LTC1454

PRODUCTION

Dual 12-Bit Rail-to-Rail Micropower DACs

Data Sheet Product Selection Table
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Overview

  • 12-Bit Resolution
  • Buffered True Rail-to-Rail Voltage Output
  • 5V Operation, ICC: 700µA Typ (LTC1454)
  • 3V Operation, ICC: 450µA Typ (LTC1454L)
  • Built-In Reference: 2.048V (LTC1454)
    • 1.220V (LTC1454L)
  • CLR Pin
  • Power-On Reset
  • 16-Lead SO Package
  • 3-Wire Cascadable Serial Interface
  • Maximum DNL Error: 0.5LSB
  • Low Cost

The LTC1454/LTC1454L are complete single supply, dual rail-to-rail voltage output, 12-bit digital-to-analog converters (DACs) in a 16-lead SO package. They include an output buffer amplifier with variable gain (×1 or ×2) and an easy-to-use 3-wire cascadable serial interface.

The LTC1454 has an on board reference of 2.048V and a full-scale output of 4.095V in a ×2 gain configuration. It operates from a single 4.5V to 5.5V supply.

The LTC1454L has an on board 1.22V reference and a full-scale output of 2.5V in a ×2 gain configuration. It operates from a single 2.7V to 5.5V supply.

Low power supply current, excellent DNL and small size allow these parts to be used in a host of applications where size, DNL and single supply operation are important.

Applications

  • Digital Calibration
  • Industrial Process Control
  • Automatic Test Equipment
  • Cellular Telephones
LTC1454
Dual 12-Bit Rail-to-Rail Micropower DACs
Functional Block Diagram: Dual 12-Bit Rail-to-Rail DAC Differential Nonlinearity vs Input Code Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 1
LTC2632
PRODUCTION Dual 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference
Interface Transceivers & Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
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