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LM75AD,112 PDF预览

LM75AD,112

更新时间： 2024-11-06 21:00:47
品牌 Logo 应用领域
恩智浦 - NXP 输出元件传感器换能器
页数 文件大小 规格书
24页 138K
描述
LM75A - Digital temperature sensor and thermal watchdog SOIC 8-Pin

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LM75AD,112 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP8,.25
针数：8Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：7.29
最大精度（摄氏度）：3 Cel其他特性：THERMAL WATCHDOG
主体宽度：3.9 mm主体高度：1.75 mm
主体长度或直径：4.9 mm外壳：PLASTIC
JESD-609代码：e4安装特点：SURFACE MOUNT
位数：11端子数量：8
最大工作电流：1 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
封装主体材料：PLASTIC/EPOXY封装等效代码：SOP8,.25
封装形状/形式：RECTANGULAR电源：2.8/5.5 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：2.8 V
表面贴装：YES温度系数：NEGATIVE/POSITIVE ppm/ °C
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端接类型：SOLDER
Base Number Matches：1

LM75AD,112 数据手册

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LM75A  
Digital temperature sensor and thermal watchdog  
Rev. 04 — 10 July 2007  
Product data sheet  
1. General description  
The LM75A is a temperature-to-digital converter using an on-chip band gap temperature  
sensor and Sigma-delta A-to-D conversion technique. The device is also a thermal  
detector providing an overtemperature detection output. The LM75A contains a number of  
data registers: Configuration register (Conf) to store the device settings such as device  
operation mode, OS operation mode, OS polarity and OS fault queue as described in  
Section 7 “Functional description”; temperature register (Temp) to store the digital temp  
reading, and set-point registers (Tos and Thyst) to store programmable overtemperature  
shutdown and hysteresis limits, that can be communicated by a controller via the 2-wire  
serial I2C-bus interface. The device also includes an open-drain output (OS) which  
becomes active when the temperature exceeds the programmed limits. There are three  
selectable logic address pins so that eight devices can be connected on the same bus  
without address conflict.  
The LM75A can be configured for different operation conditions. It can be set in normal  
mode to periodically monitor the ambient temperature, or in shutdown mode to minimize  
power consumption. The OS output operates in either of two selectable modes:  
OS comparator mode or OS interrupt mode. Its active state can be selected as either  
HIGH or LOW. The fault queue that defines the number of consecutive faults in order to  
activate the OS output is programmable as well as the set-point limits.  
The temperature register always stores an 11-bit 2's complement data giving a  
temperature resolution of 0.125 °C. This high temperature resolution is particularly useful  
in applications of measuring precisely the thermal drift or runaway.  
The device is powered-up in normal operation mode with the OS in comparator mode,  
temperature threshold of 80 °C and hysteresis of 75 °C, so that it can be used as a  
stand-alone thermostat with those pre-defined temperature set points.  
2. Features  
I Pin-for-pin replacement for industry standard LM75 and offers improved temperature  
resolution of 0.125 °C and specification of a single part over power supply range from  
2.8 V to 5.5 V  
I Small 8-pin package types: SO8 and TSSOP8  
I I2C-bus interface with up to 8 devices on the same bus  
I Power supply range from 2.8 V to 5.5 V  
I Temperatures range from −55 °C to +125 °C  
I 11-bit ADC that offers a temperature resolution of 0.125 °C  
 
 
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LM75AD,112 替代型号

型号 品牌 替代类型 描述 数据表
LM75AD,118 NXP

完全替代

 LM75A - Digital temperature sensor and thermal watchdog SOIC 8-Pin
LM75ADP,118 NXP

完全替代

 LM75A - Digital temperature sensor and thermal watchdog TSSOP 8-Pin
LM75AD NXP

完全替代

 Digital temperature sensor and thermal Watchdog

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