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  • OPA2626: Input-Referred Noise Calculations - 2nd Opinion

    Part Number: OPA2626 I need some help confirming if my math is right. Trying to calculate the input-referred noise in this OPA2626 circuit. *Rf is lower than Rin; this is a non-inverting signal-attenuation application where 20LOG(Vout/Vin) = -1.16dB …

  • OPA2626: OPA2626 PSpice very strange results

    Part Number: OPA2626 Other Parts Discussed in Thread: OPA626 Hello, I'm simulating a simple noninverting circuit with the OPA626 in OrCAD PSpice 17.2. It runs fine, if the voltage at the +Input is 0.5 * (VCC-VEE). If it deviates by an offset from this…

  • OPA2626: TINA-TI Simulation Error

    TI Thinks Resolved
    Part Number: OPA2626 Other Parts Discussed in Thread: LM7705 Hi Team, Customer is encountering strange behavior during the OPA2626 simulation. Below is the details. " A simple voltage buffer transient simulation was configured with the 0 initial value…

  • OPA2626: Settling Time in small signal space

    Part Number: OPA2626 Other Parts Discussed in Thread: TINA-TI , OPA2837 , , OPA837 , OPA2625 , OPA625 Dear TI community I am developping and ADC stage with 16bit resolution and looking for a buffer to drive the ADC. The settling time is quite critical and…

  • RE: TINA/Spice/OPA2626: OPA2626

    Dave, Apologies for the delayed reply. I believe I have a solution, but it needs more testing. I will close this thread for now, but once the model is complete, in about a week, I will reactivate & update this thread with the new model. Regards, Joh…
    • Answered

  • OPA2626: Damage voltage on Vout when unpowered

    Resolved
    Part Number: OPA2626 The OPA2626 looks like a good solution for our need as a high speed 50ohm output driver to a scope/ADC. In our design the output will be connected to BNC connector to the outside world to allow driving a scope or external ADC. I am…
    • Resolved
    • Answered

  • TINA/Spice/OPA2626: Noninverting circuit output reference voltage drop with Tina

    Resolved
    Part Number: OPA2626 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models I made noninverting OP-amp circuit with OPA2626(626) and tested with Tina Ref voltage is 1.65V, and input signal is swing 2mV PP from 1.65V. And gain…
    • Resolved

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