Texas Instruments

LM4911LDX  

Audio Amplifiers

LM4911LDX Description

The LM4911LDX is a Class AB stereo audio amplifier from Texas Instruments, part of the renowned Boomer® series. This device is designed to deliver high performance in a compact form factor, making it ideal for a variety of consumer electronics applications. The LM4911LDX is capable of delivering a maximum output power of 145mW per channel into a 16Ω load, ensuring robust audio performance. It operates from a supply voltage range of 2V to 5.5V, providing flexibility in power supply options.

The LM4911LDX is housed in a 10-lead WSON package, which is suitable for surface-mount applications, making it easy to integrate into modern PCB designs. Despite being marked as obsolete, the LM4911LDX remains a reliable choice for designers looking for a proven audio. solution It is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations, and it has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a wide range of manufacturing environments.

LM4911LDX Features

The LM4911LDX offers several key features that enhance its performance and usability:

• Mute Functionality: The mute feature allows for seamless control over audio output, enabling designers to implement features such as volume fade-in and fade-out.
• Shutdown Mode: This mode significantly reduces power consumption, making the LM4911LDX suitable for battery-powered devices where power efficiency is critical.
• Thermal Protection: Built-in thermal protection ensures the device remains operational within safe temperature limits, enhancing reliability and longevity.
• Wide Supply Voltage Range: The ability to operate from 2V to 5.5V makes the LM4911LDX versatile and adaptable to various power supply configurations.
• Stereo Output: The dual-channel design supports stereo audio output, providing rich and immersive sound quality.

LM4911LDX Applications

The LM4911LDX is well-suited for a range of applications where high-quality audio output is required. Some specific use cases include:

• Portable Audio Devices: The compact size and low power consumption make it ideal for portable music players, smartphones, and tablets.
• Consumer Electronics: Suitable for applications such as smart speakers, home theater systems, and other audio equipment where space is limited.
• Automotive Infotainment Systems: The robust performance and thermal protection make it a reliable choice for in-car entertainment systems.
• Industrial Applications: The device can be used in industrial control panels and monitoring systems where audio feedback is necessary.

Conclusion of LM4911LDX

The LM4911LDX from Texas Instruments is a versatile and reliable Class AB stereo audio amplifier, offering a balance of performance and efficiency. Its unique features, such as mute functionality, shutdown mode, and thermal protection, provide designers with the tools needed to create high-quality audio solutions. While marked as obsolete, the LM4911LDX remains a solid choice for applications requiring a compact, high-performance audio amplifier. Its compliance with environmental regulations and suitability for surface-mount assembly further enhance its appeal in modern electronics design.

LM4911LDX Documents

Download datasheets and manufacturer documentation for LM4911LDX

Datasheets :

LM4911      

HTML Datasheet :

LM4911