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DS15BR401: Common Mode Range

Jerry%20Leung
Intellectual 905 points
Part Number: DS15BR401

Hi Team,

I noticed that the DS15BR401 datasheet mentioned the Vth and Vtl with Vcm between 0.8V to 3.55V, however, the Vcmr has a min and max between 0.05V to 3.55V.  Our customer has 1.2V LVDS input with 0.6V common mode, is this device still suitable?

Thanks and best,

Jerry

 

  • 0
    TI__Guru* 88905 points
    Hi Jerry,

    I believe your customer 1.2V LVDS input is differential 1200mV input. In this case, we have 600mV single ended.

    Given 600mV single ended, this means your customer single ended signal is riding on 0.6V common mode voltage with +/-300mV relative to this common mode voltage.

    This is well within DS15BR401 common mode voltage(150mV to 3.6V) and input swing level(differential 2400mV or 1200mV single ended).

    Regards,,nasser