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I have tried looking at the datasheet but can't seem to find any information on this pin. enter image description here

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  • \$\begingroup\$ looks like Vee . \$\endgroup\$
    – jsotola
    Commented Jun 25 at 18:55
  • \$\begingroup\$ I updated my question. at first i thought it was a square root and saw the bottom part was V- but my question is about the top part. What is the S with bar above it? How does I used it and when would i use it? \$\endgroup\$ Commented Jun 25 at 18:57
  • \$\begingroup\$ The circled pin on your circuit diagram doesn't feel like it matches the circle in the package diagram. \$\endgroup\$ Commented Jun 25 at 18:57
  • \$\begingroup\$ Looks like !Shutdown (shutdown not). Hold it high to make the op amp work \$\endgroup\$ Commented Jun 25 at 18:58
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    \$\begingroup\$ the datasheet says to let it float \$\endgroup\$
    – jsotola
    Commented Jun 25 at 19:03

1 Answer 1

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It is a pin to disable the op-amp. Looking at the datasheet: on page 13 it can be left open or tied high to enable the amplifier.

When pulled low, the output is high impedance allowing simple multiplexing. (page 17 has an example)

enter image description here

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