DESCRIPTION

The WM2614 is a quadruple 12-bit voltage output, resistor string, digital-to-analogue converter. Each DAC can be individually powered down under software control. A hardware controlled mode is provided that powers down all DACs. Power down reduces current consumption to 10nA.

FEATURES

• Quad 12-bit DAC voltage output DAC

• Dual 2.7V to 5.5V supply (separate digital and analogue supplies)

• DNL ±0.4 LSB, INL ±1.5 LSB

• Low power consumption:

- 5.5mW, slow mode - 5V supply

- 3.3mW, slow mode - 3V supply

• TMS320, (Q)SPIä, and Microwireä compatible serial interface

• Programmable settling time of 4ms or 12ms typical

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