The LTC2195 does not have an over range indicator. It was removed in these parts to get it into a smaller package.
I'm exploring your design and also I read this document completely.
I have DEMO CIRCUIT 1525A-L(LTC2170 IUKG-12) evaluation board.
1. First question is about configuring ADC. How can I configure LTC2170-12 by using your design.
I have some question on determining the IF sampling capability of ADC's :
I've checked the ADCs selection table for ADC > 10MSPS