LM311N replacement

Discussion in 'Electronics Resources' started by yousaf465, Mar 9, 2011.

  1. yousaf465

    Thread Starter New Member

    Jan 22, 2011
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    I can't find this particular Ic in the local market, is there anything which can replace it.
     
  2. Kermit2

    AAC Fanatic!

    Feb 5, 2010
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  3. yousaf465

    Thread Starter New Member

    Jan 22, 2011
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  4. bigmike2020

    New Member

    Oct 29, 2010
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    Yeah the LM393 as well as the LM2903 should work fine. Also, if you look it up, most general purpose ICs can be used as comparators. I know that the LM324, AD817, and a couple of others have worked really well as comparators in a couple of projects that I have created.
     
  5. Adjuster

    Well-Known Member

    Dec 26, 2010
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    Remember though that comparators typically have open collector (or open drain) outputs. Most amplifiers have some kind of push-pull output stage, so you probably cannot use them to drive a load returned to a voltage outside their own rails.
     
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