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

Typical Application

Applications

• Digital Calibration
• Industrial Process Control
• Automatic Test Equipment
• Cellular Telephones

Packaging

Datasheet

• LTC1446/LTC1446L - Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8

Application Note

• AN87 - Linear Technology Magazine Circuit Collection, Volume V: Data Conversion, Interface and Signal Conditioning Products

Design Note

• DN131 - The LTC1446/LTC1446L: World's First Dual 12-Bit DACs in SO-8
• DN138 - Micropower ADC and DAC in SO-8 Give PCs a 12-Bit Analog Interface

Reliability Data

• R392 Reliability Data

Product Selector Card

• DAC Selector Card
• Voltage Output DACs

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