Datasheet > LM62_05

LM62_05

更新时间： 2024-11-25 04:20:03

品牌	Logo	应用领域
美国国家半导体 - NSC		传感器温度传感器
页数	文件大小	规格书
7页	639K
描述
2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor

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中文翻译

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LM62_05 数据手册

August 2005

LM62

2.7V, 15.6 mV/˚C SOT-23 Temperature Sensor

General Description

Features

n Calibrated linear scale factor of +15.6 mV/˚C

The LM62 is a precision integrated-circuit temperature sen-

sor that can sense a 0˚C to +90˚C temperature range while

operating from a single +3.0V supply. The LM62’s output

voltage is linearly proportional to Celsius (Centigrade) tem-

perature (+15.6 mV/˚C) and has a DC offset of +480 mV.

The offset allows reading temperatures down to 0˚C without

the need for a negative supply. The nominal output voltage of

the LM62 ranges from +480 mV to +1884 mV for a 0˚C to

+90˚C temperature range. The LM62 is calibrated to provide

accuracies of 2.0˚C at room temperature and +2.5˚C/

−2.0˚C over the full 0˚C to +90˚C temperature range.

n Rated for full 0˚C to +90˚C range with 3.0V supply

n Suitable for remote applications

Applications

n Cellular Phones

n Computers

n Power Supply Modules

n Battery Management

n FAX Machines

n Printers

n HVAC

n Disk Drives

n Appliances

The LM62’s linear output, +480 mV offset, and factory cali-

bration simplify external circuitry required in a single supply

environment where reading temperatures down to 0˚C is

required. Because the LM62’s quiescent current is less than

130 µA, self-heating is limited to a very low 0.2˚C in still air.

Shutdown capability for the LM62 is intrinsic because its

inherent low power consumption allows it to be powered

directly from the output of many logic gates.

Key Specifications

n Accuracy at 25˚C

2.0 or 3.0˚C (max)

n Temperature Slope

n Power Supply Voltage Range

+15.6 mV/˚C

+2.7V to +10V

130 µA (max)

0.8˚C (max)

n Current Drain 25˚C

n Nonlinearity

n Output Impedance

4.7 kΩ (max)

Connection Diagram

Typical Application

SOT-23

10089301

Top View

See NS Package Number mf03a

10089302

= (+15.6 mV/˚C x T˚C) + 480 mV

Ordering Information

Temperature (T)

+90˚C

Typical V_O

+1884 mV

+1572 mV

870 mV

Order

Device

Top Mark

T7B

Number

Supplied As

+70˚C

LM62BIM3

LM62BIM3X

LM62CIM3

LM62CIM3X

1000 Units, Tape and Reel

3000 Units, Tape and Reel

1000 Units, Tape and Reel

3000 Units, Tape and Reel

+25˚C

T7B

0˚C

+480 mV

T7C

FIGURE 1. Full-Range Centigrade Temperature Sensor

(0˚C to +90˚C)

T7C

Stabilizing a Crystal Oscillator

DS100893

www.national.com

12 3 4 5 6 7

中文翻译

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