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  • How in the world can TI obsolete the Nat Semi LM837? This op amp has outstanding value for money in audio applications. With it's linearizd output stage it will typical give 0.001% THD to 200 K and you get 4 op amps for about 30 cents. What to substi...

    Other Parts Discussed in Thread: LM837 , OPA1664 , OPA1654 , OPA1604 LM837 Quad Audio Op Amp

  • RE: TL074 noise

    Hi Anders, To answer directly, you don't mention whether you have a cost constraint or whether it must be a DIP package or if an SMD is okay. This device, from a noise prospective is better than the other devices mentioned: http://www.ti.com/product…
    • Answered

  • Active Volume Control for Professional Audio

    Resolved
    Other Parts Discussed in Thread: OPA1602 , OPA1604 LS, With great interest I read the article about Active Volume Control for Professional Audio. I like to build this audio control, but would like to make a prototype first using through hole components…
    • Resolved

  • OPA1641 Offset voltage drift and settling time.

    Other Parts Discussed in Thread: OPA1604 , OPA1641 , OPA141 , OPA140 For OPA1641, I don't see the offset drift temperature coefficient (uV/deg C) in the data sheet. Also, the settling time (eg., 16 bit, 0.0015%) is missing. It would be helpful to know these…

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