DESCRIPTION
The LTC®1451/LTC1452/LTC1453 are complete single supply, rail-to-rail voltage output 12-bit digital-to-analog converters (DACs) in an SO-8 package. They include an output buffer amplifier and an easy-to-use 3-wire cascadable serial interface.

FEATURES
■ 12-Bit Resolution
■ Buffered True Rail-to-Rail Voltage Output
■ 3V Operation (LTC1453), ICC: 250µA Typ
■ 5V Operation (LTC1451), ICC: 400µA Typ
■ 3V to 5V Operation (LTC1452), ICC: 225µA Typ
■ Built-In Reference: 2.048V (LTC1451) 1.220V (LTC1453)
■ Multiplying Version (LTC1452)
■ Power-On Reset
■ SO-8 Package
■ 3-Wire Cascadable Serial Interface
■ Maximum DNL Error: 0.5LSB
■ Schmitt Trigger on Clock Input Allows Direct Optocoupler Interface

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