ADUM3200 Working Voltage Specs?

I have a customer that is looking for a digital isolater, 2 channel, 1 input and 1 output.

- Powered from 5V and 3.3V

- The working voltage must be at least 1200VDC.

- It must support a UL creep-age and clearance of the same 1200VDC, possibly with a slot cut out underneath to increase creep-age.


I could not find details on the working voltage specs?

Thanks