Texas Instruments

LM4911MM/NOPB  

Audio Amplifiers

LM4911MM/NOPB Description

The LM4911MM/NOPB is a high-performance, stereo Class AB audio amplifier from Texas Instruments, part of the renowned Boomer® series. This amplifier is designed to deliver exceptional audio quality with a maximum output power of 145mW per channel into a 16Ω load, making it ideal for applications requiring high fidelity sound. The LM4911MM/NOPB operates within a supply voltage range of 2V to 5.5V, ensuring compatibility with a wide range of power sources.

The LM4911MM/NOPB features a surface mount package, specifically the 10-VSSOP, which is ideal for compact and space-constrained designs. This package type also facilitates easy integration into modern printed circuit boards. The amplifier includes several advanced features such as mute, shutdown, and thermal protection, ensuring reliable operation and ease of use in various applications.

LM4911MM/NOPB Features

• High Output Power: Delivers 145mW per channel into a 16Ω load, providing robust performance for demanding audio applications.
• Wide Supply Voltage Range: Operates efficiently within a 2V to 5.5V supply voltage range, offering flexibility in power supply design.
• Class AB Topology: Ensures high efficiency and low distortion, delivering clear and dynamic audio output.
• Advanced Features: Includes mute and shutdown functions for power management and thermal protection to safeguard the amplifier from overheating.
• Compliance and Packaging: The LM4911MM/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is available in a tape & reel (TR) package, facilitating automated assembly processes.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating the device is not moisture sensitive, which is beneficial for manufacturing processes.

LM4911MM/NOPB Applications

The LM4911MM/NOPB is well-suited for a variety of applications where high-quality audio output is essential. Its compact size and high performance make it ideal for portable audio devices, such as smartphones, tablets, and portable media players. Additionally, it is suitable for automotive audio systems, where space is limited but audio quality is critical.

The amplifier's wide supply voltage range and efficient power management features make it a perfect fit for battery-powered devices, ensuring long battery life without compromising audio performance. The thermal protection and robust design also make it suitable for professional audio equipment and consumer electronics that require reliable and consistent operation.

Conclusion of LM4911MM/NOPB

The LM4911MM/NOPB stands out in the market due to its combination of high output power, wide supply voltage range, and advanced features. Its Class AB design ensures high efficiency and low distortion, delivering superior audio quality. The inclusion of mute, shutdown, and thermal protection functions enhances its reliability and versatility, making it a preferred choice for designers of portable and space-constrained audio systems.

With its REACH unaffected and RoHS3 compliant status, the LM4911MM/NOPB also meets the stringent environmental standards of the electronics industry. Its moisture sensitivity level of 1 (Unlimited) further adds to its robustness during manufacturing processes. Overall, the LM4911MM/NOPB is a reliable and high-performance audio amplifier that offers significant advantages over similar models, making it an excellent choice for a wide range of audio applications.

LM4911MM/NOPB Documents

Download datasheets and manufacturer documentation for LM4911MM/NOPB

Datasheets :

LM4911      

HTML Datasheet :

LM4911      

PCN Design/Specification :

Copper Wire Update 14/May/2015