Q
Please provide the thermal resistance junction to case for this device and also
the maximum operating junction temperature.
A
The AD664 is quite an old product for which is difficult to obtain any sort of
information.
As I could not find anything I contacted our Assembly department.
Please, find their inputs below. I hope it helps.
The AD644SD-BIP is a 28 lead SBDIP.
The only thing I can see that comes close is the CERDIP in ADI0121: