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