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LM95213CISD PDF预览

LM95213CISD

更新时间： 2024-02-04 16:48:22
品牌 Logo 应用领域
美国国家半导体 - NSC 二极管传感器温度传感器
页数 文件大小 规格书
34页 722K
描述
2-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface and TCRIT Outputs

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LM95213CISD 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：SOLCC14,.16,20Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.82最大精度（摄氏度）：2 Cel
主体宽度：4 mm主体高度：0.8 mm
主体长度或直径：4 mm外壳：PLASTIC
JESD-609代码：e0安装特点：SURFACE MOUNT
位数：11端子数量：14
最大工作电流：0.57 mA最高工作温度：125 °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：SOLCC14,.16,20
封装形状/形式：SQUARE电源：3.3 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：3.6 V最小供电电压：3 V
表面贴装：YES端子面层：Tin/Lead (Sn/Pb)
端接类型：SOLDERBase Number Matches：1

LM95213CISD 数据手册

 浏览型号LM95213CISD的Datasheet PDF文件第2页浏览型号LM95213CISD的Datasheet PDF文件第3页浏览型号LM95213CISD的Datasheet PDF文件第4页浏览型号LM95213CISD的Datasheet PDF文件第5页浏览型号LM95213CISD的Datasheet PDF文件第6页浏览型号LM95213CISD的Datasheet PDF文件第7页 
March 2007  
LM95213  
2-Diode Input and Local Digital Temperature Sensor with  
Two-Wire Interface and TCRIT Outputs  
0.03125°C LSb remote temperature resolution with digital  
filter enabled  
+127.875°C/–128°C and 0°C/255°C remote ranges  
■
General Description  
LM95213 is an 11-bit digital temperature sensor with a 2-wire  
■
■
■
System Management Bus (SMBus) interface that can monitor  
the temperature of two remote diodes as well as its own tem-  
perature. The LM95213 can be used to very accurately mon-  
itor the temperature of up to two external devices such as  
microprocessors, graphics processors or diode-connected  
2N3904s.  
Programmable digital filters and analog front end filter  
Remote diode fault detection, model selection and offset  
correction  
Mask and status register support  
■
■
3 programmable TCRIT outputs with programmable  
shared hysteresis  
Programmable conversion rate and shutdown mode one-  
shot conversion control  
SMBus 2.0 compatible interface, supports TIMEOUT  
Three-level address pin  
The LM95213 reports temperature in two different formats for  
+127.875°C/–128°C range and 0°C/255°C range. The  
LM95213 TCRIT1, TCRIT2 and TCRIT3 outputs are triggered  
when any unmasked channel exceeds its corresponding pro-  
grammable limit and can be used to shutdown the system, to  
turn on the system fans or as a microcontroller interrupt func-  
tion. The current status of the TCRIT1, TCRIT2 and TCRIT3  
pins can be read back from the status registers. Mask regis-  
ters are available for further control of the TCRIT outputs.  
■
■
■
■
14-pin LLP package  
Key Specifications  
LM95213's remote temperature channels have pro-  
grammable digital filters to minimize unwanted TCRIT events  
when temperature spikes are encountered.  
±2.0 °C (max)  
±1.1 °C (max)  
3.0 V to 3.6 V  
0.57 mA (typ)  
■ꢀLocal Temperature Accuracy  
■ꢀRemote Diode Temperature Accuracy  
■ꢀSupply Voltage  
■ꢀAverage Supply Current (1Hz  
conversion rate)  
For optimum flexibility and accuracy each LM95213 channel  
includes offset correction registers for targeting diodes other  
than the 2N3904. A three level address pin allows connection  
of up to 3 LM95213s to the same SMBus master. The  
LM95213 includes power saving functions such as: pro-  
grammable conversion rate, shutdown mode, and turn off of  
unused channels.  
Applications  
Processor/Computer System Thermal Management  
(e.g. Laptop, Desktop, Workstations, Server)  
■
Features  
Electronic Test Equipment  
Office Electronics  
■
■
Accurately senses die temperature of 2 remote ICs or  
■
diode junctions and local temperature  
0.125°C LSb temperature resolution  
■
Connection Diagram  
LLP-14  
30013801  
TOP VIEW  
TruTherm™ is a trademark of National Semiconductor Corporation.  
Intel™ is a trademark of Intel Corporation.  
Pentium™ is a trademark of Intel Corporation.  
© 2007 National Semiconductor Corporation  
300138  
www.national.com  
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