It is used as a voltage reference and is controlled by Precision.The handy Tray variable is used in this program.8 pins are included in the voltage reference ic.
DATA-RH1021BMH-5 Features
DATA-RH1021BMH-5 Applications
There are a lot of Analog Devices DATA-RH1021BMH-5 Voltage Reference applications.
Suitable for use with a wide range of video RAMDACs