AnsweredAssumed Answered

About the ADuM3190 output offset

Question asked by brent.chang@wpi-group.com on Sep 9, 2014
Latest reply on Sep 10, 2014 by brent.chang@wpi-group.com

Hi,

 

Currently is using ADUM3190 as an isolated OPA  (Base on ADuM3190 EVB) and find out that the output signal (EAout1) has level shift which case some part of the sine wave is cut (Figure.1 ). In order to get the full output signal, I need to add some offset at the input signal (Figure. 2). Is it a normal phenomenon of the ADuM3190?? 

 

 

Figure. 1

Untitled.jpg

 

 

Figure. 2

tek00000.png

 

 

Figure .3

tek00002.png

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