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LM77CIM-5

更新时间： 2024-11-23 12:06:07
品牌 Logo 应用领域
德州仪器 - TI 传感器温度传感器
页数 文件大小 规格书
23页 1337K
描述
LM77 9-Bit Sign Digital Temperature Sensor and Thermal Window Comparator ith Two-Wire Interface

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LM77CIM-5 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：SOP8,.25
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.28
Samacsys Description：Digital Temperature Sensor,LM77CIM-5最大精度（摄氏度）：3 Cel
主体宽度：3.899 mm主体高度：1.54 mm
主体长度或直径：4.9 mmJESD-609代码：e0
安装特点：SURFACE MOUNT位数：10
端子数量：8最大工作电流：0.5 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：5 V传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别：Other Sensors/Transducers最大供电电压：5.5 V
最小供电电压：3 V表面贴装：YES
技术：CMOS温度系数：POSITIVE ppm/ °C
端子面层：Tin/Lead (Sn/Pb)端接类型：SOLDER

LM77CIM-5 数据手册

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LM77  
www.ti.com  
SNIS103F –JUNE 1999–REVISED MARCH 2013  
LM77 9-Bit + Sign Digital Temperature Sensor and Thermal Window Comparator with  
Two-Wire Interface  
Check for Samples: LM77  
1
FEATURES  
DESCRIPTION  
The LM77 is a digital temperature sensor and thermal  
window comparator with an I2C Serial Bus interface.  
The window-comparator architecture of the LM77  
eases the design of temperature control systems  
conforming to the ACPI (Advanced Configuration and  
2
•
Window Comparison Simplifies Design of  
ACPI Compatible Temperature Monitoring and  
Control.  
•
•
Serial Bus Interface  
Power  
Interface)  
specification  
for  
personal  
Separate Open-Drain Outputs for Interrupt and  
Critical Temperature Shutdown  
computers. The open-drain Interrupt (INT) output  
becomes active whenever temperature goes outside  
a programmable window, while a separate Critical  
Temperature Alarm (T_CRIT_A) output becomes  
•
•
•
•
Shutdown Mode to Minimize Power  
Consumption  
Up to 4 LM77s Can be Connected to a Single  
Bus  
active  
when  
the  
temperature  
exceeds  
a
programmable critical limit. The INT output can  
operate in either a comparator or event mode, while  
the T_CRIT_A output operates in comparator mode  
only.  
9-bit + Sign Output; Full-Scale Reading of Over  
128°C  
SOIC and VSSOP 8-lead Packages  
The host can program both the upper and lower limits  
of the window as well as the critical temperature limit.  
Programmable hysterisis as well as a fault queue are  
available to minimize false tripping. Two pins (A0, A1)  
are available for address selection. The sensor  
powers up with default thresholds of 2°C THYST, 10°C  
TLOW, 64°C THIGH, and 80°C T_CRIT.  
APPLICATIONS  
•
•
•
•
•
•
System Thermal Management  
Personal Computers  
Office Electronics  
Electronic Test Equipment  
Automotive  
The LM77's 3.0V to 5.5V supply voltage range, Serial  
Bus interface, 9-bit + sign output, and full-scale range  
of over 128°C make it ideal for a wide range of  
applications. These include thermal management and  
protection applications in personal computers,  
electronic test equipment, office electronics,  
automotive, and HVAC applications.  
HVAC  
KEY SPECIFICATIONS  
•
•
Supply Voltage 3.0V to 5.5V  
Supply Current  
–
Operating  
–
–
250 μA (typ)  
500 μA (max)  
–
Shutdown  
5 μA (typ)  
Temperature Accuracy  
–
•
–
–
–
−10°C to 65°C, ±1.5°C(max)  
−25°C to 100°C, ±2°C(max)  
−55°C to 125°C, ±3°C(max)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  
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LM77CIM-5 替代型号

型号 品牌 替代类型 描述 数据表
LM77CIM-5/NOPB TI

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