SLASEH4A November   2023  – December 2024 DAC61401 , DAC81401

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Timing Requirements - Write, IOVDD = 1.7V to 2.7V
    7. 5.7  Timing Requirements - Write, IOVDD = 2.7V to 5.5V
    8. 5.8  Timing Requirements - Read and Daisy Chain, FSDO = 0, IOVDD = 1.7V to 2.7V
    9. 5.9  Timing Requirements - Read and Daisy Chain, FSDO = 1, IOVDD = 1.7V to 2.7V
    10. 5.10 Timing Requirements - Read and Daisy Chain, FSDO = 0, IOVDD = 2.7V to 5.5V
    11. 5.11 Timing Requirements - Read and Daisy Chain, FSDO = 1, IOVDD = 2.7V to 5.5V
    12. 5.12 Timing Diagrams
    13. 5.13 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Digital-to-Analog Converter (DAC) Architecture
      2. 6.3.2 R-2R Ladder DAC
      3. 6.3.3 Programmable Gain Output Buffer
      4. 6.3.4 Sense Pins
      5. 6.3.5 DAC Register Structure
        1. 6.3.5.1 Output Update
        2. 6.3.5.2 Software Clear
          1. 6.3.5.2.1 Software Reset Mode
      6. 6.3.6 Internal Reference
      7. 6.3.7 Power-Supply Sequence
        1. 6.3.7.1 Power-On Reset (POR)
      8. 6.3.8 Thermal Alarm
    4. 6.4 Device Functional Modes
      1. 6.4.1 Power Down Mode
    5. 6.5 Programming
      1. 6.5.1 Stand-Alone Operation
      2. 6.5.2 Daisy-Chain Operation
      3. 6.5.3 Frame Error Checking
  8. 7 Register Map
    1. 7.1 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Key Components
        2. 8.2.2.2 Compensation Capacitor
        3. 8.2.2.3 Gain Stage
        4. 8.2.2.4 Attenuation and Buffer Stage
        5. 8.2.2.5 External Power Supply
        6. 8.2.2.6 Protection Design
        7. 8.2.2.7 Design Accuracy
      3. 8.2.3 Application Curves
    3. 8.3 Initialization Set Up
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Examples
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.1 Application Information

A primary application of the DACx1401 is programmable power supplies commonly used in automated test and laboratory equipment. With an excellent linearity of ±1 LSB INL and inherently monotonic design, the DACx1401 meets the requirement of high precision and provides a wide range of programmable voltage.