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AFE4300 PROTECTION

hector hector
Intellectual 530 points
Other Parts Discussed in Thread: AFE4300

Hi all

any suggestions where to add the protection diods and resistors in afe4300 ; and does those big resistors effect the calculations of the impedance ; since the calculated impedance is something between 50 and 300 ohms ?

Thank you inadvanced

  • 0
    TI__Mastermind 49956 points

    Hello Hector,

    We have received your inquiry regarding the AFE4300 and hope to have some answers back to you shortly.

  • 0 in reply to Praveen Aroul
    TI__Mastermind 18285 points

    Hector,

    The following E2E post should help address your questions.

    http://e2e.ti.com/support/other_analog/etc_analog/f/247/t/288414.aspx

    Our datasheet gives a functional block diagram on the first page to show where the Patient & ESD protection block is located. For our EVM, protection is provided through the 1uF capacitors.

    Make sure IEC standards are followed.

    You will also need to make sure your calibration routine is accurate.


    Hope this helps.