DESCRIPTION

The WM2637 is a dual 10-bit voltage output, resistor string, digitalto-analogue converter. A software controlled power down mode is provided that reduces current consumption to 10nA.

FEATURES

• Dual 10-bit voltage output DAC

• Single 2.7V to 5.5V supply

• DNL ±0.1 LSBs, INL ±0.4 LSBs

• Internal programmable voltage reference

• Low power consumption:

• 5.5 mW, slow mode - 5V supply

• 3.3 mW, slow mode - 3V supply

• TMS320, (Q) SPITM, and MicrowireTM compatible serial interface

• Programmable settling time of 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

• Wireless telephone and communication systems

• Speech synthesis

• Arbitrary waveform generation