LM386

更新时间： 2024-11-25 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		商用集成电路放大器功率放大器光电二极管
页数	文件大小	规格书
9页	255K
描述
Low Voltage Audio Power Amplifier

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LM386 数据手册

January 2000

LM386

Low Voltage Audio Power Amplifier

General Description

Features

n Battery operation

n Minimum external parts

The LM386 is a power amplifier designed for use in low volt-

age consumer applications. The gain is internally set to 20 to

keep external part count low, but the addition of an external

resistor and capacitor between pins 1 and 8 will increase the

gain to any value up to 200.

n Wide supply voltage range: 4V–12V or 5V–18V

n Low quiescent current drain: 4 mA

n Voltage gains from 20 to 200

The inputs are ground referenced while the output is auto-

matically biased to one half the supply voltage. The quies-

cent power drain is only 24 milliwatts when operating from a

6 volt supply, making the LM386 ideal for battery operation.

n Ground referenced input

n Self-centering output quiescent voltage

n Low distortion

n Available in 8 pin MSOP package

Applications

n AM-FM radio amplifiers

n Portable tape player amplifiers

n Intercoms

n TV sound systems

n Line drivers

n Ultrasonic drivers

n Small servo drivers

n Power converters

Equivalent Schematic and Connection Diagrams

Small Outline,

Molded Mini Small Outline,

and Dual-In-Line Packages

DS006976-2

Top View

Order Number LM386M-1,

LM386MM-1, LM386N-1,

LM386N-3 or LM386N-4

See NS Package Number

M08A, MUA08A or N08E

DS006976-1

DS006976

www.national.com

12 3 4 5 6 7...9

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LM386_05	UTC	获取价格	LOW VOLTAGE AUDIO POWER AMPLIFIER
LM386_11	UTC	获取价格	LOW VOLTAGE AUDIO POWER AMPLIFIER
LM386_15	UTC	获取价格	LOW VOLTAGE AUDIO POWER AMPLIFIER
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LM386CD	ETC	获取价格	Analog IC
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LM386D	TGS	获取价格	Low Voltage Audio Power Amplifier
LM386-D08-T	UTC	获取价格	LOW VOLTAGE AUDIO POWER AMPLIFIER
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