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TLV3201: Output voltage at 5V supply

Gabriele Ulissi
Prodigy 130 points
Part Number: TLV3201

Hello,

I'm having some trouble with the TLV3201 datasheet. I would like to use it as a comparator to get the difference of a switching signal carried by an RS422 interface. I will supply it between 5V and ground. While it is absolutely clear that the input is rail to rail, it is not really clear to me what output voltage I can expect to see in the on and off state of the device. Somehow I have not managed to find this information in the datasheet. I would be very grateful if someone could point out to me where I can find this.

Thanks and best regards,

Gabriele Ulissi

  • 0
    Guru 140200 points
    Hi Gabriele,

    with Vcc=5V, e.g. the output signal is nearly 0V or nearly 5V. Concretely spoken, it is typically 0.175V with a sink current of 4mA or typically 5V - 0.12V = 4.88V with a source current of 4mA. See section 7.5 of datasheet.

    Kai
  • 0
    TI__Intellectual 1740 points
    Hi Gabriele,

    Kai's response is correct. You can find this information in section 7.5 of the datasheet under the "OUTPUT" section. The output voltage is given relative to the rails for a corresponding sink/source current. Figure 15 and figure 16 in the datasheet also show the output voltages you can expect at various temperatures and sink/source currents.

    Regards,
    Jaskaran