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LM384 Datasheet

  • LM384

  • 5W Audio Power Amplifier

  • 7頁(yè)

  • NSC

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LM384 5W Audio Power Amplifier
February 1995
LM384
5W Audio Power Amplifier
General Description
The LM384 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, sound projector sys-
tems, etc. See AN-69 for circuit details.
Features
Wide supply voltage range
Low quiescent power drain
Voltage gain fixed at 50
High peak current capability
Input referenced to GND
High input impedance
Low distortion
Quiescent output voltage is at one half of the supply
voltage
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Standard dual-in-line package
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Schematic Diagram
DS007843-3
漏 1999 National Semiconductor Corporation
DS007843
www.national.com

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