Texas Instruments

LM386MM-1  

Audio Amplifiers

LM386MM-1 Description

The LM386MM-1 is a Class AB monolithic power amplifier designed for low voltage operation, making it ideal for a variety of audio applications. Manufactured by Texas Instruments, this linear IC chip offers a robust and efficient solution for driving speakers with a maximum output power of 325mW into an 8-ohm load. The LM386MM-1 operates within a supply voltage range of 4V to 12V, ensuring compatibility with a wide range of power supplies. It is housed in an 8VSSOP package, which is suitable for surface mount applications, providing a compact and reliable footprint for integration into various electronic systems.

LM386MM-1 Features

• Operating Temperature Range: The LM386MM-1 is designed to operate within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of environmental conditions.
• Output Power: It delivers a maximum output power of 325mW into an 8-ohm load, providing ample power for small to medium-sized audio applications.
• Supply Voltage: The amplifier operates efficiently within a supply voltage range of 4V to 12V, offering flexibility in power supply requirements.
• Mounting Type: The surface mount design allows for easy integration into compact and space-constrained designs.
• Class AB Operation: The LM386MM-1 operates in Class AB mode, which combines the benefits of high efficiency and low distortion, making it ideal for high-fidelity audio applications.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM386MM-1 is highly resistant to moisture, ensuring reliability in various manufacturing processes.
• Compliance: The LM386MM-1 is REACH unaffected, ensuring compliance with environmental regulations and making it suitable for global markets.

LM386MM-1 Applications

The LM386MM-1 is well-suited for a range of audio applications, including:

• Portable Audio Devices: Its low voltage operation and compact size make it ideal for battery-powered audio devices such as portable speakers and radios.
• Consumer Electronics: The amplifier can be used in a variety of consumer electronics, including televisions, soundbars, and other audio systems.
• Industrial Applications: The LM386MM-1 can be used in industrial settings where compact and reliable audio amplification is required, such as in intercom systems and alarm devices.
• Automotive: The robust design and wide operating temperature range make it suitable for automotive audio systems, where reliability and performance are critical.

Conclusion of LM386MM-1

The LM386MM-1 from Texas Instruments is a versatile and efficient Class AB power amplifier that offers a balance of performance and reliability. Its low voltage operation, compact surface mount package, and wide operating temperature range make it suitable for a variety of applications. Despite being marked as obsolete, the LM386MM-1 remains a valuable component for designers seeking a reliable and efficient audio amplification solution. Its compliance with environmental regulations and moisture resistance further enhance its appeal for modern electronic designs.

LM386MM-1 Documents

Download datasheets and manufacturer documentation for LM386MM-1

Datasheets :

LM386      

HTML Datasheet :

LM386