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AM26LV31: does this device have negative output?

Kelly Bai
Intellectual 1330 points

Part Number: AM26LV31

Hi team,

I want to ask whether AM26LV31 has a negative differential output? and what kind of output does it have?

Besides, about the figure 8 on the datesheet, why A/B have a negative voltage while Y is positive?

Best regards,

Kelly

  • 0
    TI__Guru 62920 points

    Hi Kelly,

    Yes, the differential output can be either positive in polarity (i.e., Y pulled towards VCC and Z pulled towards GND) when the A input is high or negative in polarity (i.e., Y pulled towards GND and Z pulled towards VCC) when the A input is low.

    Based on the labeling of the waveforms in that figure, I believe it is actually showing a receiver device.  When the differential input at pins A and B becomes negative, the corresponding Y output would go low after a short propagation delay.  When the differential input is positive, the Y output would go high.  You are right that for AM26LV31 the differential output will be positive when the Y input is high.

    Regards,
    Max