WM2638 Dual 12-Bit Serial Input
Voltage Output DAC with Internal reference
Production Data, Rev 1.
0, July 1999
FEATURES
• • • • Two 12-bit
voltage output DACs Single 2.
7V to 5.
5V supply operation DNL ± 0.
4 LSBs, INL ± 2 LSBs Low power consumption • 12mW typical in fast mode • 6mW typical in slow mode TMS320, (Q)SPI™ , and Microwire™ compatible serial interface Programmable settling time 1µ s or 3.
5µ s typical Power down mode 10nA
DESCRIPTION
The WM2638 is a dual 12-bit
voltage output, resistor string, digitalto-analogue converter.
A software controlled power down mode is provided that reduces current consumption to 10nA.
The WM2638 features an internal programmable
voltage reference simpli...