LM3886 TI Overture 68W Audio Power Amplifier Data Sheet

Download Datasheet for Texas Instruments LM3886 Overture(TM) High-Performance 68W Audio Power Amplifier w/Mute [31 pages Rev.C 2013 pdf/zip]

SKU: TILM3886DS2013REVC Category: Brand:

Description

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

APPLICATIONS
– Component stereo
– Compact stereo
– Self-powered speakers
– Surround-sound amplifiers
– High-end stereo TVs

DATASHEET CONTAINS:

TYPICAL APPLICATION
Figure 1. Typical Audio Amplifier Application Circuit

CONNECTION DIAGRAM
Figure 2. TO-220 and PFM Plastic Packages

LM3886 PINOUT

ABSOLUTE MAXIMUM RATINGS

OPERATING RATINGS

ELECTRICAL CHARACTERISTICS

Test Circuit #1 – DC Electrical Test Circuit

Test Circuit #2 – AC Electrical Test Circuit

Single Supply Application Circuit

Figure 3. Typical Single Supply Audio Amplifier Application Circuit

EQUIVALENT SCHEMATIC (excluding active protection circuitry)

EXTERNAL COMPONENTS DESCRIPTION

OPTIONAL EXTERNAL COMPONENT INTERACTION

TYPICAL PERFORMANCE CHARACTERISTICS

APPLICATION INFORMATION
– GENERAL FEATURES: Mute Function, Under-Voltage Protection, Over-Voltage Protection, SPiKe Protection, Thermal Protection
– THERMAL CONSIDERATIONS: Heat Sinking, Determining Maximum Power Dissipation, Determining the Correct Heat Sink
– SIGNAL-TO-NOISE RATIO
– SUPPLY BYPASSING
– LEAD INDUCTANCE
– LAYOUT, GROUND LOOPS AND STABILITY
– REACTIVE LOADING
– GENERALIZED AUDIO POWER AMPLIFIER DESIGN
– DESIGN A 40W/4 Ohm AUDIO AMPLIFIER