LTC1446CN8

数模转换器- DAC LTC1446 - Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8

DESCRIPTION

The LTC®1446/LTC1446L are dual 12-bit digital-to-analog converters DACs available in an SO-8 package. They are complete with a rail-to-rail voltage output amplifier, an internal reference and an easy-to-use 3-wire cascadable serial interface.

The LTC1446 has an internal reference and a full-scale output of 4.095V. It operates from a single 4.5V to 5.5V supply.

FEATURES

■ Dual DACs with 12-Bit Resolution

■ SO-8 Package

■ Rail-to-Rail Output Amplifiers

■ 3V Operation LTC1446L: ICC = 650µA Typ

■ 5V Operation LTC1446: ICC = 1000µA Typ

■ Internal Reference

■ Power-On Reset Clears DACs to 0V

■ 3-Wire Cascadable Serial Interface

■ Maximum DNL Error: 0.5LSB

■ Low Cost

■ Schmitt Trigger On Input Allows Direct Optocoupler Interface

APPLICATIONS

■ Digital Calibration

■ Industrial Process Control

■ Automatic Test Equipment

■ Cellular Telephones