JAJSMP8C May   2023  – June 2024 OPT4001-Q1

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Pin Configuration and Functions
  6. 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
    7. 5.7 Timing Diagram
    8. 5.8 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Spectral Matching to Human Eye
      2. 6.3.2 Automatic Full-Scale Range Setting
      3. 6.3.3 Error Correction Code (ECC) Features
        1. 6.3.3.1 Output Sample Counter
        2. 6.3.3.2 Output CRC
      4. 6.3.4 Output Register FIFO
      5. 6.3.5 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
        4. 6.5.2.4 SMBus Alert Response (USON Variant)
  8. Register Maps
    1. 7.1 Register Descriptions
  9. 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 (PicoStar Variant)
          2. 8.2.1.2.2 Optomechanical Design (USON Variant)
        3. 8.2.1.3 Application Curves (PicoStar Variant)
        4. 8.2.1.4 Application Curves (USON Variant)
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
        1. 8.5.1.1 Soldering and Handling Recommendations (PicoStar Variant)
          1. 8.5.1.1.1 Solder Paste
          2. 8.5.1.1.2 Package Placement
          3. 8.5.1.1.3 Reflow Profile
          4. 8.5.1.1.4 Special Flexible Printed-Circuit Board (FPCB) Recommendations
          5. 8.5.1.1.5 Rework Process
        2. 8.5.1.2 Soldering and Handling Recommendations (USON Variant)
      2. 8.5.2 Layout Example
  10. デバイスおよびドキュメントのサポート
    1. 9.1 ドキュメントのサポート
      1. 9.1.1 Related Documentation
    2. 9.2 ドキュメントの更新通知を受け取る方法
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Light Resolution

The effective resolution of the OPT4001-Q1 is dependent on both the conversion time setting and the full-scale light range. Although the LSB resolution of the linear ADC_CODES does not change, the effective or useful resolution of the device is dependent (as per Table 6-6) on the conversion time setting and the full-scale range. In conversion times where the effective resolution is lower, the LSBs are padded with 0.

Table 6-5 Resolution Table for the PicoStar™ Variant
CONVERSION_TIME REGISTERCONVERSION TIMEMANTISSA EFFECTIVE BITSEXPONENT
012345678
FULL-SCALE LUX (Effective Resolution in Lux)
32865513102621524310486209724194383886
0600 µs9640 m1.282.565.1210.2420.4840.9681.82163.84
11 ms10320 m640 m1.282.565.1210.2420.4840.9681.82
21.8 ms11160 m320 m640 m1.282.565.1210.2420.4840.96
33.4 ms1280 m160 m320 m640 m1.282.565.1210.2420.48
46.5 ms1340 m80 m160 m320 m640 m1.282.565.1210.24
512.7 ms1420 m40 m80 m160 m320 m640 m1.282.565.12
625 ms1510 m20 m40 m80 m160 m320 m640 m1.282.56
750 ms165 m10 m20 m40 m80 m160 m320 m640 m1.28
8100 ms172.5 m5 m10 m20 m40 m80 m160 m320 m640 m
9200 ms181.25 m2.5 m5 m10 m20 m40 m80 m160 m320 m
10400 ms190.625 m1.25 m2.5 m5 m10 m20 m40 m80 m160 m
11800 ms200.3125 m0.625 m1.25 m2.5 m5 m10 m20 m40 m80 m
Table 6-6 Resolution Table for the USON Variant
CONVERSION_TIME REGISTERCONVERSION TIMEMANTISSA EFFECTIVE BITSEXPONENT
012345678
FULL-SCALE LUX (Effective Resolution in Lux)
419839167833556711134222684453687107374
0600 µs9819.2 m1.643.286.5513.1126.2152.43104.86209.72
11 ms10409.6 m819.2 m1.643.286.5513.1126.2152.43104.86
21.8 ms11204.8 m409.6 m819.2 m1.643.286.5513.1126.2152.43
33.4 ms12102.4 m204.8 m409.6 m819.2 m1.643.286.5513.1126.21
46.5 ms1351.2 m102.4 m204.8 m409.6 m819.2 m1.643.286.5513.11
512.7 ms1425.6 m51.2 m102.4 m204.8 m409.6 m819.2 m1.643.286.55
625 ms1512.8 m25.6 m51.2 m102.4 m204.8 m409.6 m819.2 m1.643.28
750 ms166.4 m12.8 m25.6 m51.2 m102.4 m204.8 m409.6 m819.2 m1.64
8100 ms173.2 m6.4 m12.8 m25.6 m51.2 m102.4 m204.8 m409.6 m819.2 m
9200 ms181.6 m3.2 m6.4 m12.8 m25.6 m51.2 m102.4 m204.8 m409.6 m
10400 ms190.8 m1.6 m3.2 m6.4 m12.8 m25.6 m51.2 m102.4 m204.8 m
11800 ms200.4 m0.8 m1.6 m3.2 m6.4 m12.8 m25.6 m51.2 m102.4 m