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