SBOSAC8 December   2024 OPT4041

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 I2C Interface Timing Requirements
    7. 5.7 I2C Timing Diagram
    8. 5.8 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 Spectral Response
        1. 6.3.1.1 Channel 0: Human Eye Matching
        2. 6.3.1.2 Channel 1: Wide Band
      2. 6.3.2 Automatic Full-Scale Range Setting
      3. 6.3.3 Output Register CRC and Counter
        1. 6.3.3.1 Output Sample Counter
        2. 6.3.3.2 Output CRC
      4. 6.3.4 Threshold Detection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Modes of Operation
      2. 6.4.2 Interrupt Modes of Operation
      3. 6.4.3 Light Range Selection
      4. 6.4.4 Selecting Conversion Time
      5. 6.4.5 Light Measurement in Lux
      6. 6.4.6 Threshold Detection Calculations
      7. 6.4.7 Light Resolution
    5. 6.5 Programming
      1. 6.5.1 I2C Bus Overview
        1. 6.5.1.1 Serial Bus Address
        2. 6.5.1.2 Serial Interface
      2. 6.5.2 Writing and Reading
        1. 6.5.2.1 High-Speed I2C Mode
        2. 6.5.2.2 Burst Read Mode
        3. 6.5.2.3 General-Call Reset Command
  8. 7 Register Maps
    1. 7.1 Register Descriptions
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Electrical Interface
        1. 8.2.1.1 Design Requirements
          1. 8.2.1.1.1 Optical Interface
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Optomechanical Design
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
        1. 8.5.2.1 Soldering and Handling Recommendations
  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 Mechanical Data
    2. 11.2 Package Option Addendum
    3. 11.3 Tape and Reel Information

Package Options

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

1 Features

  • High precision, high speed light-to-digital conversion over high speed I2C interface
  • Visible channel:
    • Precision optical filtering to closely match human eye with excellent near infrared (IR) rejection
    • 28 bits of effective dynamic range: 585μlux to 157klux
  • Wide band channel:
    • Responsive to a wide range of wavelengths, including NIR
    • 26 bits of effective dynamic range: 192.3pW/cm2 to 12.91mW/cm2
  • Semi-logarithmic output:
    • 9 (visible channel) and 7 (WB channel) binary logarithmic full-scale light ranges
    • Highly linear response within each range
  • Built-in automatic full-scale light range selection logic that switches measurement range based on input light condition for best possible resolution at all times
  • 12 configurable conversion times:
    • 600μs to 800ms per channel for high-speed and high-precision applications
  • External pin interrupt for hardware synchronized trigger and interrupts
  • Internal FIFO on output registers with I2C burst readout
  • Low operating current: 30μA
    with ultra-low power standby: 2μA
  • Operating temperature range: –40°C to +85°C
  • Wide power-supply range: 1.6V to 3.6V
  • 5.5V Tolerant I/O pins
  • Selectable I2C address
  • Small-form factor:
    • 2.1mm × 1.9mm × 0.6mm SOT-5X3 package