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LM380

Texas Instruments
Part Number LM380
Manufacturer Texas Instruments
Description 2.5W Audio Power Amplifier
Published Nov 22, 2023
Detailed Description LM380 www.ti.com SNAS546C – DECEMBER 1994 – REVISED APRIL 2013 LM380 2.5W Audio Power Amplifier Check for Samples: LM...
Datasheet PDF File LM380 PDF File

LM380
LM380

Overview
LM380 www.
ti.
com SNAS546C – DECEMBER 1994 – REVISED APRIL 2013 LM380 2.
5W Audio Power Amplifier Check for Samples: LM380 FEATURES 1 • Wide Supply Voltage Range: 10V-22V • Low Quiescent Power Drain: 0.
13W (VS= 18V) • Voltage Gain Fixed at 50 • High Peak Current Capability: 1.
3A • Input Referenced to GND • High Input Impedance: 150kΩ • Low Distortion • Quiescent Output Voltage is at One-Half of the Supply Voltage • Standard Dual-In-Line Package DESCRIPTION The LM380 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.
The LM380N uses a copper lead frame.
The center three pins on either side comprise a heat sink.
This makes the device easy to use in standard PC layouts.
Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic drivers, 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 SNAA086.
Connection Diagrams (Dual-In-Line Packages, Top View) Figure 1.
14-Pin PDIP See NFF0014A Package Figure 2.
8-Pin PDIP See P Package 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright © 1994–2013, Texas Instruments Incorporated LM380 SNAS546C – DECEMBER 19...


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