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high voltage monitoring for AD8212

Question asked by Tarzan on Feb 23, 2016
Latest reply on Mar 27, 2016 by Tarzan

Hi there,


I have some question's about AD8212 for monitoring high voltage.


According to the datasheet, it says that "7 V to >500 V with external pass transistor ".

#1,Why is the common voltage  limited upt to >500V ?

#2,Is it possible to use this device to monitor high voltage like 1500V?

If it's okay, what designer should consider?

And the datasheet example is using PNP transistor.

#3,Instead of PNP transistor,does the circuit work when Nch-IGBT like GT40WR21 is used?


Thanks in advance.


Best regards,