well, personally i would add a TVS (transient Voltage Suppresser) and
maybe even a Zener to help protect that op-amp from an inrush of
voltage that would destroy the op-amp..
putting that aside.
Yes, I noticed that the high voltage was pretty close to the op amp
and that a leaky cap or a sudden application or removal of the power
might cause a problem.
Thanks for commenting.
M
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