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ADT7473ARQZ

更新时间： 2024-01-24 07:22:53
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 输出元件传感器换能器
页数 文件大小 规格书
75页 2573K
描述
DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 2.5Cel, RECTANGULAR, SURFACE MOUNT, HALOGEN FREE AND ROHS COMPLIANT, QSOP-16

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ADT7473ARQZ 技术参数

生命周期：ActiveReach Compliance Code：unknown
风险等级：5.72Is Samacsys：N
最大精度（摄氏度）：2.5 Cel主体宽度：3.9 mm
主体高度：1.64 mm主体长度或直径：4.89 mm
外壳：PLASTIC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：SERIAL BUS 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：SOLDERBase Number Matches：1

ADT7473ARQZ 数据手册

 浏览型号ADT7473ARQZ的Datasheet PDF文件第3页浏览型号ADT7473ARQZ的Datasheet PDF文件第4页浏览型号ADT7473ARQZ的Datasheet PDF文件第5页浏览型号ADT7473ARQZ的Datasheet PDF文件第7页浏览型号ADT7473ARQZ的Datasheet PDF文件第8页浏览型号ADT7473ARQZ的Datasheet PDF文件第9页 
ADT7473  
PIN ASSIGNMENT  
Pin No.  
Mnemonic  
Description  
1
2
3
4
SCL  
Digital Input (Open Drain). SMBus serial clock input. Requires SMBus pullup.  
Ground Pin.  
GND  
V
CC  
Power Supply. Powered by 3.3 V.  
TACH3  
ADDR SELECT  
PWM2  
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 3.  
If in address select mode, the logic state of this pin defines the SMBus device address.  
5
Digital Output (Open Drain). ADT7473 default pin function is PWM2. Requires 10 kW typical pullup.  
Pulse−width modulated output to control Fan 2 speed. Can be configured as a high or low frequency  
drive.  
SMBALERT  
On the ADT7473, this pin can be reconfigured as an SMBALERT interrupt output to signal out−of−limit  
conditions.  
THERM_LATCH  
ADT7473−1 default pin function. THERM_LATCH is a thermal event alert signal when an  
overtemperature condition occurs.  
6
7
8
TACH1  
TACH2  
PWM3  
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 1.  
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 2.  
Digital I/O (Open Drain). Pulse−width modulated output to control the speed of Fan 3 and Fan 4.  
Requires 10 kW typical pullup. Can be configured as a high or low frequency drive.  
ADDREN  
If pulled low on powerup, the ADT7473−1 enters address select mode, and the state of Pin 4  
(ADDR SELECT) determines the ADT7473−1 slave address.  
9
TACH4  
GPIO  
Digital Input (Open Drain). Fan tachometer input to measure speed of Fan 4.  
General Purpose Open Drain Digital I/O.  
THERM  
Bidirectional THERM pin. Can be used to time and monitor assertions on the THERM input as well as  
to assert when an ADT7473 THERM overtemperature limit is exceeded. For example, the pin can be  
connected to the PROCHOT output of an Intel Pentium 4 processor or to the output of a trip point  
temperature sensor. Can be used as an output to signal overtemperature conditions.  
R
R
SMBALERT  
Digital Output (Open Drain). This pin can be reconfigured as an SMBALERT interrupt output to signal  
out−of−limit conditions.  
10  
11  
12  
13  
14  
15  
D2−  
D2+  
D1−  
D1+  
Cathode Connection to Second Thermal Diode.  
Anode Connection to Second Thermal Diode.  
Cathode Connection to First Thermal Diode.  
Anode Connection to First Thermal Diode.  
V
CCP  
Analog Input. Monitors processor core voltage (0 V to 3.0 V).  
PWM1  
Digital Output (Open Drain). Pulse−width modulated output to control Fan 1 speed. Requires 10 kW  
typical pullup.  
Also functions as the output from the XNOR tree in XNOR test mode.  
XTO  
SDA  
16  
Digital I/O (Open Drain). SMBus bidirectional serial data. Requires 10 kW typical pullup.  
http://onsemi.com  
5
1...3456789...75

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