GENERAL DESCRIPTION
The AD5623R/AD5643R/AD5663R, members of the nanoDAC® family, are low power, dual 12-, 14-, and 16-bit buffered voltageout digital-to-analog converters (DAC) that operate from a single 2.7 V to 5.5 V supply and are guaranteed monotonic by design.

FEATURES
   Low power, smallest pin-compatible, dual nanoDAC
      AD5663R: 16 bits
      AD5643R: 14 bits
      AD5623R: 12 bits
   User-selectable external or internal reference
      External reference default
      On-chip 1.25 V/2.5 V, 5 ppm/°C reference
   10-lead MSOP and 3 mm × 3 mm LFCSP
   2.7 V to 5.5 V power supply
   Guaranteed monotonic by design
   Power-on reset to zero scale
   Per channel power-down
   Serial interface up to 50 MHz
   Hardware LDAC and CLR functions

APPLICATIONS
   Process control
   Data acquisition systems
   Portable battery-powered instruments
   Digital gain and offset adjustment
   Programmable voltage and current sources
   Programmable attenuators