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TS12A12511: IN Port support 3.3 V?

shashank sharma
Prodigy 510 points
Part Number: TS12A12511

The customer is asking whether IN port of TS12A12511 can support 3.3V or not? According to the datasheet, it seems the IN port support only 5V, but could you tell me whether 3.3V is available on IN port, or not?

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    TI__Mastermind 45400 points

    Shashank,

    The switch's logic control pin IN is referenced to GND and the Vih value will scale with Vcc.  You can see in the datasheet that with Vcc = 5 V and -Vcc = -5V the Vih spec is 2.4 V and will support your 3.3V logic control signal.

    If the Vcc = 12 V than the Vih spec is 5V which will not support 3.3 V control logic signals.

    I searched "TS12A12511" in the switches and multiplexers e2e forum and found these post that may also be helpful.

    Thank you,

    Adam