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ESD Protection

Discussion in 'Electrical Engineering' started by [email protected], Nov 1, 2004.

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  1. Guest

    Just received the latest flyer from Maxim. It advertises 12 bit
    touch screen controller (MAX1233/MAX1234) chips with on
    chip +/- 15kV ESD protection. Any idea how they do that?
     
  2. SQLit

    SQLit Guest

    grounding and shielding are common ways of protecting from ESD. Check the
    installation instructions. I will bet that they recommend an shielded cable
    for communication.
     
  3. Guest

    Right - but they state it is on-chip protection. I'm wondering
    what they do on the chip.
     
  4. SQLit

    SQLit Guest

    Shielding the outside of an chip is not all that hard in today's
    electronics. Metal shell grounded to the circuit board would do it. Just
    grounding the case of the screen would help with ESD. I doubt that we are
    talking about any large amounts of ESD any way. Put an high voltage field
    generator beside it and I AM sure it would be effected.
     
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