Datasheet > LM34

LM34

更新时间： 2024-02-26 00:22:15

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
33页	966K
描述
带华氏刻度的 ±1°F 5V 至 30V 模拟输出温度传感器

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LM34 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.68	主体高度：	2.35 mm
主体长度或直径：	5.43 mm	外壳：	METAL
安装特点：	THROUGH HOLE MOUNT	最大工作电流：	0.075 mA
最高工作温度：	149 °C	最低工作温度：	-45 °C
封装形状/形式：	CYLINDRICAL	传感器/换能器类型：	TEMPERATURE SENSOR,ANALOG,VOLTAGE OUTPUT
表面贴装：	NO	端接类型：	SOLDER
Base Number Matches：	1

LM34 数据手册

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LM34

SNIS161D –MARCH 2000–REVISED JANUARY 2016

LM34 Precision Fahrenheit Temperature Sensors

1 Features

3 Description

The LM34 series devices are precision integrated-

•

Calibrated Directly in Degrees Fahrenheit

Linear 10.0 mV/°F Scale Factor

circuit temperature sensors, whose output voltage is

linearly proportional to the Fahrenheit temperature.

The LM34 device has an advantage over linear

temperature sensors calibrated in degrees Kelvin,

because the user is not required to subtract a large

constant voltage from its output to obtain convenient

Fahrenheit scaling. The LM34 device does not

require any external calibration or trimming to provide

typical accuracies of ±1/2°F at room temperature and

±1-1⁄2°F over a full −50°F to 300°F temperature

range. Lower cost is assured by trimming and

calibration at the wafer level. The low output

impedance, linear output, and precise inherent

calibration of the LM34 device makes interfacing to

readout or control circuitry especially easy. It can be

used with single power supplies or with plus and

minus supplies. Because the LM34 device draws only

75 µA from its supply, the device has very low self-

heating, less than 0.2°F in still air.

1.0°F Accuracy Assured (at 77°F)

Rated for Full −50° to 300°F Range

Suitable for Remote Applications

Low Cost Due to Wafer-Level Trimming

Operates From 5 to 30 Volts

Less Than 90-μA Current Drain

Low Self-Heating, 0.18°F in Still Air

Nonlinearity Only ±0.5°F Typical

Low-Impedance Output, 0.4 Ω for 1-mA Load

2 Applications

•

Power Supplies

Battery Management

HVAC

The LM34 device is rated to operate over a −50°F to

300°F temperature range, while the LM34C is rated

for a −40°F to 230°F range (0°F with improved

accuracy). The LM34 devices are series is available

packaged in hermetic TO-46 transistor packages;

while the LM34C, LM34CA, and LM34D are available

in the plastic TO-92 transistor package. The LM34D

device is available in an 8-lead, surface-mount, small-

outline package. The LM34 device is a complement

to the LM35 device (Centigrade) temperature sensor.

Appliances

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

4.90 mm × 3.91 mm

4.30 mm × 4.30 mm

4.699 mm × 4.699 mm

SOIC (8)

LM34

TO-92 (3)

TO-46 (3)

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Basic Fahrenheit Temperature Sensor (5°F to

300°F)

Full-Range Fahrenheit Temperature Sensor

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...33

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