ZHCSGN4B
December 2016 – April 2017
LDC2112
,
LDC2114
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Digital Interface
6.7
I2C Interface
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Multi-Channel and Single-Channel Operation
7.3.2
Button Output Interfaces
7.3.3
Programmable Button Sensitivity
7.3.4
Baseline Tracking
7.3.5
Integrated Button Algorithms
7.3.6
I2C Interface
7.3.6.1
Selectable I2C Address (LDC2112 Only)
7.3.6.2
I2C Interface Specifications
7.3.6.3
I2C Bus Control
7.4
Device Functional Modes
7.4.1
Normal Power Mode
7.4.2
Low Power Mode
7.4.3
Configuration Mode
7.5
Register Maps
7.5.1
Individual Register Listings
7.5.1.1
Gain Table for Registers GAIN0, GAIN1, GAIN2, and GAIN3
8
Application and Implementation
8.1
Application Information
8.1.1
Theory of Operation
8.1.2
Designing Sensor Parameters
8.1.3
Setting COM Pin Capacitor
8.1.4
Defining Power-On Timing
8.1.5
Configuring Button Scan Rate
8.1.6
Programming Button Sampling Window
8.1.7
Scaling Frequency Counter Output
8.1.8
Setting Button Triggering Threshold
8.1.9
Tracking Baseline
8.1.10
Mitigating False Button Detections
8.1.10.1
Eliminating Common-Mode Change (Anti-Common)
8.1.10.2
Resolving Simultaneous Button Presses (Max-Win)
8.1.10.3
Overcoming Case Twisting (Anti-Twist)
8.1.10.4
Mitigating Metal Deformation (Anti-Deform)
8.1.11
Reporting Interrupts for Button Presses and Error Conditions
8.1.12
Estimating Supply Current
8.2
Typical Application
8.2.1
Touch Button Design
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
DSBGA Light Sensitivity
11
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
相关链接
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
出口管制提示
11.8
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
YFD|16
MXBG351
PW|16
MPDS361B
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsgn4b_oa
zhcsgn4b_pm