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  1. #1
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    AD8619 Vol Measurement

    Hi folks,

    I have a dilemma here and I need help. In my knowledge, Vol is the measurement of DUT output wrt the negative supply. The passing limit of my Vol is 0-60mV. The typical is about ~40mV. But during my simulation in NI multisim, the value I get rails to 1.808. Hoping that somebody could help me on this.

    Here is the configuration:
    Vs = +/-0.9V
    Il = 1mA
    Vcntrl = >0.9V

    The attached the config in multisim.

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  2. #2
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    Re: AD8619 Vol Measurement

    Hi,

    What is "Vol"?
    What is "DUT" in your circuit?
    --> please use the same terminology as in the schematic.

    We donīt see the complete circuit...
    And your description is very vague...
    We donīt know what you expect from the parts to work.
    This makes it almost impossible to help.
    ***

    Quite unusual for an OPAMP circuit ( U4A) is the missing negative feedback resistor. It may be correct or not.

    Klaus
    Please donīt contact me via PM, because there is no time to respond to them. No friend requests. Thank you.



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