Output power 50 Wrms @ 8 Ohms
Input sensitivity 650 mV
Frequency response 15Hz - 23.7 KHz (-1 dB)
Midband Gain 29 dB
Split power supply -30V , +30V
The LM3886T is a high-performance audio power amplifier IC made by Texas Instruments (originally developed by National Semiconductor). It’s widely known for its high-quality sound output, reliability, and ease of use, making it popular among audio enthusiasts and in DIY amplifier projects. Here are some key features:
Key Features
1. High Output Power: Delivers continuous output of around 68W into a 4-ohm load or about 50W into an 8-ohm load with low distortion.
2. Low Distortion and Low Noise: Has a THD+N (Total Harmonic Distortion + Noise) as low as 0.03% at typical audio frequencies, providing clean sound.
3. Overload Protection: Includes features like over-temperature and over-voltage protection, making it robust and reliable.
4. Silent Operation: Provides a silent turn-on and turn-off to prevent speaker “pops” or other unwanted noise.
5. Thermal Shutdown and Spike Protection: To prevent damage, it automatically shuts down when reaching high temperatures and protects against transient voltage spikes.
Applications
• High-fidelity audio systems
• Home theater systems
• Active speakers and studio monitors
• DIY audio amplifier projects
Package
The “T” at the end of LM3886T denotes its TO-220 package style, which has a metal tab for mounting to a heatsink. Proper heat dissipation is important when using this IC due to its power output.
