The LM386 is a popular low-voltage audio power amplifier IC designed by Texas Instruments. It is widely used in small audio amplification applications due to its simplicity, low cost, and ease of use. The LM386 is ideal for battery-powered devices such as radios, intercoms, portable speakers, and small audio projects.
Features:
Minimum external parts
Ground referenced input
Low distortion
Battery operation
Voltage gains from 20 to 200
Available in 8 pin MSOP package
Low quiescent current drain: 4 mA
Self-centering output quiescent voltage
Wide supply voltage range: 4V–12V or 5V–18V
Applications:
- AM-FM radio amplifiers
- Intercoms
- TV sound systems
- Portable tape player amplifiers
- Line drivers
- Ultrasonic drivers
- Small servo drivers
- Power converters