生产厂家
Wolfson Microelectronics plc
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
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