GENERAL DESCRIPTION
The AD5821 is a single 10-bit digital-to-analog converter with 120 mA output current sink capability. It features an internal reference and operates from a single 2.7 V to 5.5 V supply. The DAC is controlled via a 2-wire (I2C-compatible) serial interface that operates at clock rates up to 400 kHz.

FEATURES
   120 mA current sink
   Available in 3 × 3 array WLCSP package
   2-wire (I2C-compatible) 1.8 V serial interface
   10-bit resolution
   Integrated current sense resistor
   2.7 V to 5.5 V power supply
   Guaranteed monotonic over all codes
   Power-down to 0.5 μA typical
   Internal reference
   Ultralow noise preamplifier
   Power-down function
   Power-on reset

CONSUMER APPLICATIONS
   Lens autofocus
   Image stabilization
   Optical zoom
   Shutters
   Iris/exposure
   Neutral density (ND) filters
   Lens covers
   Camera phones
   Digital still cameras
   Camera modules
   Digital video cameras/camcorders
   Camera-enabled devices
   Security cameras
   Web/PC cameras

INDUSTRIAL APPLICATIONS
   Heater controls
   Fan controls
   Cooler (Peltier) controls
   Solenoid controls
   Valve controls
   Linear actuator controls
   Light controls
   Current loop controls