1 Features

1• Ensured Monotonicity to 8-bits

• Low Power Operation: 156 μA Maximum at 3.3 V

• Extended Power Supply Range (2.7 V to 5.5 V)

• I2C-Compatible 2-Wire Interface Which Supports

Standard (100-kHz), Fast (400-kHz), and High-

Speed (3.4-MHz) Modes

• Rail-to-Rail Voltage Output

• Very Small Package

• Resolution 8 Bits

• INL ±0.6 LSB (Maximum)

• DNL ±0.1 LSB (Maximum)

• Settling Time 4.5 μs (Maximum)

• Zero Code Error +10 mV (Maximum)

• Full-Scale Error −0.7 %FS (Maximum)

• Supply Power

– Normal

– 380 μW (3 V)

– 730 μW (5 V) Typical

– Power Down

– 0.5 μW (3 V)

– 0.9 μW (5 V) Typical

2 Applications

• Industrial Process Control

• Portable Instruments

• Digital Gain and Offset Adjustments

• Programmable Voltage and Current Sources

• Test Equipment

3 Description

The DAC081C08x device is an 8-bit, single-channel,

voltage-output digital-to-analog converter (DAC) that

operates from a 2.7-V to 5.5-V supply. The output

amplifier allows rail-to-rail output swing and has an

4.5-μsec settling time. The DAC081C081 uses the

supply voltage as the reference to provide the widest

dynamic output range and typically consumes 132 μA

while operating at 5 V. It is available in 6-lead SOT

and WSON packages and provides three address

options (pin selectable).

As an alternative, the DAC081C085 provides nine I2C

addressing options and uses an external reference. It

has the same performance and settling time as the

DAC081C081. It is available in an 8-lead VSSOP.

The DAC081C081 and DAC081C085 use a 2-wire,

I2C-compatible serial interface that operates in all

three speed modes, including high-speed mode (3.4

MHz). An external address selection pin allows up to

three DAC081C081 or nine DAC081C085 devices

per 2-wire bus. Pin-compatible alternatives to the

DAC081C081 are available that provide additional

address options.