Datasheet > ADT7473ARQZ-1REEL7

ADT7473ARQZ-1REEL7

更新时间： 2024-02-03 09:49:33

品牌	Logo	应用领域
亚德诺 - ADI		输出元件传感器换能器
页数	文件大小	规格书
72页	1494K
描述
Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT, ROHS COMPLIANT, MO-137AB, QSOP-16

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ADT7473ARQZ-1REEL7 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.27
最大精度（摄氏度）：	2.5 Cel	主体宽度：	3.9 mm
主体高度：	1.6 mm	主体长度或直径：	4.9 mm
安装特点：	SURFACE MOUNT	位数：	8
最大工作电流：	3 mA	最高工作温度：	125 °C
最低工作温度：	-40 °C	输出接口类型：	2-WIRE INTERFACE
封装形状/形式：	RECTANGULAR	传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
最大供电电压：	3.6 V	最小供电电压：	3 V
表面贴装：	YES	端接类型：	SOLDER
Base Number Matches：	1

ADT7473ARQZ-1REEL7 数据手册

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dBCool Remote Thermal Monitor

and Fan Controller

ADT7473/ADT7473-1

GENERAL DESCRIPTION

FEATURES

Controls and monitors up to 4 fans

The ADT7473/ADT7473-1 dBCool® controller is a thermal

monitor and multiple PWM fan controller for noise sensitive

or power sensitive applications requiring active system cooling.

The ADT7473/ADT7473-1 can drive a fan using either a low

or high frequency drive signal, monitor the temperature of up

to two remote sensor diodes plus its own internal temperature,

and measure and control the speed of up to four fans so they

operate at the lowest possible speed for minimum acoustic noise.

High and low frequency fan drive signal

1 on-chip and 2 remote temperature sensors

Series resistance cancellation on the remote channel

Extended temperature measurement range, up to 191°C

Dynamic T_MINcontrol mode intelligently optimizes system

acoustics

Automatic fan speed control mode controls system cooling

based on measured temperature

Enhanced acoustic mode dramatically reduces user

perception of changing fan speeds

The automatic fan speed control loop optimizes fan speed for a

given temperature. A unique dynamic T_MINcontrol mode

enables the system thermals/acoustics to be intelligently

managed. The effectiveness of the system’s thermal solution

THERM

Thermal protection feature via

Monitors performance impact of Intel Pentium 4 processor

THERM

output

THERM

can be monitored using the

ADT7473-1 also provide critical thermal protection to the

THERM

input. The ADT7473/

Thermal control circuit via

input

3-wire and 4-wire fan speed measurement

Limit comparison of all monitored values

Meets SMBus 2.0 electrical specifications

(fully SMBus 1.1 compliant)

system using the bidirectional

pin as an output to

prevent system or component overheating.

Fully RoHS compliant

FUNCTIONAL BLOCK DIAGRAM

*ADDREN

*ADDR SELECT

SCL SDA SMBALERT

SMBus

ADT7473/ADT7473-1

SERIAL BUS

INTERFACE

ADDRESS

SELECTION

PWM

REGISTERS

AND

CONTROLLERS

(HF AND LF)

PWM1

PWM2

PWM3

ACOUSTIC

ENHANCEMENT

CONTROL

AUTOMATIC

FAN SPEED

CONTROL

ADDRESS

POINTER

DYNAMIC

MIN

CONTROL

PWM

TACH1

TACH2

TACH3

TACH4

CONFIGURATION

REGISTERS

FAN

SPEED

COUNTER

INTERRUPT

MASKING

PERFORMANCE

MONITORING

INTERRUPT

STATUS

REGISTERS

THERMAL

PROTECTION

*THERM_LATCH

TO ADT7473/ADT7473-1

D1+

D1–

D2+

D2–

INPUT

SIGNAL

LIMIT

10-BIT

ADC

COMPARATORS

SRC

CONDITIONING

AND

ANALOG

MULTIPLEXER

VALUE AND

LIMIT

REGISTERS

CCP

BAND GAP

REFERENCE

BAND GAP

TEMP SENSOR

*PIN FUNCTION ONLYAVAILABLE ON THEADT7473-1

GND

Figure 1.

Rev. C

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 registeredtrademarks arethe 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

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ADT7473ARQZ-1RL	ONSEMI	dBCOOL Remote Thermal Monitor and Fan Control	获取价格
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ADT7473ARQZ-REEL	ONSEMI	dBCOOL Remote Thermal Monitor and Fan Control	获取价格
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