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LM89CIMMX/NOPB

更新时间： 2024-02-02 02:27:41
品牌 Logo 应用领域
美国国家半导体 - NSC 输出元件传感器换能器
页数 文件大小 规格书
20页 725K
描述
Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 3Cel, SQUARE, SURFACE MOUNT, MO-187, MSOP-8

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LM89CIMMX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TSSOP8,.19Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14最大精度（摄氏度）：3 Cel
主体宽度：3 mm主体高度：0.86 mm
主体长度或直径：3 mm外壳：PLASTIC
JESD-609代码：e3安装特点：SURFACE MOUNT
位数：11端子数量：8
最大工作电流：0.8 mA最高工作温度：125 °C
最低工作温度：输出接口类型：2-WIRE INTERFACE
封装主体材料：PLASTIC/EPOXY封装等效代码：TSSOP8,.19
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：Matte Tin (Sn)
端接类型：SOLDERBase Number Matches：1

LM89CIMMX/NOPB 数据手册

 浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第2页浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第3页浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第4页浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第5页浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第6页浏览型号LM89CIMMX/NOPB的Datasheet PDF文件第7页 
December 2004  
LM89  
0.75˚C Accurate, Remote Diode and Local Digital  
Temperature Sensor with Two-Wire Interface  
n Offset register allows sensing a variety of thermal  
diodes accurately  
General Description  
The LM89 is an 11-bit digital temperature sensor with a  
2-wire System Management Bus (SMBus) serial interface.  
The LM89 accurately measures its own temperature as well  
as the temperature of an external device, such as processor  
thermal diode or diode-connected transistor such as the  
2N3904. The temperature of any ASIC can be accurately  
determined using the LM89 as long as a dedicated diode  
(semiconductor junction) is available on the target die. The  
LM89 remote sensor accuracy of 0.75˚C is factory trimmed  
for the series resistance and 1.0021 typical non-ideality fac-  
n On-board local temperature sensing  
n 10 bit plus sign remote diode temperature data format,  
0.125 ˚C resolution  
n T_CRIT_A output useful for system shutdown  
n ALERT output supports SMBus 2.0 protocol  
n SMBus 2.0 compatible interface, supports TIMEOUT  
n 8-pin MSOP and SOIC packages  
Key Specifications  
tor of the Intel® Pentium 4 and the Mobile Pentium 4  
™
j
j
j
Processor-M thermal diode. The LM89 has an Offset  
register to allow measuring other diodes without  
requiring continuous software management. Contact  
Supply Voltage  
3.0 V to 3.6 V  
0.8 mA (typ)  
Supply Current  
Local Temp Accuracy (includes quantization error)  
@
hardware.monitor.team nsc.com to obtain the latest data for  
TA=25˚C to 125˚C  
3.0 ˚C (max)  
new processors.  
j
Remote Diode Temp Accuracy (includes quantization  
The LM89 and the LM89-1 have the same functions but  
different SMBus slave addresses. This allows for one of  
each to be on the bus at the same time.  
error)  
TA=30˚C,TD=80˚C  
0.75 ˚C (max)  
1.0 ˚C (max)  
3.0 ˚C (max)  
Activation of the ALERT output occurs when any tempera-  
ture goes outside a preprogrammed window set by the HIGH  
and LOW temperature limit registers or exceeds the T_CRIT  
temperature limit. Activation of the T_CRIT_A occurs when  
any temperature exceeds the T_CRIT programmed limit.  
The LM89 is pin and register compatible with the LM86,  
LM90, Analog Devices ADM1032 and Maxim MAX6657/8.  
TA=30˚C to 50˚C, TD=60˚C to 100˚C  
TA=0˚C to 85˚C, TD=25˚C to 125˚C  
Applications  
n Processor/Computer System Thermal Management  
(e.g. Laptop, Desktop, Workstations, Server)  
n Electronic Test Equipment  
Features  
n Office Electronics  
n Accurately senses die temperature of remote ICs or  
diode junctions  
Simplified Block Diagram  
20041501  
™
Pentium is a trademark of Intel Corporation.  
© 2004 National Semiconductor Corporation  
DS200415  
www.national.com  
1234567...20

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