AD5722RBREZ-REEL7 is an Analog Devices DAC.
The device is specified at 12 bits per channel resolution, Dual (2 voltage-output DACs) channels.
Its advantage is that the specification is backed by a published data sheet, so the part can be designed into production equipment without further characterisation.
The part is chosen for its accuracy over temperature, which is what the measurement chain is designed around.
Within the family, this ordering code is the one specified for Dual (2 voltage-output DACs) channels.
On the bench, the parameters that decide the design are Resolution 12 bits per channel and Channels Dual (2 voltage-output DACs).
It is used in process control and test equipment, where the function has to behave predictably over the life of the equipment.