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LM75AIM

更新时间： 2024-11-23 13:02:47
品牌 Logo 应用领域
美国国家半导体 - NSC 传感器温度传感器
页数 文件大小 规格书
18页 353K
描述
Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT, 0.150 INCH, PLASTIC, SOP-8

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LM75AIM 技术参数

是否Rohs认证：符合生命周期：Transferred
包装说明：SOP8,.25Reach Compliance Code：compliant
风险等级：5.07Is Samacsys：N
最大精度（摄氏度）：3 Cel主体宽度：3.9 mm
主体高度：1.55 mm主体长度或直径：4.9 mm
外壳：PLASTICJESD-609代码：e3
安装特点：SURFACE MOUNT位数：9
端子数量：8最大工作电流：0.28 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：SOP8,.25封装形状/形式：RECTANGULAR
电源：3/5 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：Matte Tin (Sn)端接类型：SOLDER
Base Number Matches：1

LM75AIM 数据手册

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February 2004  
LM75  
Digital Temperature Sensor and Thermal Watchdog with  
Two-Wire Interface  
n Register readback capability  
n Power up defaults permit stand-alone operation as  
General Description  
The LM75 is a temperature sensor, Delta-Sigma analog-to-  
thermostat  
digital converter, and digital over-temperature detector with  
n Shutdown mode to minimize power consumption  
n Up to 8 LM75s can be connected to a single bus  
n UL Recognized Component  
I2C® interface. The host can query the LM75 at any time to  
read temperature. The open-drain Overtemperature Shut-  
down (O.S.) output becomes active when the temperature  
exceeds a programmable limit. This pin can operate in either  
“Comparator” or “Interrupt” mode.  
Key Specifications  
The host can program both the temperature alarm threshold  
(TOS) and the temperature at which the alarm condition goes  
away (THYST). In addition, the host can read back the con-  
tents of the LM75’s TOS and THYST registers. Three pins (A0,  
A1, A2) are available for address selection. The sensor  
powers up in Comparator mode with default thresholds of  
j
Supply Voltage  
3.0V to 5.5V  
250 µA (typ)  
1 mA (max)  
4 µA (typ)  
2˚C(max)  
j
Supply Current  
operating  
shutdown  
j
Temperature Accuracy −25˚C to 100˚C  
−55˚C to 125˚C  
80˚C TOS and 75˚C THYST  
.
3˚C(max)  
The LM75’s 3.0V to 5.5V supply voltage range, low supply  
current and I2C interface make it ideal for a wide range of  
applications. These include thermal management and pro-  
tection applications in personal computers, electronic test  
equipment, and office electronics.  
Applications  
n System Thermal Management  
n Personal Computers  
n Office Electronics  
Features  
n Electronic Test Equipment  
n SOP-8 and Mini SOP-8 (MSOP) packages save space  
n I2C Bus interface  
n Separate open-drain output pin operates as interrupt or  
comparator/thermostat output  
Simplified Block Diagram  
01265801  
2
I
C® is a registered trademark of Philips Corporation.  
© 2004 National Semiconductor Corporation  
DS012658  
www.national.com  
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