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AM26C31: AM26C31 Voh

Krishna Sajja
Prodigy 10 points
Part Number: AM26C31

I’m looking for TI line driver AM26C31Q chart to show Voh as load increases? Any info showing output stage of the signals? is the using any internal push pull logic? 

  • 0
    Guru 316150 points

    This device indeed has push/pull outputs; see figure 7.

    As an RS-422 driver, it is designed to generate a voltage drop of at least 2 V over a 100 Ω load. So the behaviour at higher output currents is not relevant, and thus not specified.

    It's possible to measure this, but there are no guarantees:

  • 0
    TI__Guru 51882 points

    Hi Krishna,

    The driver outputs are shown in figure 7

    With RS-422 there should be a 100 Ohm resistor as the differential load and there is a guarantee of 2V across the 100 Ohm  over rec. operating conditions. Different loads are not advised. That is why different values are not included. 

    Best,

    Parker Dodson