How can I estimate the delay time of AD8330 at distinct gain points?

Question

I want to design a system that measure the time,the measure precision must be control under 500 ps;I think the delay time of AD8330 at distinct gain points will have the not same value,So How can I estimate the delay time of AD8330?

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JinoL · Answer

Hi. 
 It is safe to assume that the group delay variation is the same across gain range of AD8330. The group delay would vary depending on the frequency of operation. Expect a group delay of 3ns at 100kHz< F < 50 MHz signal. 
 Regards. 
 Jino