Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!news.larc.nasa.gov!grissom.larc.nasa.gov!kludge From: kludge@grissom.larc.nasa.gov ( Scott Dorsey) Newsgroups: sci.electronics Subject: Re: Subject: A QUESTION ABOUT OP AMPS Message-ID: <1991Apr22.135312.20413@news.larc.nasa.gov> Date: 22 Apr 91 13:53:12 GMT References: <3816@polari.UUCP> Sender: news@news.larc.nasa.gov (USENET Network News) Reply-To: kludge@grissom.larc.nasa.gov ( Scott Dorsey) Distribution: na Organization: NASA Langley Research Center Lines: 15 In article <3816@polari.UUCP> Mike Ranta (miker@polari.UUCP) writes: >An LM741 would probably work for you application. It normally >requires a bipolar powersupply (a positive and negative supply) >which may be a problem. It's also not especially fast or quiet >(low noise). If these things are not problems, you're on the >right track. If they might be, I'd suggest an LM833 which is >a low noise op-amp specifically designed for audio use. Any >electronics distributor (either local, or mail order i.e. Digi >Key) should have them. If you need single supply operation, >an LM324 would give about the same performance as the LM741. Please don't ever use a 741 or an LM833 for audio. This is 1991, and there are far better choices. The Motorola 34082, the AD712, and a whole raft of nifty stuff from PMI and even TI. --scott