Datasheet for Obsolete and replacement ICs

Hi all,

Two IC that I am interested in are obsolete (AD7892AR-1 and SMP04ES). Both have suggested replacement AD789ARZ-1 and SMP04ESZ. As I understand the only difference is the original ICs are not RoHS compliant and the replacement are. However I can not find any evidence of my assumption on the datasheet provided.

Is there a way i can get my hand on both IC's specifications (old and new) so I can be sure there are no changes and also present the evidence to the customer to ease their concern?

Many thanks in advance

Masoud

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