A 11 pin powerful audio amp IC, If you are planning to build a subwoofer amp, this LM3886 IC performs well in small space. The LM3886 is a powerful 68watt output audio amplifier IC, designed for powerful audio amplifiersetup. In this article sharing with Features, Pinout, Characteristics of LM3886 IC.
Features of LM3886 IC
Signal to noise ratio is grater than 92dB (high quality signal where the desired signal power significantly exceeds the noise power.)
Input Mute function available.
Output over voltage protection.
Under voltage protection.
Supply voltage is from 20V to 84V.
Output Watts based on Different Input Voltages
Supply voltage (dual supply)
Speaker
Output watts
28V
4 ohms
68W
28V
8 ohms
38W
35V
4 ohms
50W
LM3886 Pinout
LM3886 Pinout
Pin No.
Symbol
Description
1
V+
Positive power supply
2
NC
No connection
3
OUTPUT
Amplifier output
4
V−
Negative power supply
5
V+
Positive power supply (internally connected)
6
NC
No connection
7
GND
Signal ground
8
MUTE
Mute control input
9
VIN−
Inverting input
10
VIN+
Non-inverting input
11
NC
No connection (or tab connection depending on package)
Applications
High-quality audio amplifiers for hi-fi and stereo systems.
DIY Audio Projects for building custom amplifiers.
IC Can drive low-frequency speakers due to its high power output.
Theater Systems, Used in multi-channel home theater setups.
Musical Instrument amplifiers in Guitar, keyboard, and other instrument amps.
Active Speaker Systems
Car Audio Amplifiers
PA Systems (Public Address), Medium scale sound reinforcement.
Studio Monitor Amplifiers for a Clean, low distortion amplification for audio mixing.
Akhil Satheesh is an electronics expert and the Founder and CEO of Soldering Mind. He specializes in designing innovative electronic circuits and custom, high-performance PCB layouts. Every project he shares on solderingmind.com is rigorously bench-tested to ensure accuracy for makers and hobbyists alike.
