Texas Instruments

LM386N-1

LM386N-1 Description

The LM386N-1 is a monolithic power amplifier designed specifically for low voltage operation, making it ideal for a wide range of audio applications. Manufactured by Texas Instruments, this Class AB amplifier is known for its robust performance and versatility. It operates within a temperature range of 0°C to 70°C (TA), ensuring reliable performance in various environmental conditions. The LM386N-1 is capable of delivering a maximum output power of 325mW into an 8-ohm load, providing sufficient power for many audio systems.

This amplifier is designed to operate with a supply voltage ranging from 4V to 12V, offering flexibility in power supply options. The LM386N-1 features a through-hole mounting type, which is advantageous for applications requiring high reliability and ease of installation. It is housed in a tube package, further enhancing its durability and ease of handling during assembly processes.

LM386N-1 Features

• Operating Temperature: 0°C to 70°C (TA), ensuring stable performance across a wide range of ambient temperatures.
• Max Output Power: 325mW into an 8-ohm load, providing ample power for small to medium-sized audio systems.
• ECCN: EAR99, indicating compliance with export regulations.
• Mounting Type: Through-hole, offering robust mechanical stability and ease of integration into various circuit designs.
• Product Status: Obsolete, but still widely used and supported due to its reliability and performance.
• Type: Class AB, which combines the benefits of Class A and Class B amplifiers, offering high efficiency and low distortion.
• Voltage - Supply: 4V to 12V, providing flexibility in power supply options and compatibility with a variety of power sources.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• HTSUS: 8542.33.0001, facilitating accurate tariff classification for international trade.
• Package: Tube, enhancing durability and ease of handling.
• Base Product Number: LM386, a well-known and widely adopted base model.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no special handling requirements for moisture sensitivity.

LM386N-1 Applications

The LM386N-1 is particularly well-suited for applications where low voltage operation and moderate power output are required. Its Class AB design ensures high efficiency and low distortion, making it ideal for audio systems where sound quality is paramount. Some specific use cases include:

• Portable Audio Devices: The LM386N-1's low voltage operation and compact design make it suitable for battery-powered audio devices, such as portable speakers and radios.
• Automotive Audio Systems: Its robust performance and wide operating temperature range make it a reliable choice for in-car audio applications.
• Consumer Electronics: Ideal for use in small to medium-sized audio systems, such as tabletop radios, alarm clocks, and other consumer electronics requiring high-quality audio output.
• Industrial Applications: The through-hole mounting and tube packaging ensure durability and reliability in industrial environments where robustness is crucial.

Conclusion of LM386N-1

The LM386N-1 from Texas Instruments is a versatile and reliable audio amplifier that offers a balance of power, efficiency, and sound quality. Its Class AB design ensures low distortion and high efficiency, making it suitable for a wide range of audio applications. The LM386N-1's low voltage operation and moderate power output make it an ideal choice for portable and consumer audio devices, as well as automotive and industrial applications. Despite being marked as obsolete, its continued use and support highlight its enduring value in the electronics industry.