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PDF LM386 Data sheet ( Hoja de datos )
| Número de pieza | LM386 | |
| Descripción | Low Voltage Audio Power Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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 1. Audio Power Amplifier - National  Hay una vista previa y un enlace de descarga de LM386 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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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
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
Small Outline,
Molded Mini Small Outline,
and Dual-In-Line Packages
DS006976-1
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
© 2000 National Semiconductor Corporation DS006976
www.national.com
1 page  
Typical Applications
Amplifier with Gain = 20
Minimum Parts
Amplifier with Gain = 200
DS006976-3
Amplifier with Gain = 50
DS006976-4
Low Distortion Power Wienbridge Oscillator
DS006976-6
Amplifier with Bass Boost
Square Wave Oscillator
DS006976-7
DS006976-8
5
DS006976-9
www.national.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LM386.PDF ] | |
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