ZHCSDR2 April   2015

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 典型应用
  5. 5 修订历史记录
  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 I2C Interface Voltage Level
    7. 7.7 I2C Interface Timing
    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 The Shield
      2. 8.3.2 The CAPDAC
      3. 8.3.3 Capacitive System Offset Calibration
      4. 8.3.4 Capacitive Gain Calibration
    4. 8.4 Device Functional Modes
      1. 8.4.1 Single Ended Measurement
      2. 8.4.2 Differential Measurement
    5. 8.5 Programming
      1. 8.5.1 Serial Bus Address
      2. 8.5.2 Read/Write Operations
      3. 8.5.3 Device Usage
        1. 8.5.3.1 Measurement Configuration
        2. 8.5.3.2 Triggering Measurements
        3. 8.5.3.3 Wait for Measurement Completion
        4. 8.5.3.4 Read of Measurement Result
    6. 8.6 Register Maps
      1. 8.6.1 Registers
        1. 8.6.1.1 Capacitive Measurement Registers
      2. 8.6.2 Measurement Configuration Registers
      3. 8.6.3 FDC Configuration Register
      4. 8.6.4 Offset Calibration Registers
      5. 8.6.5 Gain Calibration Registers
      6. 8.6.6 Manufacturer ID Register
      7. 8.6.7 Device ID Register
  9. 9 Applications and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Liquid Level Sensor
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Performance Plot
    3. 9.3 Do's and Don'ts
    4. 9.4 Initialization Set Up
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档
    2. 12.2 商标
    3. 12.3 静电放电警告
    4. 12.4 术语表
  13. 13机械、封装和可订购信息

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

6 Pin Configuration and Functions

DGS Package
10 Pin VSSOP
Top View
FDC1004Q pkg_snoscz4.gif

Pin Functions

PIN TYPE(1) DESCRIPTION
NAME NO.
SHLD1 1 A Capacitive Input Active AC Shielding.
CIN1 2 A Capacitive Input. The measured capacitance is connected between the CIN1 pin and GND. If not used, this pin should be left as an open circuit.
CIN2 3 A Capacitive Input. The measured capacitance is connected between the CIN2 pin and GND. If not used, this pin should be left as an open circuit.
CIN3 4 A Capacitive Input. The measured capacitance is connected between the CIN3 pin and GND. If not used, this pin should be left as an open circuit.
CIN4 5 A Capacitive Input. The measured capacitance is connected between the CIN4 pin and GND. If not used, this pin should be left as an open circuit.
SHLD2 6 A Capacitive Input Active AC Shielding.
GND 7 G Ground
VDD 8 P Power Supply Voltage. This pin should be decoupled to GND, using a low impedance capacitor, for example in combination with a 1-μF tantalum and a 0.1-μF multilayer ceramic.
SCL 9 I Serial Interface Clock Input. Connects to the master clock line. Requires pull-up resistor if not already provided elsewhere in the system.
SDA 10 I/O Serial Interface Bidirectional Data. Connects to the master data line. Requires a pull-up resistor if not provided elsewhere in the system.
(1) P=Power, G=Ground, I=Input, O=Output, A=Analog, I/O=Bi-Directional Input/Output
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