Datasheet > LM45

LM45

更新时间： 2024-09-27 11:12:59

品牌	Logo	应用领域
德州仪器 - TI		温度传感传感器温度传感器
页数	文件大小	规格书
20页	631K
描述
具有 10mV/°C 增益的 ±3°C 模拟输出温度传感器

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LM45 数据手册

LM45

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SNIS117C –AUGUST 1999–REVISED FEBRUARY 2013

LM45 SOT-23 Precision Centigrade Temperature Sensors

Check for Samples: LM45

FEATURES

DESCRIPTION

The LM45 series are precision integrated-circuit

temperature sensors, whose output voltage is linearly

proportional to the Celsius (Centigrade) temperature.

The LM45 does not require any external calibration or

trimming to provide accuracies of ±2°C at room

temperature and ±3°C over a full −20 to +100°C

temperature range. Low cost is assured by trimming

and calibration at the wafer level. The LM45's low

output impedance, linear output, and precise inherent

calibration make interfacing to readout or control

circuitry especially easy. It can be used with a single

power supply, or with plus and minus supplies. As it

draws only 120 μA from its supply, it has very low

self-heating, less than 0.2°C in still air. The LM45 is

rated to operate over a −20° to +100°C temperature

range.

•

Calibrated Directly in ° Celsius (Centigrade)

Linear + 10.0 mV/°C Scale Factor

±3°C Accuracy Guaranteed

Rated for Full −20° to +100°C Range

Suitable for Remote Applications

Low Cost Due to Wafer-Llevel Trimming

Operates from 4.0V to 10V

Less than 120 μA Current Drain

Low Self-Heating, 0.20°C in Still Air

Nonlinearity Only ±0.8°C Max Over Temp

Low Impedance Output, 20Ω for 1 mA Load

APPLICATIONS

•

Battery Management

FAX Machines

Printers

Connection Diagram

Portable Medical Instruments

HVAC

Power Supply Modules

Disk Drives

Figure 1. SOT-23

Top View

Package Number DBZ0003A

Computers

Automotive

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.

All 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.

12 3 4 5 6 7...20

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与LM45相关器件

型号	品牌	获取价格	描述	数据表
LM45_05	NSC	获取价格	SOT-23 Precision Centigrade Temperature Sensors
LM4500A	NSC	获取价格	LM4500A High Fidelity FM Stereo Demodulator with Blend
LM4500AN	NSC	获取价格	LM4500A High Fidelity FM Stereo Demodulator with Blend
LM4500AN/A+	ETC	获取价格	FM Receiver Circuit
LM4500AN/B+	ETC	获取价格	FM Receiver Circuit
LM4510	NSC	获取价格	Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
LM4510	TI	获取价格	具有完全关断隔离的同步降压直流/直流转换器
LM4510SD	NSC	获取价格	Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
LM4510SD/NOPB	NSC	获取价格	IC 1.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, DSO10, 3 X 3 MM, 0.80 MM HEIGHT
LM4510SD/NOPB	TI	获取价格	具有完全关断隔离的同步降压直流/直流转换器 \| DSC \| 10 \| -40 to 85

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