ADuM3223 vs ADuM3220

Q 

We have used ADUM3223 to drive high Voltage output, but it needs two different
supplies (15V). Your colleague at Embedded World 2014 recommended ADuM3220. But
I didn’t find the work voltage of ADuM3320. Could you please tell me, if this
chip can also drive over 800V between High-side and Low-side, or how much
voltage it can drive?

 

A 

The output channels of ADuM3220 share the same GND so if your application
requires isolation between the two outputs then ADuM3220 does not fit. Please
find a short summary attached.
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