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ADT7466 PDF预览

ADT7466

更新时间: 2024-01-28 19:38:05
品牌 Logo 应用领域
亚德诺 - ADI 监视器控制器
页数 文件大小 规格书
48页 1873K
描述
dBCool Remote Thermal Controller and Voltage Monitor

ADT7466 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SSOP
包装说明:LEAD FREE, MO-137AB, QSOP-16针数:16
Reach Compliance Code:unknown风险等级:5.58
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:4.9022 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.7526 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9116 mmBase Number Matches:1

ADT7466 数据手册

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ADT7466  
TABLE OF CONTENTS  
Specifications..................................................................................... 3  
Series Resistance Cancellation.................................................. 17  
Temperature Measurement Method........................................ 17  
Using Discrete Transistors ........................................................ 17  
Temperature Measurement Using Thermistors ..................... 19  
Reading Temperature from the ADT7466.............................. 20  
Additional ADC Functions....................................................... 21  
Limit Values ................................................................................ 21  
Alert Interrupt Behavior............................................................ 23  
Serial Bus Timing ......................................................................... 5  
Absolute Maximum Ratings............................................................ 6  
Thermal Characteristics .............................................................. 6  
ESD Caution.................................................................................. 6  
Pin Configuration and Function Descriptions............................. 7  
Typical Performance Characteristics ............................................. 8  
Functional Description.................................................................. 11  
Measurement Inputs .................................................................. 11  
Sequential Measurement ........................................................... 11  
Fan Speed Measurement and Control ..................................... 11  
Internal Registers of the ADT7466 .......................................... 11  
Theory of Operation ...................................................................... 12  
Serial Bus Interface..................................................................... 12  
Write and Read Operations....................................................... 14  
Alert Response Address (ARA)................................................ 15  
SMBus Timeout .......................................................................... 15  
Voltage Measurement ................................................................ 15  
Reference Voltage Output.......................................................... 16  
Configuration of Pin 11 and Pin 12......................................... 16  
Temperature Measurement ....................................................... 17  
THERM  
Configuring the ADT7466  
Pin as an Output......... 25  
Fan Drive ..................................................................................... 26  
PWM or Switch Mode Fan Drive............................................. 26  
Fan Speed Measurement ........................................................... 26  
Fan Start-Up Timeout................................................................ 28  
Automatic Fan Speed Control .................................................. 29  
Starting the Fan .......................................................................... 30  
XOR Test Mode............................................................................... 31  
Application Circuit......................................................................... 32  
ADT7466 Register Map................................................................. 33  
Register Details........................................................................... 35  
Outline Dimensions....................................................................... 47  
Ordering Guide .......................................................................... 47  
REVISION HISTORY  
6/05—Revision 0: Initial Version  
Rev. 0 | Page 2 of 48  

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