Texas Instruments

LM386N-3/NOPB

The LM386N-3/NOPB is a low-voltage audio power amplifier (IC) manufactured by Texas Instruments. It is designed for use in a variety of applications that require audio amplification, such as portable audio systems, intercoms, and low-power public address systems.

Description:

The LM386N-3/NOPB is a monolithic IC that can operate from a single supply voltage as low as 4.5V or as high as 12V. It features a rail-to-rail output swing, which allows it to deliver output signals that are very close to the power supply voltage. This makes it well-suited for use in applications where space is at a premium.

Features:

• Low-voltage operation: The LM386N-3/NOPB can operate from a single supply voltage as low as 4.5V.
• Rail-to-rail output swing: The IC can deliver output signals that are very close to the power supply voltage.
• Wide supply voltage range: The LM386N-3/NOPB can operate from a supply voltage as low as 4.5V or as high as 12V.
• High output power: The IC can deliver up to 1.5W of output power into an 8 ohm load.
• Low distortion: The LM386N-3/NOPB features a low distortion of less than 0.5%.
• High input impedance: The IC has a high input impedance of over 100k ohms, which makes it easy to drive with a variety of input sources.
• Thermal protection: The LM386N-3/NOPB features thermal shutdown protection to prevent damage in the event of overheating.

Applications:

The LM386N-3/NOPB is suitable for a wide range of audio amplification applications, including:

• Portable audio systems
• Intercoms
• Low-power public address systems
• Audio mixers and recorders
• Small home stereo systems
• Battery-powered audio devices
• DIY audio projects

Overall, the LM386N-3/NOPB is a versatile and cost-effective audio power amplifier IC that is well-suited for a wide range of applications. Its low-voltage operation, rail-to-rail output swing, and high output power make it an excellent choice for many audio amplification needs.