SBAS650C May   2014  – April 2021 AFE4403

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Family Options
  6. 6 Pin Configuration and Functions
  7. 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
    7. 7.7 Timing Requirements: Supply Ramp and Power-Down
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Receiver Channel
        1. 8.3.1.1 Receiver Front-End
        2. 8.3.1.2 Ambient Cancellation Scheme and Second Stage Gain Block
        3. 8.3.1.3 Receiver Control Signals
        4. 8.3.1.4 Receiver Timing
      2. 8.3.2 Clocking and Timing Signal Generation
      3. 8.3.3 Timer Module
        1. 8.3.3.1 Using the Timer Module
      4. 8.3.4 Receiver Subsystem Power Path
      5. 8.3.5 Transmit Section
        1. 8.3.5.1 Third LED Support
        2. 8.3.5.2 Transmitter Power Path
        3. 8.3.5.3 LED Power Reduction During Periods of Inactivity
        4. 8.3.5.4 LED Configurations
    4. 8.4 Device Functional Modes
      1. 8.4.1 ADC Operation and Averaging Module
        1. 8.4.1.1 Operation Without Averaging
        2. 8.4.1.2 Operation With Averaging
        3. 8.4.1.3 Dynamic Power-Down Mode
      2. 8.4.2 Diagnostics
        1. 8.4.2.1 Photodiode-Side Fault Detection
        2. 8.4.2.2 Transmitter-Side Fault Detection
        3. 8.4.2.3 Diagnostics Module
    5. 8.5 Programming
      1. 8.5.1 Serial Programming Interface
      2. 8.5.2 Reading and Writing Data
        1. 8.5.2.1 Writing Data
        2. 8.5.2.2 Reading Data
        3. 8.5.2.3 Multiple Data Reads and Writes
        4. 8.5.2.4 Register Initialization
        5. 8.5.2.5 AFE SPI Interface Design Considerations
    6. 8.6 Register Maps
      1. 8.6.1 AFE Register Map
      2. 8.6.2 AFE Register Description
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Consumption Considerations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Electrostatic Discharge Caution
    3. 12.3 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

4 Revision History

Changes from Revision B (July 2014) to Revision C (February 2021)

  • Moved the Storage temperature range from the ESD table to the Absolute Maximum Ratings tableGo
  • Added paragraph starting "ADC_RDY is an interrupt issued by the AFE …." in the ADC Operation and Averaging Module sectionGo
  • Changed figure Averaging Module in the ADC Operation and Averaging Module sectionGo
  • Changed Section Operation Without Averaging Go
  • Changed the introduction paragraph in Section Operation With Averaging Go
  • Changed all the bullet points in Section Operation With Averaging Go
  • Deleted the paragraph starting with "When the number of averages is 0..." in Section Operation With Averaging Go
  • Changed Figure - "ADC Data Without Averaging (When Number of Averages = 0)" in Section Operation With Averaging Go
  • Added Note after Figure - "ADC Data Without Averaging (When Number of Averages = 0)" in Section Operation With Averaging Go
  • Changed Figure - "ADC Data with Averaging Enabled" in Section Operation With Averaging Go
  • Added Note after Figure - "ADC Data with Averaging Enabled" in Section Operation With Averaging Go
  • Changed the paragraph startng with "The sequence of the..." in Section Dynamic Power-Down Mode Go
  • Added paragraph starting "The time window between the ADC_RDY …." in Section Dynamic Power-Down Mode Go
  • Changed LED2VAL[23:0] bit description in Section AFE Register Description Go
  • Changed ALED2VAL[23:0] bit description in Section AFE Register Description Go
  • Changed LED1VAL[23:0] bit description in Section AFE Register Description Go
  • Changed ALED1VAL[23:0] bit description in Section AFE Register Description Go
  • Changed LED2-ALED2VAL[23:0] bit description in Section AFE Register Description Go
  • Changed LED1-ALED1VAL[23:0] bit description in Section AFE Register Description Go

Changes from Revision A (June 2014) to Revision B (July 2014)

  • Changed Pin Configuration diagram: changed Top View to Bottom View Go
  • Added footnote to Figure 8-6 Go

Changes from Revision * (May 2014) to Revision A (June 2014)

  • Changed document status to Production Data Go
  • Changed first and third sub-bullets of Flexible Clocking Features bullet Go
  • Changed MIN to NOM in Body Size column of Device Information table Go
  • Added Device Family Options table and Pin Configuration and Functions sectionGo
  • Added Specifications sectionGo
  • Added Application and Implementation sectionGo
  • Added Power Supply Recommendations section Go
  • Added Layout sectionGo