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op-amp MC34071AP

Discussion in 'Electronic Design' started by axawire, Mar 2, 2007.

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  1. axawire

    axawire Guest

    Hi,

    I am trying to build a circuit on an existing design that calls for an
    op-amp MC34071AP but this op-amp seems hard to find and not sold in
    small quantites, at most I only need 4. If anyone knows a good source
    for it or can recommend a replacement op-amp with very similar
    properties it would be appreciated.

    thanks,

    Rich.
     
  2. Eeyore

    Eeyore Guest

    What's the design ? Is it a secret ?

    Graham
     
  3. Jim Thompson

    Jim Thompson Guest

    From TI, TL071

    Or substitute MC34081 -82, -84, or TL081

    ...Jim Thompson
     
  4. Phil Allison

    Phil Allison Guest

  5. Fred Bloggs

    Fred Bloggs Guest

    There is the TI TL3472 which is a duplicate design with slight variation
    in some of the max ratings, probably more realistic, and available in
    small quantities from Mouser.
     
  6. Jim Thompson

    Jim Thompson Guest

    Oooops! Looks I remembered incorrectly :-(

    TL071 is just a poorer spec'd version of TL081 which is the same as
    MOTO's MC34081

    So I did a boo boo and extrapolated MC34071 to TL071, etc :-(

    ...Jim Thompson
     
  7. Eeyore

    Eeyore Guest

    Where on earth did you get a hare-brained idea like that ?

    Motorola were never able to make a decent bifet op-amp to save themselves.

    Graham
     
  8. axawire

    axawire Guest

  9. axawire

    axawire Guest


    Thanks, im going to get one of those and see if it works for me.
     
  10. Which is "DEVICE NOT RECOMMENDED FOR NEW DESIGN"

    What!? Huh? Has ON Semi discontinued all their
    JFET opamps? Sheesh, stick with TI.
     
  11. Actually I think it's the other way round.

    robert
     
  12. Eeyore

    Eeyore Guest

    Yes.

    Graham
     
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