DESCRIPTION

The WM2639 is a 12-bit voltage output, resistor string, digital-to-analogue converter. A hardware controlled power down mode is provided that reduces current consumption to 10nA. The device has been designed to interface efficiently to industry standard microprocessors and DSPs.

FEATURES

• 12-bit voltage output DAC

• Single supply 2.7V to 5.5V operation

• DNL ±0.3 LSBs, INL ±1.2 LSBs

• Internal programmable voltage reference

• Settling time 1μs typical

• 12-bit microprocessor compatible interface

• Power down mode 10nA

APPLICATIONS

• Battery powered test instruments

• Digital offset and gain adjustment

• Battery operated/remote industrial controls

• Machine and motion control devices

• Wireless telephone and communication systems

• Speech synthesis

• Arbitrary waveform generation

• Mass storage devices