• Inquiry of ADA4077-4 for notch filter

    Dear Sir,

    We try to design a notch filter on 400Hz by ADA4077-4 but it can't work. Would you kind to give some recommendation ?Thanks.

  • Regarding ADA4077


    I am using ADA4077 opamp in my SMPS design for Feedback for current control. I given single supply of +15V to pin 8 and 4 pin connected to GND. But iam getting 1.34V offset at ping 7,it is effecting my current control.Please suggest me how to minimize…

  • ADA4077-2 Major Improvements

    What major improvements does this family (ADA4077-2) offer to applications?


    Almost all specs are improved over the previous generations. The biggest
    improvement offered to various applications by ADA4077 is the wider bandwidth
    to process…
  • ADA4077-2 Drop-In Replacement

    Is ADA4077-2 a drop in replacement for the previous generation?


    Almost all specifications of this newer product are improved over the parts in
    older generations. Exceptions are IVR and output swings which are slightly
    different. The…
  • AD5791 Reference Buffer Opamps

    The data sheet and reference designs recommend the AD8676 for voltage reference buffers.  I would like to use an opamp that draws less supply current than the 3.4mA max of the AD8676.  The ADA4077-2 looks to have similar performance specs, and draws only…

  • ADA4077-2 ESD Ratings and Human Body Model Rating

    ESD ratings for semiconductors used in industrial applications have been
    increasing recently  often requiring Human Body Model, (HBM) rating of 1.5kV to
    2kV or more. What ESD rating does the ADA4077-2 have?


    The ADA4077-2 HBM rating…
  • OP2177 will be replaced with OPA2180


    I want you to give us advice.

    OP2177 is targetted to be replaced with competitors, OPA2180 and so on.

    We try to promote ADA4077-2A. But they mentioned TCVos is worse than OP2177. They don't want to use it.

    ADA4522-2 doen't seem to compete…

  • RE: 运算放大器选择



  • RE: ADA4522 Drift

    Hi Ben,

    I would expect it to be very small since the ADA4522  is a zero drift amplifier that uses a chopper architecture which continuously self correct any dc error over time and temperature. Let me check it to the product owner if they have actual data…