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Thread: A/D converter

  1. #1

    Default A/D converter

    Hello,

    Can someone help me find a good A/D converter. I am looking for one that can go
    down to 1mV, and interfaces with the stamp.

    Thanks
    AC


    [Non-text portions of this message have been removed]
    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

  2. #2

    Default

    Ffor AC

    The TLC2543 is an excellent converter. Easy to program and has a 12-bit
    output. If you need programming help let me know. Samples are available
    from TI if you want to go to the trouble.

    Sid


    [Non-text portions of this message have been removed]
    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

  3. #3

    Default

    How hard is it to program?

    AC



    --- In basicstamps@y..., Newzed@a... wrote:
    > Ffor AC
    >
    > The TLC2543 is an excellent converter. Easy to program and has a 12-bit
    > output. If you need programming help let me know. Samples are available
    > from TI if you want to go to the trouble.
    >
    > Sid
    >
    >
    > [Non-text portions of this message have been removed]


    [Non-text portions of this message have been removed]
    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

  4. #4

    Default

    You need a Linear Tech LTC2400, a 24 bit chip, to get in the mv range. On
    their web site they have a BASIC Stamp connection example.
    Chuck
    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

  5. #5

    Default

    In a message dated 7/8/02 20:09:34 Eastern Daylight Time, aconti@s...
    writes:


    > How hard is it to program?
    >
    > AC
    >


    Not hard. Here's a sample.

    Adread:
    low cs
    pause 10
    shiftout SDATA, clk, msbfirst, [ADch<<8\12]
    pause 10
    shiftin sdi, clk, msbpre, [result\12]
    high cs
    goto counter
    return

    I think it has 7 channels, and you have to address each channel. If you get
    one and are in need of help let me know off-line.

    Sid



    [Non-text portions of this message have been removed]
    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

  6. #6

    Default

    I'm using the AD7730 from analog devices with the BS2,it accepts low level
    signals directly from a transducer and outputs a serial digital word.A
    recommended layout is important for the PCB that houses the AD7730.

    Regards
    Mohamed Refky



    >From: "Anthony Conti" <aconti@s...>
    >Reply-To: basicstamps@yahoogroups.com
    >To: <basicstamps@yahoogroups.com>
    >Subject: [basicstamps] A/D converter
    >Date: Mon, 8 Jul 2002 19:37:33 -0400
    >
    >Hello,
    >
    >Can someone help me find a good A/D converter. I am looking for one that
    >can go down to 1mV, and interfaces with the stamp.
    >
    >Thanks
    >AC
    >
    >
    >[Non-text portions of this message have been removed]
    >
    >
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    Last edited by ForumTools; 10-02-2010 at 01:17 AM. Reason: Forum Migration

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