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LM386 PDF Datasheet浏览和下载

型号.:
LM386
PDF下载:
下载PDF文件
内容描述:
低电压音频功率放大器
[Low Voltage Audio Power Amplifier]
文件大小:
255 K
文件页数:
9 Pages
品牌Logo:
品牌名称:
NSC [ NATIONAL SEMICONDUCTOR ]
PCB Prototype
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LM386 Low Voltage Audio Power Amplifier
January 2000
LM386
Low Voltage Audio Power Amplifier
General Description
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.
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.
Features
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Battery operation
Minimum external parts
Wide supply voltage range: 4V–12V or 5V–18V
Low quiescent current drain: 4 mA
Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Low distortion
Available in 8 pin MSOP package
Applications
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AM-FM radio amplifiers
Portable tape player amplifiers
Intercoms
TV sound systems
Line drivers
Ultrasonic drivers
Small servo drivers
Power converters
Equivalent Schematic and Connection Diagrams
Small Outline,
Molded Mini Small Outline,
and Dual-In-Line Packages
DS006976-2
DS006976-1
Top View
Order Number LM386M-1,
LM386MM-1, LM386N-1,
LM386N-3 or LM386N-4
See NS Package Number
M08A, MUA08A or N08E
© 2000 National Semiconductor Corporation
DS006976
www.national.com