Datasheet > LM62

LM62

更新时间： 2024-11-21 11:36:43

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	222K
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 数据手册

June 1999

LM62

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

General Description

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 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.

Key Specifications

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 re-

quired. 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 in-

herent low power consumption allows it to be powered di-

rectly from the output of many logic gates.

n Accuracy at 25˚C

2.0 or 3.0˚C

(max)

n Temperature Slope

+15.6 mV/˚C

n Power Supply Voltage Range

+2.7V to +10V

130 µA (max)

n Current Drain 25˚C

n Nonlinearity

0.8˚C (max)

n Output Impedance

4.7 kΩ (max)

Features

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

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

n Suitable for remote applications

Connection Diagram

Typical Application

SOT-23

DS100893-1

DS100893-2

Top View

See NS Package Number MA03B

(+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

SOT-23

Device

Marking

T7B

+70˚C

Number

Supplied As

+25˚C

0˚C

+480 mV

LM62BIM3

LM62BIM3X

LM62CIM3

LM62CIM3X

1000 Units on Tape and Reel

3000 Units on Tape and Reel

1000 Units on Tape and Reel

3000 Units on Tape and Reel

T7B

FIGURE 1. Full-Range Centigrade Temperature Sensor

(0˚C to +90˚C) Stabilizing a Crystal Oscillator

T7C

DS100893

www.national.com

12 3 4 5 6 7

中文翻译

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与LM62相关器件

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LM62_05	NSC	获取价格	2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor
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LM6211	NSC	获取价格	Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation
LM6211	TI	获取价格	LM6211 Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation
LM6211 MDC	TI	获取价格	军用级、单路、24V、17MHz、RRO 运算放大器 \| Y \| 0 \| -40 to 8
LM6211MDC	TI	获取价格	IC,OP-AMP,SINGLE,CMOS,DIE
LM6211MF	NSC	获取价格	Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation
LM6211MF	TI	获取价格	LM6211 Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation

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