termination on an RS-485 bus, and what are the advantages and drawbacks to the system?

    When do you need termination on an RS-485 bus, and what are the advantages and drawbacks to the system?

  • [FAQ] What is fail-safe biasing, and how do you design for it?

    What is fail-safe biasing, and how do you design for it?

  • [FAQ] What is the speed vs. length correlation for isolated RS-485?

    What is the speed vs. length correlation for isolated RS-485?

  • [FAQ] How many nodes can you connect to an RS-485 bus?

    How many nodes can you connect to an RS-485 bus?

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