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LM237 vs LM337

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  • LM237 vs LM337

    Hi,

    Can I use the LM237 instead the LM337? I can't see the differences in the datasheet.

    Anybody can help?

    Thanks.

  • #2
    Seems the LM237 is selected for slightly better accuracy and extended operating temperature.
    Otherwise data looks identical.
    Both are negative voltage regulators.
    https://www.ti.com/lit/ds/symlink/lm...oogle.com%252F
    - Own Opinions Only -

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    • #3
      I stand corrected and deleted my prior post. Thank you Helmholtz.
      It's not just an amp, it's an adventure!

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      • #4
        I'd never heard of the 237, but I haven't been playing with chips in a few decades. Must be newer, eh?
        Definitely tighter regulation and more rugged at temperature. Nothing that would matter for musical instrument applications (as Enzo would say, 'not rocket science').
        if the 337 is unobtainable, I guess it doesn't matter how much more the 237 will cost
        If it still won't get loud enough, it's probably broken. - Steve Conner
        If the thing works, stop fixing it. - Enzo
        We need more chaos in music, in art... I'm here to make it. - Justin Thomas
        MANY things in human experience can be easily differentiated, yet *impossible* to express as a measurement. - Juan Fahey

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        • #5
          National Semiconductor sold many of their chips in 3 grades: 1xx=Military, 2xx=Industrial, 3xx=Commercial.

          From the 1978 Linear Databook:

          Click image for larger version

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