Replacement for AD210

I would like to have a replacement for AD210 which is an old part for three port isolation. The important spec of AD210 is 2500 Vrms ac continuous @ 60 Hz CMV between any two ports as mentioned in the datasheet. I can replace with AduM3190 / 4190. That will solve the problem for signal isolation. I have to use a separate isolated DC-DC converter for Power to Input and Power to output isolation. Can the DC-DC converter have the specification of CMV continuous of 2500 Vrms? Any suggestion for DC-DC converter for atleast 1500 VAC continuous CMV between two ports ??

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