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ADM1021ARQ

更新时间： 2024-11-08 22:05:19
品牌 Logo 应用领域
亚德诺 - ADI 微处理器光电二极管监控
页数 文件大小 规格书
12页 143K
描述
Low Cost Microprocessor System Temperature Monitor

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中文翻译

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ADM1021ARQ 数据手册

 浏览型号ADM1021ARQ的Datasheet PDF文件第2页浏览型号ADM1021ARQ的Datasheet PDF文件第3页浏览型号ADM1021ARQ的Datasheet PDF文件第4页浏览型号ADM1021ARQ的Datasheet PDF文件第5页浏览型号ADM1021ARQ的Datasheet PDF文件第6页浏览型号ADM1021ARQ的Datasheet PDF文件第7页 
Low Cost Microprocessor  
System Temperature Monitor  
a
ADM1021  
FEATURES  
PRODUCT DESCRIPTION  
Improved Replacement for MAX1617  
On-Chip and Remote Temperature Sensing  
No Calibration Necessary  
The ADM1021 is a two-channel digital thermometer and under/  
over temperature alarm, intended for use in personal computers  
and other systems requiring thermal monitoring and manage-  
ment. The device can measure the temperature of a micropro-  
cessor using a diode-connected PNP transistor, which may be  
provided on-chip in the case of the Pentium® II or similar pro-  
cessors, or can be a low cost discrete NPN/PNP device such as  
the 2N3904/2N3906. A novel measurement technique cancels  
out the absolute value of the transistor’s base emitter voltage, so  
that no calibration is required. The second measurement chan-  
nel measures the output of an on-chip temperature sensor, to  
monitor the temperature of the device and its environment.  
1؇C Accuracy for On-Chip Sensor  
3؇C Accuracy for Remote Sensor  
Programmable Over/Under Temperature Limits  
Programmable Conversion Rate  
2-Wire SMBus Serial Interface  
Supports System Management Bus (SMBus™) Alert  
70 ␮A Max Operating Current  
3 ␮A Standby Current  
3 V to 5.5 V Supply  
Small 16-Lead QSOP Package  
The ADM1021 communicates over a two-wire serial interface  
compatible with SMBus standards. Under and over temperature  
limits can be programmed into the devices over the serial bus,  
and an ALERT output signals when the on-chip or remote  
temperature is out of range. This output can be used as an inter-  
rupt, or as an SMBus alert.  
APPLICATIONS  
Desktop Computers  
Notebook Computers  
Smart Batteries  
Industrial Controllers  
Telecomms Equipment  
Instrumentation  
FUNCTIONAL BLOCK DIAGRAM  
ADDRESS POINTER  
REGISTER  
ONE-SHOT  
REGISTER  
CONVERSION RATE  
REGISTER  
LOCAL TEMPERATURE  
LOW LIMIT REGISTER  
LOCAL TEMPERATURE  
VALUE REGISTER  
LOCAL TEMPERATURE  
LOW LIMIT COMPARATOR  
ON-CHIP TEMP.  
SENSOR  
LOCAL TEMPERATURE  
HIGH LIMIT COMPARATOR  
LOCAL TEMPERATURE  
HIGH LIMIT REGISTER  
D+  
D–  
8-BIT A-TO-D  
CONVERTER  
ANALOG MUX  
REMOTE TEMPERATURE  
LOW LIMIT REGISTER  
REMOTE TEMPERATURE  
LOW LIMIT COMPARATOR  
BUSY  
RUN/STANDBY  
REMOTE TEMPERATURE  
HIGH LIMIT REGISTER  
REMOTE TEMPERATURE  
VALUE REGISTER  
REMOTE TEMPERATURE  
HIGH LIMIT COMPARATOR  
CONFIGURATION  
REGISTER  
STBY  
EXTERNAL DIODE OPEN-CIRCUIT  
INTERRUPT  
MASKING  
ALERT  
STATUS REGISTER  
SMBUS INTERFACE  
ADM1021  
TEST  
V
NC  
GND GND  
NC  
NC  
TEST  
SDATA  
SCLK  
ADD0  
ADD1  
DD  
SMBus is a trademark and Pentium is a registered trademark of Intel Corporation.  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1998  
1234567...12

中文翻译

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ADM1021ARQ 替代型号

型号 品牌 替代类型 描述 数据表
ADM1021ARQ-REEL7 ADI

完全替代

 IC SPECIALTY ANALOG CIRCUIT, PDSO16, QSOP-16, Analog IC:Other
ADM1021AARQZ ADI

完全替代

 Low-Cost Microprocessor System Temperature Monitor
ADM1021AARQ-REEL ADI

完全替代

 Low-Cost Microprocessor System Temperature Monitor

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ADM1021ARQ-REEL7 ADI

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ADM1021ARQZ ADI

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ADM1021ARQZ-REEL7 ADI

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 		IC SPECIALTY ANALOG CIRCUIT, PDSO16, QSOP-16, Analog IC:Other
ADM1022 ADI

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ADM102-22/12VDC ETC

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ADM102-22/24VDC ETC

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