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ADM1034 PDF预览

ADM1034

更新时间: 2024-11-08 22:47:35
品牌 Logo 应用领域
亚德诺 - ADI 风扇监控控制器
页数 文件大小 规格书
40页 1527K
描述
Thermal Monitor and Fan Speed (RPM) Controller

ADM1034 数据手册

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Thermal Monitor and  
Fan Speed (RPM) Controller  
ADM1034  
Look-up table for temperature-to-fan-speed control  
Linear and discrete options for look-up table  
FAN_FAULToutput  
FEATURES  
1 local and 2 remote temperature channels  
1ꢀ° accuracy on local and remote channels  
Automatic remote temperature channels, up to 1 kΩ  
Fast (up to 64 measurements per second)  
SMBus 2.0, 1.1, and 1.0 compliant  
THERM input, used to time PRO°HOT assertions  
REF input, used as reference for THERM (PRO°HOT)  
3 V to 5.5 V supply  
SMBus address input/LO°ATION input to UDID  
Programmable over-/undertemperature limits  
Programmable fault queue  
SMBusALERT output  
Fail-safe overtemperature comparator output  
Fan speed (RPM) controller  
Small 16-lead QSOP package  
APPLI°ATIONS  
Desktop and notebook P°s  
Embedded systems  
Telecommunications equipment  
L°D projectors  
FUN°TIONAL BLO°K DIAGRAM  
V
CC  
6
SMBUS  
ADDRESS  
ADM1034  
16  
15  
SCL  
SDA  
SERIAL BUS  
INTERFACE  
MANUAL FAN  
SPEED CONTROL  
REGISTERS  
ADDRESS  
POINTER  
REGISTER  
8
FAN_FAULT  
TEMPERATURE-TO-  
FAN-SPEED  
LOOK-UP TABLE  
ALERT  
THERM  
MASK  
REGISTERS  
FAULT  
QUEUE  
14  
7
ALERT  
THERM  
STATUS  
REGISTER  
1
3
DRIVE1  
DRIVE2  
FAN SPEED  
CONTROLLER  
FAN RESPONSE  
LIMIT  
COMPARATOR  
VALUE AND  
LIMIT  
REGISTERS  
THERM PERCENT  
TIMER  
2
4
TACH1  
TACH2  
FAN  
SPEED  
COUNTER  
TACH SIGNAL  
CONDITIONING  
FAULT  
QUEUE  
8
13  
9
REF  
HYSTERESIS  
REGISTERS  
LOCATION  
D1–  
D1+  
ADC  
ANALOG  
MULTIPLEXER  
OFFSET  
REGISTERS  
10  
SRC  
BLOCK  
D2– 11  
12  
CONVERSION  
RATE REGISTER  
BAND GAP  
REFERENCE  
D2+  
BAND GAP  
TEMPERATURE  
SENSOR  
CONFIGURATION  
REGISTERS  
5
GND  
Figure 1.  
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: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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