to know the current ratings of side 1 and side2 for ADuM4150BRIZ spi isolator ?

Dear Sir,

   I want to know the input and output current ratings and power ratings of  ADuM4150BRIZ spi isolator IC for both sides ?? 

I am using 3.3v supply on both sides.

Can you tell me in primary side and secondary side versa ?

Thanks in Advance