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LM3876 Datasheet High-Performance 56W Audio Power Amplifier

Manufacturer: National Semiconductor (now Texas Instruments)

Download the LM3876 datasheet PDF. This datasheet also includes the LM3 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LM3-876.pdf) that lists specifications for multiple related part numbers.

General Description

The LM3876 is a high-performance audio power amplifier capable of delivering 56W of continuous average power to an 8Ω load with 0.1% (THD + N) from 20 Hz–20 kHz.

The performance of the LM3876, utilizing its Self Peak Instantaneous Temperature (˚Ke) (SPiKe™) Protection Circuitry, puts it in a class above discrete and hybrid amplifiers by providing an inherently, dynamically protected Safe Operating Area (SOA).

SPiKe Protection means that these parts are completely safeguarded at the output against overvoltage, undervoltage, overloads, including shorts to the supplies, thermal runaway, and instantaneous temperature peaks.

Overview

LM3876 Overture Audio Power Amplifier Series High-Performance 56W Audio Power Amplifier w/Mute April 1995 LM3876 Overture™ Audio Power Amplifier Series High-Performance 56W Audio Power Amplifier.

Key Features

  • 56W continuous average output power into 8Ω 100W instantaneous peak output power capability Signal-to-Noise Ratio ≥ 95 dB(min) An input mute function Output protection from a short to ground or to the supplies via internal current limiting circuitry n Output over-voltage protection against transients from inductive loads n Supply under-voltage protection, not allowing internal biasing to occur when |VEE| + |VCC| ≤ 12V, thus eliminating turn-on and turn-off transients n 11-lead TO-220 package n n.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
Texas Instruments Logo LM3876 High-Performance 56W Audio Power Amplifier Texas Instruments

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