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LM386M-1 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM386M-1
Description  Low Voltage Audio Power Amplifier
Download  9 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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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
n
Battery operation
n
Minimum external parts
n
Wide supply voltage range:
4V–12V or 5V–18V
n
Low quiescent current drain:
4 mA
n
Voltage gains from 20 to 200
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
DS006976-1
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
January 2000
© 2000 National Semiconductor Corporation
DS006976
www.national.com




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