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LM75AIMME

更新时间： 2024-11-06 12:57:59
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
21页 1092K
描述
Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 3Cel, SQUARE, SURFACE MOUNT, 0.118 INCH, PLASTIC, MSOP

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LM75AIMME 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：ObsoleteReach Compliance Code：compliant
风险等级：5.69最大精度（摄氏度）：3 Cel
主体宽度：3 mm主体高度：1.09 mm
主体长度或直径：3 mm外壳：PLASTIC
JESD-609代码：e0安装特点：SURFACE MOUNT
位数：9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封装形状/形式：SQUARE
传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL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

LM75AIMME 数据手册

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LM75A  
www.ti.com  
SNOS808O –JANUARY 2000–REVISED MAY 2013  
LM75A Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface  
Check for Samples: LM75A  
1
FEATURES  
DESCRIPTION  
The LM75A is an industry-standard digital  
temperature sensor with an integrated Sigma-Delta  
analog-to-digital converter and I2C interface. The  
LM75A provides 9-bit digital temperature readings  
with an accuracy of ±2°C from -25°C to 100°C and  
±3°C over -55°C to 125°C.  
2
•
No External Components Required  
•
•
•
Shutdown Mode to Minimize Power  
Consumption  
Up to Eight LM75As can be Connected to a  
Single Bus  
Power Up Defaults Permit Stand-Alone  
Operation as Thermostat  
The LM75A operates with a single supply from +2.7V  
to +5.5V. Communication is accomplished over a 2-  
wire interface which operates up to 400kHz. The  
LM75A has three address pins, allowing up to eight  
LM75A devices to operate on the same 2-wire bus.  
The LM75A has a dedicated over-temperature output  
(O.S.) with programmable limit and hysteresis. This  
output has programmable fault tolerance, which  
allows the user to define the number of consecutive  
error conditions that must occur before O.S. is  
activated. The wide temperature and supply range  
and I2C interface make the LM75A ideal for a number  
of applications including base stations, electronic test  
equipment, office electronics, personal computers,  
and any other system where thermal management is  
critical to performance. The LM75A is available in an  
SOIC-8 package and an VSSOP-8 package.  
APPLICATIONS  
•
•
•
•
General System Thermal Management  
Communications Infrastructure  
Electronic Test Equipment  
Environmental Monitoring  
KEY SPECIFICATIONS  
•
Supply Voltage  
LM75A: 2.7V to 5.5V  
Supply Current  
–
•
–
–
Operating: 280 μA (Typ)  
Shutdown: 4 μA (Typ)  
•
Temperature Accuracy  
–
–
25°C to 100°C: ±2°C (Max)  
55°C to 125°C: ±3°C (Max)  
SIMPLIFIED BLOCK DIAGRAM  
+V  
8
S
3
Temperature  
Threshold  
O.S.  
10-Bit  
Digital  
Decimation  
Filter  
Ð
T
Set Point  
OS  
Register  
1-Bit  
D/A  
Set Point  
Comparator  
9-Bit Sigma-Delta ADC  
Reset  
Silicon Bandgap  
Temperature  
Sensor  
Product ID  
Register  
Configuration  
Register  
Pointer  
Register  
T
Set  
HYST  
Point Register  
1
2
7
6
5
A0  
A1  
A2  
SDA  
SCL  
Two-Wire Interface  
4
GND  
Figure 1.  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2000–2013, Texas Instruments Incorporated  
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