AD623: Output impedance

Document created by analog-archivist Employee on Feb 23, 2016Last modified by ScottH on Feb 23, 2016
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Q

What is the output resistance of the AD623ARM Instrumentation Amplifier?

 

A

The output is active and will be maintained as a low impedance by the action of
internal feedback.

 

If you need to work out the drive capability of the output, the AD623 can drive
a 10k load from a +5V single supply to datasheet limits of 10mV above Ground
and 500mV below +Vs.

 

The output is short circuit protected, which allows the output to be
permanently connected to either power rail without damage.

 

Also refer to Figure 39 - output swing vs current load.

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