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LM3886 Datasheet High-Performance 68W Audio Power Amplifier

Manufacturer: National Semiconductor (now Texas Instruments)

Download the LM3886 datasheet PDF. This datasheet also includes the LM3 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM3-866.pdf) that lists specifications for multiple related part numbers.

General Description

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a 4Ω load and 38W into 8Ω with 0.1% (THD + N) from 20 Hz–20 kHz.

The performance of the LM3886, 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

LM3886 Overture Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier w/Mute May 1999 LM3886 Overture™ Audio Power Amplifier Series High-Performance 68W Audio Power Amplifier.

Key Features

  • n 68W cont. avg. output power into 4Ω at VCC = ± 28V Typical.