DESCRIPTION

The WM2638 is a dual 12-bit voltage output, resistor string, digitalto-analogue converter. A software controlled power down mode is provided that reduces current consumption to 10nA.

FEATURES

• Two 12-bit voltage output DACs

• Single 2.7V to 5.5V supply operation

• DNL ±0.4 LSBs, INL ±2 LSBs

• Low power consumption

• 12mW typical in fast mode

• 6mW typical in slow mode

• TMS320, (Q)SPI™, and Microwire™ compatible serial interface

• Programmable settling time 1ms or 3.5ms typical

• Power down mode 10nA

APPLICATIONS

• Battery powered test instruments

• Digital offset and gain adjustment

• Battery operated/remote industrial controls

• Machine and motion control devices

• Cellular telephones

• Wireless telephones and communication systems

• Speech synthesis

• Arbitrary waveform generation