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  1. #1
    Join Date
    Feb 2004
    Location
    Germany
    Posts
    762

    Default Low cost bidirectional level shifter I2C and other

    If you are after a solution for a level shifter here is an interresting Application Note from PHILIPS
    AN97055

    With SOT23 FETs and 805 (or 1206) Resistors it takes minimal PCB space.
    regards

    Ralph

    _______________________________________________
    There are only 10 types of people:
    Those who understand binary, and those who don't ...
    _______________________________________________



  2. #2
    Join Date
    Nov 2003
    Location
    Greece
    Posts
    2,928

    Default

    Thanks Ralph for sharing. Nice pdf.

    Ioannis

  3. #3
    Join Date
    Nov 2003
    Location
    Greece
    Posts
    2,928

    Default Re: Low cost bidirectional level shifter I2C and other

    Yes it takes little space. And the new link is this

    www.adafruit.com/datasheets/an97055.pdf

    Ioannis

  4. #4
    Join Date
    Mar 2003
    Location
    Commerce Michigan USA
    Posts
    1,202

    Default Re: Low cost bidirectional level shifter I2C and other

    Or you could use one of these... I use them all the time. They make a 4 channel and an 8 channel version.

    Oops, I can't upload the data sheet, It's too big. The part number is TSX0102 for the 2 channel one and TSX0104 for the 4 channel one. They are made by Texas Instruments. Try it, Youl'l like it...
    Dave Purola,
    N8NTA
    EN82fn

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