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