поискавой системы для электроныых деталей |
|
ADM1021AARQ-REEL датащи(PDF) 1 Page - Analog Devices |
|
ADM1021AARQ-REEL датащи(HTML) 1 Page - Analog Devices |
1 / 16 page a ADM1021A REV. D 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. 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 www.analog.com Fax: 781/326-8703 © 2004 Analog Devices, Inc. All rights reserved. FUNCTIONAL BLOCK DIAGRAM ON-CHIP TEMP. SENSOR ANALOG MUX A-TO-D CONVERTER LOCAL TEMPERATURE VALUE REGISTER REMOTE TEMPERATURE VALUE REGISTER BUSY RUN/STANDBY LOCAL TEMPERATURE LOW LIMIT COMPARATOR STATUS REGISTER REMOTE TEMPERATURE LOW LIMIT COMPARATOR REMOTE TEMPERATURE HIGH LIMIT COMPARATOR ADDRESS POINTER REGISTER ONE-SHOT REGISTER CONVERSION RATE REGISTER LOCAL TEMPERATURE LOW LIMIT REGISTER LOCAL TEMPERATURE HIGH LIMIT REGISTER REMOTE TEMPERATURE LOW LIMIT REGISTER LOCAL TEMPERATURE HIGH LIMIT COMPARATOR REMOTE TEMPERATURE HIGH LIMIT REGISTER CONFIGURATION REGISTER INTERRUPT MASKING EXTERNAL DIODE OPEN-CIRCUIT SMBUS INTERFACE ADM1021A NC VDD NC GND NC NC NC D+ D– ALERT STBY SDATA SCLK ADD0 ADD1 GND NC = NO CONNECT Low-Cost Microprocessor System Temperature Monitor* FEATURES Alternative to the ADM1021 On-Chip and Remote Temperature Sensing No Calibration Necessary 1 C Accuracy for On-Chip Sensor 3 C Accuracy for Remote Sensor Programmable Overtemperature/Undertemperature Limits Programmable Conversion Rate 2-Wire SMBus Serial Interface Supports System Management Bus (SMBus) Alert 200 mA Max Operating Current 1 mA Standby Current 3 V to 5.5 V Supply Small 16-Lead QSOP Package APPLICATIONS Desktop Computers Notebook Computers Smart Batteries Industrial Controllers Telecom Equipment Instrumentation PRODUCT DESCRIPTION The ADM1021A is a two-channel digital thermometer and undertemperature/overtemperature alarm, intended for use in personal computers and other systems requiring thermal monitor- ing and management. The device can measure the temperature of a microprocessor using a diode-connected PNP transistor, which may be provided on-chip in the case of the Pentium ® III or similar processors, 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 channel measures the output of an on-chip temperature sensor, to monitor the temperature of the device and its environment. The ADM1021A communicates over a two-wire serial interface compatible with SMBus standards. Undertemperature and overtemperature 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 interrupt, or as an SMBus alert. *Patents Pending |
Аналогичный номер детали - ADM1021AARQ-REEL |
|
Аналогичное описание - ADM1021AARQ-REEL |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |