LTC1450IN

数模转换器- DAC LTC1450 - Parallel Input, 12-Bit Rail-to-Rail Micropower DACs in SSOP

DESCRIPTION

The LTC®1450/LTC1450L are complete single supply, rail-to-rail voltage output, 12-bit digital-to-analog converters DACs in a 24-pin SSOP or PDIP package. They include an output buffer amplifier, reference and a double buffered parallel digital interface.

The LTC1450 operates from a 4.5V to 5.5V supply. The output can be pin strapped for 4.095V or 2.048V full-scale. It has a 2.048V internal reference.

FEATURES

■ Guaranteed Monotonic

■ Buffered True Rail-to-Rail Voltage Output

■ 12-Bit Resolution

■ 3V Operation LTC1450L ICC: 250µA Typ

■ 5V Operation LTC1450 ICC: 400µA Typ

■ Parallel 12-Bit or 8 + 4-Bit Double Buffered Digital Input

■ Internal Reference

■ Output Buffer Configurable to Gain of 1 or 2

■ Configurable as a Multiplying DAC

■ Internal Power-On Reset

■ Maximum DNL Error: 0.5LSB

APPLICATIONS

■ Digital Calibration

■ Industrial Process Control

■ Automatic Test Equipment

■ Arbitrary Function Generators

■ Battery-Powered Data Conversion Products

■ Feedback Control Loops and Gain Control