ZHCSF09A May   2016  – October 2024 FDC2112-Q1 , FDC2114-Q1 , FDC2212-Q1 , FDC2214-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  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 Switching Characteristics - I2C
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Clocking Architecture
      2. 6.3.2 Multi-Channel and Single-Channel Operation
      3. 6.3.3 Current Drive Control Registers
      4. 6.3.4 Device Status Registers
      5. 6.3.5 Input Deglitch Filter
    4. 6.4 Device Functional Modes
      1. 6.4.1 Start-Up Mode
      2. 6.4.2 Normal (Conversion) Mode
      3. 6.4.3 Sleep Mode
      4. 6.4.4 Shutdown Mode
        1. 6.4.4.1 Reset
    5. 6.5 Programming
      1. 6.5.1 I2C Interface Specifications
    6. 6.6 Register Maps
      1. 6.6.1  Register List
      2. 6.6.2  Address 0x00, DATA_CH0
      3. 6.6.3  Address 0x01, DATA_LSB_CH0 (FDC2212 / FDC2214 only)
      4. 6.6.4  Address 0x02, DATA_CH1
      5. 6.6.5  Address 0x03, DATA_LSB_CH1 (FDC2212 / FDC2214 only)
      6. 6.6.6  Address 0x04, DATA_CH2 (FDC2114, FDC2214 only)
      7. 6.6.7  Address 0x05, DATA_LSB_CH2 (FDC2214 only)
      8. 6.6.8  Address 0x06, DATA_CH3 (FDC2114, FDC2214 only)
      9. 6.6.9  Address 0x07, DATA_LSB_CH3 (FDC2214 only)
      10. 6.6.10 Address 0x08, RCOUNT_CH0
      11. 6.6.11 Address 0x09, RCOUNT_CH1
      12. 6.6.12 Address 0x0A, RCOUNT_CH2 (FDC2114, FDC2214 only)
      13. 6.6.13 Address 0x0B, RCOUNT_CH3 (FDC2114, FDC2214 only)
      14. 6.6.14 Address 0x0C, OFFSET_CH0 (FDC21112 / FDC2114 only)
      15. 6.6.15 Address 0x0D, OFFSET_CH1 (FDC21112 / FDC2114 only)
      16. 6.6.16 Address 0x0E, OFFSET_CH2 (FDC2114 only)
      17. 6.6.17 Address 0x0F, OFFSET_CH3 (FDC2114 only)
      18. 6.6.18 Address 0x10, SETTLECOUNT_CH0
      19. 6.6.19 Address 0x11, SETTLECOUNT_CH1
      20. 6.6.20 Address 0x12, SETTLECOUNT_CH2 (FDC2114, FDC2214 only)
      21. 6.6.21 Address 0x13, SETTLECOUNT_CH3 (FDC2114, FDC2214 only)
      22. 6.6.22 Address 0x14, CLOCK_DIVIDERS_CH0
      23. 6.6.23 Address 0x15, CLOCK_DIVIDERS_CH1
      24. 6.6.24 Address 0x16, CLOCK_DIVIDERS_CH2 (FDC2114, FDC2214 only)
      25. 6.6.25 Address 0x17, CLOCK_DIVIDERS_CH3 (FDC2114, FDC2214 only)
      26. 6.6.26 Address 0x18, STATUS
      27. 6.6.27 Address 0x19, ERROR_CONFIG
      28. 6.6.28 Address 0x1A, CONFIG
      29. 6.6.29 Address 0x1B, MUX_CONFIG
      30. 6.6.30 Address 0x1C, RESET_DEV
      31. 6.6.31 Address 0x1E, DRIVE_CURRENT_CH0
      32. 6.6.32 Address 0x1F, DRIVE_CURRENT_CH1
      33. 6.6.33 Address 0x20, DRIVE_CURRENT_CH2 (FDC2114 / FDC2214 only)
      34. 6.6.34 Address 0x21, DRIVE_CURRENT_CH3 (FDC2114 / FDC2214 only)
      35. 6.6.35 Address 0x7E, MANUFACTURER_ID
      36. 6.6.36 Address 0x7F, DEVICE_ID
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Sensor Configuration
      2. 7.1.2 Shield
      3. 7.1.3 Power-Cycled Applications
      4. 7.1.4 Inductor Self-Resonant Frequency
      5. 7.1.5 Application Curves for Proximity Sensing
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Recommended Initial Register Configuration Values
      3. 7.2.3 Application Curve
    3. 7.3 Best Design Practices
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

3 说明

电容式感应是一种具有低功耗、高分辨率的非接触式感应技术，适用于接近检测和手势识别等各类应用。电容式感应系统中的传感器可以采用任意金属或导体，因此可实现高度灵活的系统设计。

电容式感应应用灵敏度的主要限制因素在于传感器的噪声敏感性。FDC2x1x-Q1 采用谐振感应架构，即使在荧光环境中也能使性能保持不变。

FDC2x1x-Q1 是多通道系列高分辨率、高速电容数字转换器，用于实施电容式感应解决方案。该系列器件采用基于窄带的创新型架构，可对噪声进行高度抑制，同时在高速条件下提供高分辨率。该系列器件支持宽激励频率范围，可为系统设计带来灵活性。

封装信息
器件型号封装(1)封装尺寸(2)
FDC2112-Q1DNT (WSON, 12)4mm × 4mm
FDC2114-Q1RGH（WQFN，16）4mm × 4mm
FDC2212-Q1DNT (WSON, 12)4mm × 4mm
FDC2214-Q1RGH（WQFN，16）4mm × 4mm
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购米6体育平台手机版_好二三四附录。
(2) 封装尺寸（长 × 宽）为标称值，并包括引脚（如适用）。
FDC2112-Q1 FDC2114-Q1 FDC2212-Q1 FDC2214-Q1 简化原理图简化原理图
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