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LM95214CISDX/NOPB

更新时间： 2024-01-03 08:12:58
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德州仪器 - TI 输出元件传感器换能器
页数 文件大小 规格书
44页 1094K
描述
Quad Remote Diode and Local Temperature Sensor with SMBus Interface

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LM95214CISDX/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOLCC14,.16,20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.78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 mmJESD-609代码：e3
安装特点：SURFACE MOUNT位数：13
端子数量：14最大工作电流：0.57 mA
最高工作温度：140 °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/Transducers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：SOLDER
Base Number Matches：1

LM95214CISDX/NOPB 数据手册

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LM95214  
www.ti.com  
SNIS146A –MARCH 2007–REVISED MARCH 2013  
Quad Remote Diode and Local Temperature Sensor with SMBus Interface  
Check for Samples: LM95214  
1
FEATURES  
APPLICATIONS  
23  
•
Accurately Senses Die Temperature of 4  
Remote ICs or Diode Junctions and Local  
Temperature  
•
Processor/Computer System Thermal  
Management  
–
(e.g. Laptop, Desktop, Workstations,  
Server)  
•
Programmable Digital Filters and Analog Front  
End Filter  
•
•
Electronic Test Equipment  
Office Electronics  
•
•
0.125°C LSb Temperature Resolution  
0.03125°C LSb Remote Temperature  
Resolution with Digital Filter Enabled  
DESCRIPTION  
The LM95214 is an 11-bit digital temperature sensor  
with a 2-wire System Management Bus (SMBus)  
interface that can very accurately monitor the  
temperature of four remote diodes as well as its own  
temperature. The four remote diodes can be external  
•
•
+127.875°C/–128°C and 0°C/255°C Remote  
Ranges  
Remote Diode Fault Detection, Model  
Selection and Offset Correction  
•
•
Mask and Status Register Support  
devices  
such  
as  
microprocessors,  
graphics  
processors that target the ideality of a 2N3904  
transistor or diode-connected 2N3904s.  
3 Programmable TCRIT Outputs with  
Programmable Shared Hysteresis and Fault-  
Queue  
The LM95214 reports temperature in two different  
formats for +127.875°C/–128°C range and 0°C/255°C  
range. The LM95214 TCRIT1, TCRIT2 and TCRIT3  
outputs are triggered when any unmasked channel  
exceeds its corresponding programmable limit and  
can be used to shutdown the system, to turn on the  
system fans or as a microcontroller interrupt function.  
The current status of the TCRIT1, TCRIT2 and  
TCRIT3 pins can be read back from the status  
registers. Mask registers are available for further  
control of the TCRIT outputs.  
•
•
Programmable Conversion Rate and Shutdown  
Mode One-shot Conversion Control  
SMBus 2.0 Compatible Interface, Supports  
TIMEOUT  
•
•
Three-level Address Pin  
14-pin WSON Package  
KEY SPECIFICATIONS  
•
•
Local Temperature Accuracy ±2.0°C (max)  
Two LM95214 remote temperature channels have  
programmable digital filters while the other two  
remote channels utilize a fault-queue to minimize  
unwanted TCRIT events when temperature spikes  
are encountered.  
Remote Diode Temperature Accuracy ±1.1°C  
(Max)  
•
•
Supply Voltage 3.0V to 3.6V  
Average Supply Current (1Hz Conversion  
Rate) 0.57 mA (Typ)  
For optimum flexibility and accuracy, each LM95214  
channel includes registers for offset correction. A  
three-level address pin allows connection of up to 3  
LM95214s to the same SMBus master. The LM95214  
includes power saving functions such as:  
programmable conversion rate, shutdown mode, and  
disabling of unused channels.  
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
3
Pentium is a trademark of Intel Corporation.  
All other 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 © 2007–2013, Texas Instruments Incorporated  
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LM95214CISDX/NOPB 替代型号

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LM95214CISD/NOPB TI

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 Quad Remote Diode and Local Temperature Sensor with SMBus Interface

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