Datasheet > ADM1032XRM-4REEL

ADM1032XRM-4REEL

更新时间： 2024-11-23 03:09:43

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
页数	文件大小	规格书
16页	179K
描述
IC SPECIALTY ANALOG CIRCUIT, PDSO8, MICRO, SOIC-8, Analog IC:Other

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ADM1032XRM-4REEL 数据手册

PRELIMINARY TECHNICAL DATA

± ±1° ꢀLoca cꢁn ꢂReLꢃR

SysꢃReTRepRrcꢃurRMLꢁiꢃLr

ADM±032*

FEATURES

PRODUCT DESCRIPTION

On-chip and remote temperature sensing

Offset Registers for System Calibration

1^oC Accuracy and Resolution on Local Channel

0.125^oC Resolution/1^oC Accuracy on Remote Channel

Fast (up to 32 Conversions/second)

ProgrammableOver/UnderTemperatureLimits

Programmable Fault Queue

ProgrammableTHERMLimits

ProgrammableTHERMHysteresis

2-wire SMBus serial interface

Supports SMBus Alert

160µA Max Operating Current

3µA standby current

3V to 5.5V supply

Small 8-pin SO and uSO package

Optimized for PentiumIII - Allows Reduced

Guardbanding

The ADM1032 is an ACPI compliant two-channel digital

thermometer and under/over temperature alarm, intended

for use in personal computers and thermal management

systems. Optimized for the Pentium III , the higher 1°C

accuracy offered allows systems designers to safely reduce

temperature guardbanding and increase system

performance. The device can measure the temperature of

a microprocessor using a diode-connected NPN or 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 device such as the 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 ADM1032 communicates over a two-wire serial in-

terface compatible with System Management Bus

(SMBus^TM) standards. Under and over temperature limits

can be programmed into the device over the serial bus,

and an ALERT output signals when the on-chip or remote

temperature measurement is out of range. This output can

be used as an interrupt, or as an SMBus alert. The

THERM output is a comparator output that allows CPU

clock throttling or on/off control of a cooling fan.

Applications

DesktopComputers

NotebookComputers

SmartBatteries

IndustrialControllers

TelecommsEquipment

Instrumentation

FUNCTIONAL BLOCK DIAGRAM

ADDRESS POINTER

CONVERSION RATE

ON-CHIP TEMP.

SENSOR

LOCAL TEMPERATURE

VALUE REGISTER

LOCAL TEMPERATURE

LOW LIMIT REGISTER

LOCAL TEMPERATURE

HIGH LIMIT REGISTER

D+

D-

A TO D

CONVERTER

LIMIT

COMPARATORS

ANALOG MUX

REMOTE TEMPERATURE

LOW LIMIT REGISTER

BUSY

RUN/STANDBY

REMOTE TEMPERATURE

HIGH LIMIT REGISTER

REMOTE TEMPERATURE

VALUE REGISTER

LOCAL THERM LIMIT

EXTERNAL THERM LIMIT

INTERNAL THERM LIMIT

CONFIGURATION

EXTERNAL DIODE OPEN-

CIRCUIT

INTERRUPT

MASKING

STATUS REGISTER

ALERT

THERM

SMBUS INTERFACE

ADM1032

GND

SDATA SCLK

REV.PrL 03/2001

PentiumIII is a registered trademark of Intel Corporation

*Patents Pending

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: 617/329-4700

Fax: 617/326-8703

World Wide Web Site: http://www.analog.com

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与ADM1032XRM-4REEL相关器件

型号	品牌	获取价格	描述	数据表
ADM1032XRM-4REEL7	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO8, MICRO, SOIC-8, Analog IC:Other
ADM1033	ONSEMI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1033	ADI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1033ARQ	ADI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1033ARQ	ONSEMI	获取价格	Thermal Monitor and Fan Speed Controller
ADM1033ARQ-REEL	ADI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1033ARQ-REEL	ONSEMI	获取价格	Thermal Monitor and Fan Speed Controller
ADM1033ARQ-REEL7	ADI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller
ADM1033ARQ-REEL7	ONSEMI	获取价格	Thermal Monitor and Fan Speed Controller
ADM1033ARQZ	ONSEMI	获取价格	Thermal Monitor and Fan Speed (RPM) Controller

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