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Best way of multiplexing analog signals?

Discussion in 'Electronic Components' started by Mickey, Oct 25, 2003.

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  1. Mickey

    Mickey Guest

    What would be the best (cheap and good) way to demultiplex analog signals
    (mA, V, Ohm)
    that means switch from 16 analog inputs to 1 analog output?

    Can it be done without mechanical or reed relays, and still be satisfactory?

    Thanx
     
  2. Depends on what you mean by satisfactory. A low voltage, low currant
    signal could be multiplexed with a 4051 CMOS chip.

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  3. Mickey

    Mickey Guest

    Lets say 0 ... 10V and 0 ... 20 mA would be satisfactory.
     
  4. Data sheet:
    http://www.ee.washington.edu/stores/DataSheets/cd4000/cd4051.pdf

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    ###Got a Question about ELECTRONICS? Check HERE First:###
    http://users.pandora.be/educypedia/electronics/databank.htm
    My email address is whitelisted. *All* email sent to it
    goes directly to the trash unless you add NOSPAM in the
    Subject: line with other stuff. alondra101 <at> hotmail.com
    Don't be ripped off by the big book dealers. Go to the URL
    that will give you a choice and save you money(up to half).
    http://www.everybookstore.com You'll be glad you did!
    Just when you thought you had all this figured out, the gov't
    changed it: http://physics.nist.gov/cuu/Units/binary.html
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  5. onestone

    onestone Guest

    DG409 from Maxim, +/-20V 16;1 IIRC, if it isn't the 409 it's the 407.

    Al
     
  6. Mickey

    Mickey Guest

    Thanx, all.
     
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