Datasheet > LM60_05

LM60_05

更新时间： 2024-11-25 04:20:07

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
11页	637K
描述
2.7V, SOT-23 or TO-92 Temperature Sensor

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中文翻译

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数据手册

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LM60_05 数据手册

August 2005

LM60

2.7V, SOT-23 or TO-92 Temperature Sensor

n Available in SOT-23 and TO-92 packages

General Description

The LM60 is a precision integrated-circuit temperature sen-

sor that can sense a −40˚C to +125˚C temperature range

while operating from a single +2.7V supply. The LM60’s

output voltage is linearly proportional to Celsius (Centigrade)

temperature (+6.25 mV/˚C) and has a DC offset of +424 mV.

The offset allows reading negative temperatures without the

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

LM60 ranges from +174 mV to +1205 mV for a −40˚C to

+125˚C temperature range. The LM60 is calibrated to pro-

vide accuracies of 2.0˚C at room temperature and 3˚C

over the full −25˚C to +125˚C temperature range.

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 LM60’s linear output, +424 mV offset, and factory cali-

bration simplify external circuitry required in a single supply

environment where reading negative temperatures is re-

quired. Because the LM60’s quiescent current is less than

110 µA, self-heating is limited to a very low 0.1˚C in still air in

the SOT-23 package. Shutdown capability for the LM60 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 and 3.0˚C (max)

n Accuracy for −40˚C to +125˚C:

n Accuracy for −25˚C to +125˚C:

n Temperature Slope: +6.25mV/˚C

4.0˚C (max)

3.0˚C (max)

n Power Supply Voltage Range: +2.7V to +10V

n Current Drain 25˚C: 110µA (max)

n Nonlinearity: 0.8˚C (max)

Features

n Calibrated linear scale factor of +6.25 mV/˚C

n Rated for full −40˚ to +125˚C range

n Suitable for remote applications

n Output Impedance: 800Ω (max)

Typical Application

Connection Diagrams

SOT-23

01268101

01268102

Top View

See NS Package Number mf03a

= (+6.25 mV/˚C x T ˚C) + 424 mV

Temperature (T)

+125˚C

+100˚C

+25˚C

Typical V_O

+1205 mV

+1049 mV

+580 mV

+424 mV

+268 mV

+174 mV

TO-92

0˚C

−25˚C

01268123

−40˚C

See NS Package Number Z03A

FIGURE 1. Full-Range Centigrade Temperature Sensor

(−40˚C to +125˚C) Operating from a Single Li-Ion

Battery Cell

DS012681

www.national.com

12 3 4 5 6 7...11

中文翻译

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