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PDF LM380 Data sheet ( Hoja de datos )
| Número de pieza | LM380 | |
| Descripción | Audio Power Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM380 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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www.DataSheet4U.com
December 1994
LM380
Audio Power Amplifier
General Description
The LM380 is a power audio amplifier for consumer applica-
tion. In order to hold system cost to a minimum, gain is inter-
nally fixed at 34 dB. A unique input stage allows inputs to be
ground referenced. The output is automatically self centering
to one half the supply voltage.
The output is short circuit proof with internal thermal limiting.
The package outline is standard dual-in-line. A copper lead
frame is used with the center three pins on either side com-
prising a heat sink. This makes the device easy to use in
standard p-c layout.
Uses include simple phonograph amplifiers, intercoms, line
drivers, teaching machine outputs, alarms, ultrasonic driv-
ers, TV sound systems, AM-FM radio, small servo drivers,
power converters, etc.
A selected part for more power on higher supply voltages is
available as the LM384. For more information see AN-69.
Features
n Wide supply voltage range
n Low quiescent power drain
n Voltage gain fixed at 50
n High peak current capability
n Input referenced to GND
n High input impedance
n Low distortion
n Quiescent output voltage is at one-half of the supply
voltage
n Standard dual-in-line package
Connection Diagrams (Dual-In-Line Packages, Top View)
DataSheet4U.com
DS006977-1
Order Number LM380N
See NS Package Number N14A
DS006977-2
Order Number LM380N-8
See NS Package Number N08E
DataShee
© 1999 National Semiconductor Corporation DS006977
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Typical Performance Characteristics (Continued)
Power Supply Current vs
Supply Voltage
Total Harmonic Distortion
vs Frequency
Output Voltage Gain and
Phase vs Frequency
DS006977-16
Total Harmonic Distortion
vs Output Power
DS006977-17
Device Dissipation vs
Output Power
DS006977-18
Supply Decoupling vs
Frequency
et4U.com
DS006977-19
Typical Applications
DataSheet4U.com
DS006977-20
Phono Amplifier
DS006977-21
DataShee
Bridge Amplifier
DS006977-8
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DS006977-9
5 www.national.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LM380.PDF ] | |
Hoja de datos destacado
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