LTC1446IS8 Description
The LTC®1446/LTC1446L are dual 12-bit digital-to-analog converters (DACs) available in a 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. The LTC1446L has an internal reference and a full-scale output of 2.5V.
It operates from a single 2.7V to 5.5V supply.
LTC1446IS8 Features
Dual DACs with 12-Bit Resolution
SO-8 Package
Rail-to-Rail Output Amplifiers
Internal Reference
Maximum DNL Error: 0.5LSB
3V Operation (LTC1446L): ICC = 650µA Typ
5V Operation (LTC1446): ICC = 1000µA Typ
Settling Time: 14µs to ±0.5LSB
Power-On Reset Clears DACs to 0V
3-Wire Cascadable Serial Interface with 500kHz Update Rate
Schmitt Trigger On Input Allows Direct Optocoupler Interface
Low Cost
LTC1446IS8 Applications
Digital Calibration
Industrial Process Control
Automatic Test Equipment
Cellular Telephones
