ADM1023ARQZ

更新时间： 2024-11-23 06:36:19

品牌	Logo	应用领域
安森美 - ONSEMI		微处理器光电二极管监控
页数	文件大小	规格书
16页	154K
描述
ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor

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ADM1023ARQZ 数据手册

ADM1023

ACPI-Compliant, High

Accuracy Microprocessor

System Temperature Monitor

The ADM1023 is a 2−channel digital thermometer and

under/overtemperature alarm for use in personal computers and other

systems requiring thermal monitoring and management. Optimized

for the Pentium® III, the higher accuracy allows systems designers to

safely reduce temperature guard banding and increase system

performance. The device can measure the temperature of a

microprocessor using a diode−connected PNP transistor, which may

be provided on−chip with the Pentium III or similar processors; or it

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.

http://onsemi.com

QSOP−16

CASE 492

MARKING DIAGRAM

1023A

RQZ

#YYWW

XXX

The ADM1023 communicates over a 2−wire serial interface

compatible with SMBus standards. Under/overtemperature limits can

be programmed into the device 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.

xxx

= Specific Device Code

= Pb−Free Package

YYWW = Date Code

XXX = Assembly Lot ID

FEATURES

• Next Generation Upgrade of ADM1021

• On−Chip and Remote Temperature Sensing

• Offset Registers for System Calibration

• 1°C Accuracy and Resolution on Local Channel

• 0.125°C Resolution/1°C Accuracy on Remote Channel

• Programmable Over/Undertemperature Limits

• Programmable Conversion Rate

16 NC

STBY

SCLK

D+

D–

ADM1023

TOP VIEW

SDATA

ALERT

ADD0

ADD1

GND

• Supports System Management Bus (SMBus) ALERT

• 2−Wire SMBus Serial Interface

• 200 mA Max Operating Current (0.25 Conversions/Second)

• 1 mA Standby Current

• 3.0 V to 5.5 V Supply

• Small 16−Lead QSOP Package

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 15 of this data sheet.

• Pb−Free Packages are Available

APPLICATIONS

• Desktop Computers

• Notebook Computers

• Smart Batteries

• Industrial Controllers

• Telecomm Equipment

• Instrumentation

Publication Order Number:

May, 2010 − Rev. 9

ADM1023/D

12 3 4 5 6 7...16

中文翻译

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ADM1023ARQZ 替代型号

型号	品牌	替代类型	描述	数据表
ADM1023ARQ-REEL7	ONSEMI	完全替代	SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16
ADM1023ARQZ-REEL	ONSEMI	完全替代	ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor
ADM1023ARQZ-R7	ONSEMI	完全替代	ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor

与ADM1023ARQZ相关器件

型号	品牌	获取价格	描述	数据表
ADM1023ARQZ-R7	ONSEMI	获取价格	ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor
ADM1023ARQZ-REEL	ONSEMI	获取价格	ACPI-Compliant, High Accuracy Microprocessor System Temperature Monitor
ADM1024	ONSEMI	获取价格	System Hardware Monitor with Remote Diode Thermal Sensing
ADM1024	ADI	获取价格	System Hardware Monitor with Remote Diode Thermal Sensing
ADM1024ARU	ADI	获取价格	System Hardware Monitor with Remote Diode Thermal Sensing
ADM1024ARU	ROCHESTER	获取价格	9-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, MO-153AD, TSSOP-24
ADM1024ARU-REEL	ADI	获取价格	IC 9-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, MO-153AD, TSSOP-24, Power Management Circui
ADM1024ARU-REEL7	ADI	获取价格	IC 9-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, MO-153AD, TSSOP-24, Power Management Circui
ADM1024ARU-REEL7	ONSEMI	获取价格	IC 9-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, TSSOP-24, Power Management Circuit
ADM1024ARUZ	ONSEMI	获取价格	System Hardware Monitor with Remote Diode Thermal Sensing

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