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Original question:

OPA211: OPA211

OPA197-Q1: OPA197-Q1

salvatore silvestri
Prodigy 240 points
Part Number: OPA197-Q1

Dear Sirs

May I connect Pin_1 and Pin_2 on the OPA197-Q1? Does exist any limitation on the voltage that can be applied on Pin_1?

Thanks a lot again and best regards

Salvatore

  • 0
    TI__Guru 65070 points

    Pin 1 of OPA197-Q1 has no internal connection so you may connect it to pin 2 (-IN).  However, since all I/O pins are protected by ESD diode to each of the rails, the voltage on input pins is limited to 0.5V beyond the rails - see Absolute Maximum Rating table below.  Having said that, you may take the pin beyond its maximum voltage if you limit the current (e.g. with resistor)  to 10mA  or less