I am using the AD8542 in an application powered by a 3V coin cell. As such, the power for the AD8540 is turned on/off by a FET. What is a good number to wait after applying power to the AD8542 before it is ready for signals?
This is not something that we characterize. It depends on the internal biasing network,
the closed loop gain, and the load on the op amp. Suggest you measure a few in your
configuration and then triple the number.
Measure in what way?
Look at the when the output stabilizes/settles to 1% or 0.1%. depending on what you need.
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