Texas Instruments

LM4901MMX/NOPB  

Audio Amplifiers

LM4901MMX/NOPB Description

The LM4901MMX/NOPB is a high-performance, Class AB monolithic audio power amplifier from Texas Instruments, designed to deliver exceptional audio quality and efficiency. This device is part of the renowned Boomer® series, known for its robustness and reliability in various audio applications. The LM4901MMX/NOPB is capable of delivering a maximum output power of 1.6W into a 4-ohm load, making it suitable for applications requiring high-fidelity audio output. It operates over a wide supply voltage range of 2V to 5.5V, providing flexibility in power supply design and ensuring compatibility with a variety of power sources.

The LM4901MMX/NOPB is housed in a 10-VSSOP surface mount package, which is ideal for compact designs and high-density PCB layouts. This package type also ensures excellent thermal performance and mechanical stability. The device is REACH unaffected and RoHS3 compliant, adhering to the highest environmental and safety standards in the electronics industry. Additionally, it is shipped in tape and reel (TR) packaging, facilitating automated assembly processes and ensuring ease of handling during manufacturing.

LM4901MMX/NOPB Features

The LM4901MMX/NOPB offers several unique features that set it apart from similar models in the market. Key features include:

• Depop and Shutdown: These features allow for efficient power management and reduced power consumption during non-operational periods. The depop function minimizes the popping and clicking sounds often associated with power-up and power-down cycles, enhancing the overall user experience.
• Wide Supply Voltage Range: The ability to operate from 2V to 5.5V ensures compatibility with a wide range of power sources, making it suitable for battery-powered devices and systems with varying voltage levels.
• High Output Power: Delivering 1.6W into a 4-ohm load, the LM4901MMX/NOPB provides sufficient power for high-fidelity audio applications, ensuring clear and dynamic sound reproduction.
• Surface Mount Technology: The 10-VSSOP package is designed for surface mount applications, enabling compact and high-density PCB designs. This is particularly beneficial for space-constrained applications and modern electronics where miniaturization is crucial.
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the LM4901MMX/NOPB meets the stringent environmental regulations, ensuring its suitability for global markets.

LM4901MMX/NOPB Applications

The LM4901MMX/NOPB is ideal for a wide range of audio applications where high-fidelity sound reproduction and efficient power management are critical. Specific use cases include:

• Portable Audio Devices: The wide supply voltage range and high output power make it suitable for battery-powered devices such as smartphones, tablets, and portable music players, where space and power efficiency are paramount.
• Home Audio Systems: The LM4901MMX/NOPB can be used in compact home audio systems, providing high-quality audio output without compromising on performance.
• Automotive Audio Systems: The robustness and reliability of the Boomer® series make it an ideal choice for automotive audio applications, where the device can withstand the harsh operating conditions of a vehicle environment.
• Professional Audio Equipment: The high-fidelity audio output and efficient power management features make it suitable for professional audio equipment, ensuring clear and dynamic sound reproduction in various settings.

Conclusion of LM4901MMX/NOPB

The LM4901MMX/NOPB from Texas Instruments is a versatile and high-performance Class AB audio power amplifier that offers a compelling combination of features and benefits. Its wide supply voltage range, high output power, and advanced power management features make it an ideal choice for a variety of audio applications. The device's compact surface mount package and environmental compliance further enhance its suitability for modern electronics. Whether used in portable devices, home audio systems, automotive applications, or professional audio equipment, the LM4901MMX/NOPB delivers exceptional performance and reliability, making it a standout choice in the audio amplifier market.

LM4901MMX/NOPB Documents

Download datasheets and manufacturer documentation for LM4901MMX/NOPB

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)      

Models :

LM4901MMX/NOPB Symbol & Footprint by SnapMagic