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WM2639

Wolfson Microelectronics plc
Part Number WM2639
Manufacturer Wolfson Microelectronics plc
Description 12-Bit Parallel Input Voltage Output DAC with Internal Reference
Published Apr 17, 2005
Detailed Description WM2639 12-Bit Parallel Input Voltage Output DAC with Internal Reference Production Data, July 1999, Rev 1.0 FEATURES • ...
Datasheet PDF File WM2639 PDF File

WM2639
WM2639

Overview
WM2639 12-Bit Parallel Input Voltage Output DAC with Internal Reference Production Data, July 1999, Rev 1.
0 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 1µ s typical 12-bit microprocessor compatible interface Power down mode 10nA DESCRIPTION The WM2639 is a 12-bit voltage output, resistor string, digital-toanalogue 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.
The WM2639 features an internal programmable voltage reference simplifying overall system design.
The reference voltage can also be supplied externally.
Excellent performance is delivered with a typical DNL of 0.
3 LSBs and typical INL of 1.
2 LSBs.
The output stage is buffered by a x2 gain near rail-to-rail amplifier, which features a Class A output ...


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