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ISO7730: EN VIH min = VCC2 x0.7?

Part Number: ISO7730

Dear Team,

There is a question regarding ISO7730F EN VIH voltage level. In the datasheet VIH min is 0.7xVCCI.

May I know if VCCI is VCC2?

So if VCC2 is 5V, EN VIH min is 3.5V and we cannot use 3.3V MCU to control the En pin directly?

Thank you.

Regards,

Ting

  • Hi Ting,

    Yes, In reference to ISO7730 EN2 pin VCCI is VCC2.
    And you are right in the system case mentioned EN cannot be driven by 3.3V MCU.

    Regards
    Tejas

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