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