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AD5933 measurement question

Question asked by SeongJun on Feb 18, 2016
Latest reply on Feb 25, 2016 by musach


I have a question about AD5933 using a current source.

I am referring to AN-843 Howland current source.

In the data sheet, the impedance measurement range of the AD5933 is 100 ohms to 10M ohms, but impedance of LOUD SPEAKER in AN-843 is less then 100 ohm.

When using a current source, what is the impedance measurement range?