120 mA, Current Sinking,
10-Bit, I2C DAC
Current sink: 120 mA
2-wire, (I2C-compatible) 1.8 V serial interface
Integrated current sense resistor
Power supply: 2.7 V to 5.5 V
Guaranteed monotonic over all codes
Power down to: 0.5 μA typical
Ultralow noise preamplifier
Available in 3 × 3 array WLCSP package
Neutral density (ND) filters
Digital still cameras
Digital video cameras/camcorders
Cooler (Peltier) control
Linear actuator control
Current loop control
The AD5398A is a single, 10-bit digital-to-analog converter
(DAC) with a current sink output capability of 120 mA. This
device 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 (1.8 V, I2C®-compatible) serial interface that operates
at clock rates up to 400 kHz.
The AD5398A incorporates a power-on reset circuit, which
ensures the DAC output powers up to 0 V and remains there
until a valid write takes place. It has a power-down feature
that reduces the current consumption of the device to 0.5 μA
The AD5398A is designed for autofocus, image stabilization,
and optical zoom applications in camera phones, digital still
cameras, and camcorders. The AD5398A is also suitable for
many industrial applications, such as controlling temperature,
light, and movement without derating, over temperatures
ranging from −30°C to +85°C. The I2C address range for the
AD5398A is 0x18 to 0x1F inclusive.
FUNCTIONAL BLOCK DIAGRAM
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