I have two ICs name AD620 548181 and AD620 33756. Both the ICs have same features but the problem is that when i was interchanging both each other only AD62033756 is work properly. The problem is not only with single piece of AD62054818, I have order 10 ICs piece of AD62054818 and all are not work in place of AD62033756 .
Unfortunately, we are unable to provide information about parts in the EngineerZone community based on their markings. We suggest going back to your point of purchase to get this information. Note that ADI only provides warranty coverage or any quality, reliability, failure analysis, applications, or other support on products purchased through ADI authorized distributors and sales offices. To ensure you are receiving unused, legitimate ADI product, please ensure all purchases are made through the ADI authorized distributors and sales offices listed on our website at: http://www.analog.com/salesdir/continent.asp.
You can get more information on this topic on our website at:http://www.analog.com/en/quality-and-reliability/quality-systems-faqs/content/index.html