JAJSLP4 December   2021 DAC43508 , DAC53508

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Device Comparison Table
  6. Pin Configurations and Functions
  7. Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics
    6. 7.6  Timing Requirements: SPI
    7. 7.7  Timing Requirements: Logic
    8. 7.8  Timing Diagrams
    9. 7.9  Typical Characteristics: Static Performance
    10. 7.10 Typical Characteristics: Dynamic Performance
    11. 7.11 Typical Characteristics: General
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Digital-to-Analog Converter (DAC) Architecture
        1. 8.3.1.1 DAC Transfer Function
        2. 8.3.1.2 DAC Register Update and LDAC Functionality
        3. 8.3.1.3 CLR Functionality
        4. 8.3.1.4 Output Amplifier
      2. 8.3.2 Reference
      3. 8.3.3 Power-On Reset (POR)
      4. 8.3.4 Software Reset
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down Mode
    5. 8.5 Programming
      1. 8.5.1 Serial Peripheral Interface (SPI)
    6. 8.6 Register Map
      1. 8.6.1 DEVICE_CONFIG Register (address = 01h) [reset = 00FFh]
      2. 8.6.2 STATUS_TRIGGER Register (address = 02h) [reset = 0000h]
      3. 8.6.3 BRDCAST Register (address = 03h) [reset = 0000h]
      4. 8.6.4 DACn_DATA Register (address = 08h to 0Fh) [reset = 0000h]
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Programmable LED Biasing
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Programmable Window Comparator
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 ドキュメントの更新通知を受け取る方法
    3. 12.3 サポート・リソース
    4. 12.4 Trademarks
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 用語集
  13. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Programmable LED Biasing

End equipments such as multifunction printers, projectors and electronic point-of-sale (EPOS) require a steady luminous intensity from the LED. Figure 9-1 shows a simplified circuit diagram for biasing an LED using the DAC53508.

GUID-20211021-SS0I-HWF5-7NLN-TSZGTFSZLSSH-low.svg Figure 9-1 Programmable LED Biasing