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ADT7466

更新时间： 2024-01-03 18:37:17
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

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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

 浏览型号ADT7466的Datasheet PDF文件第2页浏览型号ADT7466的Datasheet PDF文件第3页浏览型号ADT7466的Datasheet PDF文件第4页浏览型号ADT7466的Datasheet PDF文件第5页浏览型号ADT7466的Datasheet PDF文件第6页浏览型号ADT7466的Datasheet PDF文件第7页 
dBCool® Remote Thermal  
Controller and Voltage Monitor  
ADT7466  
FEATURES  
GENERAL DESCRIPTION  
Monitors two analog voltages or thermistor temperature  
inputs  
One on-chip and up to two remote temperature sensors with  
series resistance cancellation  
Controls and monitors the speed of up to two fans  
Automatic fan speed control mode controls system  
cooling based on measured temperature  
Enhanced acoustic mode dramatically reduces user  
perception of changing fan speeds  
Thermal protection feature via THERM output monitors  
performance impact of Intel® Pentium® 4 processor  
thermal control circuit via PROCHOT input  
3-wire fan speed measurement  
Limit comparison of all monitored values  
SMBus 1.1 serial interface  
The ADT7466 dBCool controller is a complete thermal monitor  
and dual fan controller for noise-sensitive applications  
requiring active system cooling. It can monitor two analog  
voltages or the temperature of two thermistors, plus its own  
supply voltage. It can monitor the temperature of up to two  
remote sensor diodes, plus its own internal temperature. It can  
measure and control the speed of up to two fans so that they  
operate at the lowest possible speed for minimum acoustic  
noise. The automatic fan speed control loop optimizes fan  
speed for a given temperature. The effectiveness of the system’s  
thermal solution can be monitored using the  
input  
PROCHOT  
to time and monitor the  
output of the processor.  
PROCHOT  
APPLICATIONS  
Low acoustic noise notebook PCs  
FUNCTIONAL BLOCK DIAGRAM  
V
SCL SDA ALERT  
CC  
SERIAL BUS  
INTERFACE  
8-BIT  
DRIVE1  
DAC  
ACOUSTIC  
ENHANCEMENT  
CONTROL  
V_FAN_MIN  
V_FAN_ON  
CONTROL  
ADDRESS  
POINTER  
REGISTER  
8-BIT  
DRIVE2  
DAC  
AUTOMATIC  
FAN SPEED  
CONTROL  
CONFIGURATION  
REGISTERS  
TACH1  
FAN  
THERM  
REGISTER  
TACH2  
SPEED  
MONITOR  
FANLOCK  
INTERRUPT  
MASKING  
FAN1  
ENABLE  
FAN1_ON/  
PROCHOT/  
THERM  
INTERRUPT  
STATUS  
REGISTERS  
PROCHOT  
LIMIT  
SERIES  
D1+  
D1–  
RESISTANCE  
COMPARATORS  
10-BIT  
ADC  
CANCELLATION  
INPUT  
SIGNAL  
VALUE AND  
LIMIT  
REGISTERS  
SERIES  
RESISTANCE  
CANCELLATION  
AIN1/TH1/D2–  
AIN2/TH2/D2+  
CONDITIONING  
AND  
ANALOG  
MULTIPLEXER  
BAND GAP  
REFERENCE  
BAND GAP  
TEMPERATURE  
SENSOR  
ADT7466  
GND  
REFOUT  
Figure 1.  
Protected by U.S. Patent Numbers 6,188,189; 6,169,442; 6,097,239; 5,982,221; 5,867,012.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
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