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8 Bit DAC

Discussion in 'Electronic Design' started by jay, Oct 28, 2004.

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  1. jay

    jay Guest

    Hi Folks,

    I need an 8 bit DAC that runs freely (no control lines required...just input
    parallel data and convert) and can output a 0 to 12V level. Presently the
    AD7224 I am considering outputs a 0 to 10V out. I guess I would need a
    voltage amplifier but that requires some more components (which leads to
    more failure possibilities) and I need to keep the area on the PCB to a
    minimum.

    Any suggestions?

    Thanks
    Jay
     
  2. R2-R ladder network and an op-amp?
     
  3. That's three times he's had the same answer to the same question from three
    different people. Perhaps he's waiting for a private email. In which case he'll
    be lucky.

    Gibbo
     
  4. Did not know that. Oh well, it's always my policy to help if I can. I
    never email responses, however. Cheers.
     
  5. Guy Macon

    Guy Macon Guest

  6. -------------
    Yes, however the part that is wrong all differs, but the part that
    is right is all the same!! Somebody should really use that principle to
    write a Truth-Search-Engine website to collect actual Truth using this
    principle. Seriously! :->

    -Steve
     
  7. Max Hauser

    Max Hauser Guest

    "Guy Macon" in news:...
    There's further irony in this. First, for a couple of decades the
    netiquette guidelines (later RFC1855) cautioned people not to post, when
    email would do the job. (Limited interest, etc.) Just as the guidelines
    cautioned people to _include_ some of the posting you are responding to
    (because of the Time Warp, which is no longer a problem, or even part of the
    memory of newbies), yet NOW they take the advice to heart, and unnecessarily
    include 100's of lines of original.

    Also, thought the Web page cited above does make the point, advice on
    limitations of Usenet information predates Web pages. Here is a pure-Usenet
    example that I happen to know about:

    http://tinyurl.com/3o852
     
  8. Rich Grise

    Rich Grise Guest

    OK, I never took a DSP course. At the end of the article, he essentially
    says, "All of these answers are wrong", but then gives no indication what
    the right answer might be.

    Does anybody really know?

    Thanks,
    Rich
     
  9. Max Hauser

    Max Hauser Guest

    "Rich Grise" in news:p...
    Sorry about that. I posted three articles on this in 1991 and the third
    one, 6-June, which addressed that question, does not show up in the same
    thread. Here it is:

    http://tinyurl.com/4kfch


    (PS - No need to address me in third person!) -- Max
     
  10. Rich Grise

    Rich Grise Guest

    Sorry for that - I had ass-u-me-d that you had cited somebody else.

    Thanks!
    Rich
     
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