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TLV3404IDR

Tim McCall
Prodigy 30 points
Other Parts Discussed in Thread: TLV3404, OPA320, OPA211

Hello, we have a question on this device. What is the input impedance please? 

  • 0
    TI__Guru 63985 points

    Hi Tim,

    The input resistance of the product is 300MOhms.  The input bias current and input offset currents are often a larger concern which are shown in the figure below from the TLV3404 datasheet.  Here's a good blog talking about input impedance:

    “I Need High Input Impedance!”
    Other Parts Discussed in Post: OPA211 , OPA320 In helping to select op amps and instrumentation amps I frequently hear the comment, “I need really high input impedance.” Oh really?… are you sure? It…
    By in Archives > The Signal
    1 comment