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  • RE: OPA1656: Datasheet Fig.7, THD+N not rising with frequencY (load=2k and Vout= 3V(rms) )

    Hi Frank, We haven't heard from you in a while. We hope this was resolved. Please reply to re-open if you have any additional questions.

  • OPA1656: Little more noise model reconciliation

    • Resolved
    Part Number: OPA1656 With the TINA model corrected, can also go on to test this 20Hz to 20kHz

  • OPA1656: Noise plot and sim reconciliation

    • Resolved
    Part Number: OPA1656 Lets start over with the right part number in the question Reviewing

  • RE: OPA1656: Impedance of the supply rail - flat across the bandwidth

    Hi Gary, Thank you for your questions. I understand the author of the application report consider the phono-pre amp as very noise sensitive application, so the ripple filter U4/U5 was addressed. However, the current design is not good to OPA1656...

  • BUF634A: Any estimate of minimum short circuit current limit?

    • Resolved
    Part Number: BUF634A Working with this composite circuit shown in the OPA1656 PDS. If you parse

  • RE: OPA196: Device specified Min and Max for "Input voltage noise density"

    Well if the DC precision is less important, but you need that low current noise FET input device, you might look at the OPA1656 - more of an audio part, but really low voltage noise for a JFET input.

  • RE: OPA1637: input voltage noise model

    Oops, I called the post the OPA1637, but both the front page plot and sim model I used was the OPA1656, which is what the question is about, If you look at the first image, it says OPA1656 and TINA model plot is also the OPA1656, reference design attached...

  • OPA1656: missing TINA .TLD file

    • Resolved
    Part Number: OPA1656 where can the file OPA1656 .TLD be found? It does not seem to be part

  • QUAD OP AMP OP1656

    TI Thinks Resolved
    Do you plan on making an op amp for four channels that is the same as OPA1656? Meaning it has the same specifications as OPA1656.

  • RE: OPA1688: Input rail to rail

    Hi Mukuno-san, If you would like to know the linearity of OPA1688/42 around negative rail input in the non-inverting amplifier configuration, you can refer to the fig.4 of OPA1688 datasheet. Regarding the alternative device, I can recommend OPA1656...

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