JAJSMP8D May   2023  – December 2024 OPT4001-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  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
    7. 5.7 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 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
  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 (PicoStar Variant)
          2. 8.2.1.2.2 Optomechanical Design (USON, SOT-5X3 Variant)
        3. 8.2.1.3 Application Curves (PicoStar Variant)
        4. 8.2.1.4 Application Curves (Other Variants)
    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, SOT-5X3 Variant)
      2. 8.5.2 Layout Example
  10. 9 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

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

6.4.7 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 REGISTER CONVERSION TIME MANTISSA EFFECTIVE BITS EXPONENT
0 1 2 3 4 5 6 7 8
FULL-SCALE LUX (Effective Resolution in Lux)
328 655 1310 2621 5243 10486 20972 41943 83886
0 600 µs 9 640 m 1.28 2.56 5.12 10.24 20.48 40.96 81.82 163.84
1 1 ms 10 320 m 640 m 1.28 2.56 5.12 10.24 20.48 40.96 81.82
2 1.8 ms 11 160 m 320 m 640 m 1.28 2.56 5.12 10.24 20.48 40.96
3 3.4 ms 12 80 m 160 m 320 m 640 m 1.28 2.56 5.12 10.24 20.48
4 6.5 ms 13 40 m 80 m 160 m 320 m 640 m 1.28 2.56 5.12 10.24
5 12.7 ms 14 20 m 40 m 80 m 160 m 320 m 640 m 1.28 2.56 5.12
6 25 ms 15 10 m 20 m 40 m 80 m 160 m 320 m 640 m 1.28 2.56
7 50 ms 16 5 m 10 m 20 m 40 m 80 m 160 m 320 m 640 m 1.28
8 100 ms 17 2.5 m 5 m 10 m 20 m 40 m 80 m 160 m 320 m 640 m
9 200 ms 18 1.25 m 2.5 m 5 m 10 m 20 m 40 m 80 m 160 m 320 m
10 400 ms 19 0.625 m 1.25 m 2.5 m 5 m 10 m 20 m 40 m 80 m 160 m
11 800 ms 20 0.3125 m 0.625 m 1.25 m 2.5 m 5 m 10 m 20 m 40 m 80 m
Table 6-6 Resolution Table for the USON Variant
CONVERSION_TIME REGISTER CONVERSION TIME MANTISSA EFFECTIVE BITS EXPONENT
0 1 2 3 4 5 6 7 8
FULL-SCALE LUX (Effective Resolution in Lux)
419 839 1678 3355 6711 13422 26844 53687 107374
0 600 µs 9 819.2 m 1.64 3.28 6.55 13.11 26.21 52.43 104.86 209.72
1 1 ms 10 409.6 m 819.2 m 1.64 3.28 6.55 13.11 26.21 52.43 104.86
2 1.8 ms 11 204.8 m 409.6 m 819.2 m 1.64 3.28 6.55 13.11 26.21 52.43
3 3.4 ms 12 102.4 m 204.8 m 409.6 m 819.2 m 1.64 3.28 6.55 13.11 26.21
4 6.5 ms 13 51.2 m 102.4 m 204.8 m 409.6 m 819.2 m 1.64 3.28 6.55 13.11
5 12.7 ms 14 25.6 m 51.2 m 102.4 m 204.8 m 409.6 m 819.2 m 1.64 3.28 6.55
6 25 ms 15 12.8 m 25.6 m 51.2 m 102.4 m 204.8 m 409.6 m 819.2 m 1.64 3.28
7 50 ms 16 6.4 m 12.8 m 25.6 m 51.2 m 102.4 m 204.8 m 409.6 m 819.2 m 1.64
8 100 ms 17 3.2 m 6.4 m 12.8 m 25.6 m 51.2 m 102.4 m 204.8 m 409.6 m 819.2 m
9 200 ms 18 1.6 m 3.2 m 6.4 m 12.8 m 25.6 m 51.2 m 102.4 m 204.8 m 409.6 m
10 400 ms 19 0.8 m 1.6 m 3.2 m 6.4 m 12.8 m 25.6 m 51.2 m 102.4 m 204.8 m
11 800 ms 20 0.4 m 0.8 m 1.6 m 3.2 m 6.4 m 12.8 m 25.6 m 51.2 m 102.4 m
Table 6-7 Resolution Table for the SOT-5X3 Variant
CONVERSION_TIME REGISTER CONVERSION TIME MANTISSA EFFECTIVE BITS EXPONENT
0 1 2 3 4 5 6 7 8
FULL-SCALE LUX (Effective Resolution in Lux)
459 918 1835 3670 7340 14680 29360 58720 117440
0 600 µs 9 896 m 1.79 3.58 7.17 14.34 28.67 57.34 114.69 229.38
1 1 ms 10 448 m 896 m 1.79 3.58 7.17 14.34 28.67 57.34 114.69
2 1.8 ms 11 224 m 448 m 896 m 1.79 3.58 7.17 14.34 28.67 57.34
3 3.4 ms 12 112 m 224 m 448 m 896 m 1.79 3.58 7.17 14.34 28.67
4 6.5 ms 13 56.00 m 112 m 224 m 448 m 896 m 1.79 3.58 7.17 14.34
5 12.7 ms 14 28.00 m 56.00 m 112 m 224 m 448 m 896 m 1.79 3.58 7.17
6 25 ms 15 14.00 m 28.00 m 56.00 m 112 m 224 m 448 m 896 m 1.79 3.58
7 50 ms 16 7.00 m 14.00 m 28.00 m 56.00 m 112 m 224 m 448 m 896 m 1.79
8 100 ms 17 3.50 m 7.00 m 14.00 m 28.00 m 56.00 m 112 m 224 m 448 m 896 m
9 200 ms 18 1.75 m 3.50 m 7.00 m 14.00 m 28.00 m 56.00 m 112 m 224 m 448 m
10 400 ms 19 0.875 m 1.75 m 3.50 m 7.00 m 14.00 m 28.00 m 56.00 m 112 m 224 m
11 800 ms 20 0.4375 m 0.875 m 1.75 m 3.50 m 7.00 m 14.00 m 28.00 m 56.00 m 112 m