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khoi nguyen
Visitor II
August 24, 2017
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ST25R3911B VDD power

  • August 24, 2017
  • 1 reply
  • 600 views
Posted on August 24, 2017 at 03:23

The ST25R3911B-disco board used 5V VDD.

Can you use 3.3V for VDD, is there any drawback for using 3.3V?

#st25r3911b-vdd
    This topic has been closed for replies.
    Best answer by Ulysses HERNIOSUS
    Posted on December 14, 2017 at 15:37

    Hi Khoi,

    less supply voltage -> less output power -> less read range.

    Regards, Ulrich

    1 reply

    U
    Ulysses HERNIOSUSAnswer
    Technical Moderator
    December 14, 2017
    Posted on December 14, 2017 at 15:37

    Hi Khoi,

    less supply voltage -> less output power -> less read range.

    Regards, Ulrich

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