DESCRIPTION
The LTC®1448 is a dual rail-to-rail voltage output, 12-bit digital-to-analog converter (DAC). It includes rail-to-rail output buffer amplifiers and an easy-to-use 3-wire serial interface. It is available in 8-pin SO and PDIP packages and provides the smallest footprint of any dual 12-bit DAC.

FEATURES
■ SO-8 Package
■ 12-Bit Resolution
■ Buffered True Rail-to-Rail Voltage Output
■ External Reference Input Can Be Tied to VCC
■ Output Swings from 0V to VREF
■ 3V and 5V Supply Operation
■ Schmitt Trigger on Clock Input Allows Direct Optocoupler Interface
■ Power-On Reset Clears DACs to 0V
■ 3-Wire Serial Interface
■ Maximum DNL Error: 0.5LSB
■ Low Cost

APPLICATIONS
■ Digital Calibration
■ Industrial Process Control
■ Automatic Test Equipment
■ Cellular Telephones