https://www.analog.com/en/products/ltc1798.html
LTC1798 SERIES Datasheet and Product Info | Analog Devices
The LTC1798/LTC1798-2.5/LTC1798-3/LTC1798-4.1/ LTC1798-5 are micropower bandgap references that combine high accuracy and low drift with very low supply...
product infoseriesdatasheetanalogdevices