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AD7879ACBZ-500R7 PDF预览

AD7879ACBZ-500R7

更新时间: 2024-01-02 15:31:28
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器控制器
页数 文件大小 规格书
36页 664K
描述
Low Voltage Controller for Touch Screens

AD7879ACBZ-500R7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:BGA
包装说明:VFBGA,针数:12
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.61
Is Samacsys:N最大模拟输入电压:3.6 V
最小模拟输入电压:转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PBGA-B12JESD-609代码:e3
长度:2.01 mm最大线性误差 (EL):0.0732%
湿度敏感等级:1模拟输入通道数量:2
位数:12功能数量:1
端子数量:12最高工作温度:85 °C
最低工作温度:-40 °C输出位码:BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:VFBGA封装形状:RECTANGULAR
封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):225
认证状态:Not Qualified采样速率:0.105 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:0.65 mm
标称供电电压:2.6 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:BALL端子节距:0.5 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.61 mmBase Number Matches:1

AD7879ACBZ-500R7 数据手册

 浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第1页浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第3页浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第4页浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第5页浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第6页浏览型号AD7879ACBZ-500R7的Datasheet PDF文件第7页 
AD7879  
TABLE OF CONTENTS  
Features .............................................................................................. 1  
Auxiliary Input ........................................................................... 17  
Battery Input ............................................................................... 17  
Limit Comparison...................................................................... 17  
GPIO ............................................................................................ 17  
Register Map ................................................................................... 19  
Detailed Register Descriptions ..................................................... 20  
Control Registers............................................................................ 24  
Control Register 1 ...................................................................... 24  
Control Register 2 ...................................................................... 26  
Control Register 3 ...................................................................... 27  
Interrupts..................................................................................... 28  
Synchronizing the AD7879 to the Host CPU......................... 29  
Serial Interface ................................................................................ 30  
SPI Interface................................................................................ 30  
I2C-Compatible Interface .......................................................... 32  
Grounding and Layout .................................................................. 35  
Chip Scale Packages ................................................................... 35  
WLCSP Assembly Considerations........................................... 35  
Outline Dimensions....................................................................... 36  
Ordering Guide .......................................................................... 36  
Applications....................................................................................... 1  
Functional Block Diagram .............................................................. 1  
General Description......................................................................... 1  
Revision History ............................................................................... 2  
Specifications..................................................................................... 3  
SPI Timing Specifications (AD7879)......................................... 4  
I2C Timing Specifications (AD7879-1) ..................................... 5  
Absolute Maximum Ratings............................................................ 6  
ESD Caution.................................................................................. 6  
Pin Configuration and Function Descriptions............................. 7  
Typical Performance Characteristics ............................................. 8  
Terminology .................................................................................... 11  
Theory of Operation ...................................................................... 12  
Touch Screen Principles ............................................................ 12  
Measuring Touch Screen Inputs............................................... 13  
Touch-Pressure Measurement .................................................. 14  
Temperature Measurement ....................................................... 14  
Median and Averaging Filters....................................................... 16  
AUX/VBAT/GPIO Pin................................................................... 17  
REVISION HISTORY  
10/08—Revision 0: Initial Version  
Rev. 0 | Page 2 of 36  
 

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