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LM73CIMK-0 PDF预览

LM73CIMK-0

更新时间： 2024-11-23 02:59:07
品牌 Logo 应用领域
美国国家半导体 - NSC 传感器换能器温度传感器输出元件
页数 文件大小 规格书
18页 732K
描述
2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor with 2-Wire Interface

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中文翻译

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LM73CIMK-0 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TSOP6,.11,37Reach Compliance Code：compliant
风险等级：5.18Is Samacsys：N
最大精度（摄氏度）：2.5 Cel主体宽度：1.65 mm
主体高度：0.87 mm主体长度或直径：2.97 mm
外壳：PLASTICJESD-609代码：e0
安装特点：SURFACE MOUNT位数：14
端子数量：6最大工作电流：0.49 mA
最高工作温度：150 °C最低工作温度：-40 °C
输出接口类型：2-WIRE INTERFACE封装主体材料：PLASTIC/EPOXY
封装等效代码：TSOP6,.11,37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：Tin/Lead (Sn/Pb)端接类型：SOLDER
Base Number Matches：1

LM73CIMK-0 数据手册

 浏览型号LM73CIMK-0的Datasheet PDF文件第2页浏览型号LM73CIMK-0的Datasheet PDF文件第3页浏览型号LM73CIMK-0的Datasheet PDF文件第4页浏览型号LM73CIMK-0的Datasheet PDF文件第5页浏览型号LM73CIMK-0的Datasheet PDF文件第6页浏览型号LM73CIMK-0的Datasheet PDF文件第7页 
October 2005  
LM73  
2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor  
with 2-Wire Interface  
General Description  
Key Specifications  
The LM73 is an integrated, digital-output temperature sensor  
featuring an incremental Delta-Sigma ADC with a two-wire  
interface that is compatible with the SMBus and I2C® inter-  
faces. The host can query the LM73 at any time to read  
temperature. Available in a 6-pin SOT-23 package, the LM73  
occupies very little board area while operating over a wide  
temperature range (-40˚C to 150˚C) and providing 1.0˚C  
accuracy from -10˚C to 80˚C. The user can optimize be-  
tween the conversion time and the sensitivity of the LM73 by  
programming it to report temperature in any of four different  
resolutions. Defaulting to 11-bit mode (0.25˚C/LSB), the  
LM73 measures temperature in a maximum time of 14 ms,  
making it ideal for applications that require temperature data  
very soon after power-up. In its maximum resolution, 14-bit  
mode (0.03125˚C/LSB), the LM73 is optimized to sense very  
small changes in temperature.  
j
Supply Voltage  
2.7V to 5.5V  
320 µA (typ)  
495 µA (max)  
8 µA (max)  
1.9 µA (typ)  
1.0˚C (max)  
1.5˚C (max)  
2.0˚C (max)  
0.25˚C to  
j
Supply Current  
operating  
shutdown  
j
Temperature  
−10˚C to 80˚C  
−25˚C to 115˚C  
−40˚C to 150˚C  
Accuracy  
j
j
Resolution  
0.03125˚C  
Conversion Time  
11-bit (0.25˚C)  
14 ms (max)  
14-bit (0.03125˚C) 112 ms (max)  
A single multi-level address line selects one of three unique  
device addresses. An open-drain ALERT output goes active  
when the temperature exceeds a programmable limit. Both  
the data and clock lines are filtered for excellent noise toler-  
ance and reliable communication. Additionally, a time-out  
feature on the clock and data lines causes the LM73 to  
automatically reset these lines if either is held low for an  
extended time, thus exiting any bus lock-up condition without  
processor intervention.  
Features  
n Single address pin offers choice of three selectable  
addresses per version for a total of six possible  
addresses.  
n SMBus and I2C-compatible two-wire interface  
n Supports 400 kHz operation  
n Shutdown mode with one-shot feature available for very  
low average power consumption  
n Programmable digital temperature resolution from 11  
bits to 14 bits.  
Applications  
n Portable Electronics  
n Notebook Computers  
n Automotive  
n System Thermal Management  
n Office Electronics  
n Fast conversion rate ideal for quick power up and  
measuring rapidly changing temperature  
n Open-drain ALERT output pin goes active when  
temperature is above a programmed temperature limit  
n Very stable, low-noise digital ouput.  
Typical Application  
20147803  
2
I
C is a registered trademark of Philips Electronics N.V. Corporation  
© 2005 National Semiconductor Corporation  
DS201478  
www.national.com  
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