This program utilizes the handy DFN EP package.Pins 3 are firmly seated in the part.Surface Mount is the right platform for the application.At 70°C degrees Celsius, it should be able to operate.As low as 0°C can be operated by it.
LT6660KCDC-3.3#PBF Features
LT6660KCDC-3.3#PBF Applications
There are a lot of Analog Devices, Inc. LT6660KCDC-3.3#PBF Voltage Reference applications.