There is a handy package SOT-23 used in this program.Voltage measurements with a tolerance of 0.05%.Pins 6 are settled in the part.4.096V volts are output.
LT6656AIS6-4.096#PBF Features
0.05% Tolerance
LT6656AIS6-4.096#PBF Applications
There are a lot of Analog Devices, Inc. LT6656AIS6-4.096#PBF Voltage Reference applications.