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LM380 - 2.5W Audio Power Amplifier

General 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.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.