SLASF62 June   2024 DAC80516

ADVANCE INFORMATION  

  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 - I2C Standard Mode
    7. 5.7  Timing Requirements - I2C Fast Mode
    8. 5.8  Timing Requirements - I2C Fast Mode Plus
    9. 5.9  Timing Requirements - SPI
    10. 5.10 Switching Characteristics
    11. 5.11 Timing Diagrams
    12. 5.12 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
        1. 6.3.1.1 DAC Register Structure
          1. 6.3.1.1.1 DAC Synchronous Operation
          2. 6.3.1.1.2 DAC Buffer Amplifier
          3. 6.3.1.1.3 DAC Transfer Function
      2. 6.3.2 Internal Reference
      3. 6.3.3 Power-On Reset (POR)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Clear Mode
    5. 6.5 Programming
      1. 6.5.1 I2C Serial Interface
        1. 6.5.1.1 I2C Bus Overview
        2. 6.5.1.2 I2C Bus Definitions
        3. 6.5.1.3 I2C Target Address Selection
        4. 6.5.1.4 I2C Read and Write Operations
        5. 6.5.1.5 I2C General-Call Reset
      2. 6.5.2 Serial Peripheral Interface (SPI)
        1. 6.5.2.1 SPI Bus Overview
  8. 7 Register Map
    1. 7.1 DAC80516 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Bipolar Voltage Output
    2. 8.2 Typical Application
      1. 8.2.1 Programmable High-Current Voltage Output Circuit
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
    3. 8.3 Initialization Setup
    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 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Tape and Reel Information

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発注情報

8.5.1 Layout Guidelines

A precision analog component requires careful layout, the list below provides some insight into good layout practices.

  • Bypass all power supply pins to ground with a low ESR ceramic bypass capacitor. The typical recommended bypass capacitance is 0.1µF to 0.22µF ceramic with a X7R or NP0 dielectric.
  • Place power supplies and REF bypass capacitors close to the pins to minimize inductance and optimize performance.
  • Use a high-quality, ceramic, type NP0 or X7R for optimized performance across temperature, and very low dissipation factor.
  • The digital and analog sections must have proper placement with respect to the digital pins and analog pins of the DAC80516 device. The separation of analog and digital blocks minimizes coupling into neighboring blocks, as well as interaction between analog and digital return currents.