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1FEATURES

2? Wide Supply Voltage Range: 12V to 26V

? Low Quiescent Power Drain

? Voltage Gain Fixed at 50

? High Peak Current Capability: 1.3A

? Input Referenced to GND

? High Input Impedance: 150kΩ

? Low Distortion: 0.25% (PO=4W, RL=8Ω)

? Quiescent Output Voltage is at One Half of the

Supply Voltage

? 14-Pin PDIP Package

DESCRIPTION

The LM384 is a power audio amplifier for consumer

applications. In order to hold system cost to a

minimum, gain is internally fixed at 34 dB. A unique

input stage allows ground referenced input signals.

The output automatically self-centers 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 comprising 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 drivers, TV sound systems, AM-FM

radio and sound projector systems. See SNAA086 for

circuit details.