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LM75DM-50R2 PDF预览

LM75DM-50R2

更新时间: 2024-11-22 22:18:03
品牌 Logo 应用领域
安森美 - ONSEMI 传感器换能器温度传感器输出元件监控
页数 文件大小 规格书
12页 154K
描述
2-Wire Serial Temperature Sensor and Monitor

LM75DM-50R2 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:MICROPAK-8Reach Compliance Code:not_compliant
风险等级:5.87Is Samacsys:N
最大精度(摄氏度):3 Cel主体宽度:3 mm
主体高度:1 mm主体长度或直径:3 mm
外壳:PLASTICJESD-609代码:e0
安装特点:SURFACE MOUNT位数:9
端子数量:8最大工作电流:0.25 mA
最高工作温度:125 °C最低工作温度:-55 °C
输出接口类型:2-WIRE INTERFACE封装主体材料:PLASTIC/EPOXY
封装等效代码:TSSOP8,.19封装形状/形式:SQUARE
电源:5 V传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别:Other Sensors最大供电电压:5.5 V
最小供电电压:2.7 V表面贴装:YES
端子面层:Tin/Lead (Sn/Pb)端接类型:SOLDER
Base Number Matches:1

LM75DM-50R2 数据手册

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The LM75 is a serially programmable temperature sensor that  
notifies the host controller when ambient temperature exceeds a  
user–programmed setpoint. Hysteresis is also programmable. The  
INT/CMPTR output is programmable as either a simple comparator  
for thermostat operation or as a temperature event interrupt.  
Communication with the LM75 is accomplished via a two–wire bus  
that is compatible with industry standard protocols. This permits  
reading the current temperature, programming the setpoint and  
hysteresis, and configuring the device.  
http://onsemi.com  
The LM75 powers up in Comparator Mode with a default setpoint  
of 80°C with 5°C hysteresis. Defaults allow independent operation as  
a stand–alone thermostat. A shutdown command may be sent via the  
2–wire bus to activate the low–power standby mode. Address  
selection inputs allow up to eight LM75’s to share the same 2–wire bus  
for multi–zone monitoring.  
Micro8  
DM SUFFIX  
CASE TBD  
PRELIMINARY INFORMATION  
All registers can be read by the host and the INT/CMPTR output’s  
polarity is user programmable. Both polled and interrupt driven  
systems are easily accommodated. Small physical size, low installed  
cost, and ease of use make the LM75 an ideal choice for implementing  
sophisticated system management schemes.  
PIN CONFIGURATION  
(Top View)  
SDA  
SCL  
V
1
2
8
7
DD  
A0  
LM75  
INT/CMPTR 3  
GND 4  
6 A1  
5 A2  
Features  
Temperature Sensing: 0.5°C Accuracy (Typ.)  
Operates from: 55°C to +125°C  
Operating Range: 2.7V – 5.5V  
Programmable Trip Point and Hysteresis with  
Power–up Defaults  
Standard 2–Wire Serial Interface  
Thermal Event Alarm Output Functions as Interrupt or Comparator /  
Thermostat Output  
ORDERING INFORMATION  
Device  
Package  
Shipping  
Up to 8 LM75’s May Share the Same Bus  
Shutdown Mode for Low Standby Power Consumption  
LM75DM–33R2  
LM75DM–50R2  
Micro–8  
2500 Tape/Reel  
2500 Tape/Reel  
5V Tolerant I/O at V  
= 3V  
DD  
Micro–8  
Low Power 250µA (Typ.) Operating, 1µA (Typ.)  
Shutdown Mode  
Typical Applications  
Thermal Protection for High Performance CPUs  
Solid–State Thermometer  
Fire/Heat Alarms  
Thermal Management in Electronic Systems:  
Computers  
Telecom Racks  
Power Supplies / UPS  
Copiers / Office Electronics  
Consumer Electronics / Amplifiers  
Process Control  
Semiconductor Components Industries, LLC, 1999  
1
Publication Order Number:  
February, 2000 – Rev. 0  
LM75/D  

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