DESCRIPTION
The LTC®1659 is a single supply, rail-to-rail voltage output, 12-bit digital-to-analog converter (DAC) in an MSOP package. It includes a rail-to-rail output buffer amplifier and an easy-to-use 3-wire cascadable serial interface.

FEATURES
■ Buffered True Rail-to-Rail Voltage Output
■ Maximum DNL Error: 0.5LSB
■ 12-Bit Resolution
■ Supply Operation: 3V to 5V
■ Output Swings from 0V to VREF
■ VREF Can Tie to VCC
■ Schmitt Trigger On Clock Input Allows Direct Optocoupler Interface
■ Power-On Reset Clears DAC to 0V
■ 3-Wire Cascadable Serial Interface
■ Low Cost
■ 8-Lead SO and MSOP Packages

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