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  • ISO1228: Use the Resistor to replace LED

    TI Thinks Resolved
    Part Number: ISO1228 Tool/software: HI Sir Due to space issue, we need to remove the led & Resistor replace it have any issue?
    • Answered

  • ISO1228: What is the purpose of Rpar and can it be omitted?

    Resolved
    Part Number: ISO1228 Tool/software: I am designing a circuit with a series of relatively strong pullups to 28V that can be FET-switched to ground, and I need to detect logic levels between 28V and ~0V through isolation (this is not a IEC 61131 application…
    • Resolved
    • Answered

  • ISO1228: nRST role and MCU connection

    Resolved
    Part Number: ISO1228 Hello, I would like to understand the role of nRST. According to the datashset, this reset is only required when BRST pin is toggled. Does it has any other role? If the user doesn't change BRST_EN, is it OK to just pull up nRST pin…
    • Resolved

  • ISO1228: Can't download PSPICE for TI or find Spice model

    TI Thinks Resolved
    Part Number: ISO1228 Tool/software: I am trying to get ahold of the SPICE models for the ISO1228, the only thing I see on the website is the IBIS model and a download for PSPICE for TI. Trying to download PSPICE for TI gives me an error message or a never…
    • Answered

  • ISO1228: LEDx to GND in Sink mode & Clarification the equations

    Resolved
    Part Number: ISO1228 Tool/software: Hello 1. I want to use ISO1228 and i don't need the visual indication & wants to LEDx direct to the ground but i read in section 7.3.2 "The LEDx pins can be connected directly to GND in sink mode provided wire-break…
    • Resolved
    • Answered

  • ISO1228: Wire break detect

    Resolved
    Part Number: ISO1228 hi Sir May I know why only Sink has disconnection detection, but Source doesn’t have? Is it becoz of the direction of current inside the chip? thanks
    • Resolved

  • ISO1228: DI Redundancy between two equipment.

    TI Thinks Resolved
    Part Number: ISO1228 DI Redundancy. If there are two ISO1228 for DI Inputs which located different box and the source of DI are same (single source) The equipment are normally good working. Suddenly, one equipment power is off (ISO1228 AVCC 24V…
    • Answered

  • ISO1228: Maximum current on field-side output

    Resolved
    Part Number: ISO1228 Other Parts Discussed in Thread: ISO1212 , , ISO1211 , ISOM8110 , ISOM8710 Tool/software: Hi! I'm thinking about using the ISO1228, ISO1211 or ISO1212 in one design. In ISO1228 datasheet the maximum operating condition says that…
    • Resolved

  • ISO1228: Please check if my below specifications is matched with ISO1228 part, if that is not matched, suggest me any other part availability.

    TI Thinks Resolved
    Part Number: ISO1228 Other Parts Discussed in Thread: ISOM8710 , ISO1212 , ISOM8110 , ISO6741 , ISO8110 , ISO7740 , ISO6740 Specifications: 1.8 Channel Low speed signaling, mixed 24V and 5V single and differential digital inputs and outputs. 2.I/O Interface…
    • Answered

  • ISO1228: Bi-directional operation

    Resolved
    Part Number: ISO1228 Hi team, Does ISO1228 support bi-directional operation if LEDs are not used? My customer wonders if ISO1228 supports both sink and source operation without changing passive components. From my understanding, it's not supported because…
    • Resolved

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