Texas Instruments

LM4916MM/NOPB  

Audio Amplifiers

LM4916MM/NOPB Description

The LM4916MM/NOPB is a high-performance, low-power Class AB audio amplifier from Texas Instruments, designed to deliver exceptional audio quality with minimal power consumption. This mono amplifier is part of the renowned Boomer® series, known for its reliability and efficiency in various audio applications. The LM4916MM/NOPB is optimized for surface mount technology, making it ideal for compact and space-constrained designs. It operates within a supply voltage range of 900mV to 2.5V, ensuring compatibility with a wide range of power sources.

LM4916MM/NOPB Features

The LM4916MM/NOPB boasts several advanced features that enhance its performance and versatility:

• Depop: Reduces unwanted pops and clicks during power-up and power-down, ensuring a smooth and pleasant audio experience.
• Mute: Allows the user to disable the audio output without turning off the device, which is useful for applications requiring temporary silence.
• Shutdown: Provides a low-power standby mode, significantly reducing power consumption when the amplifier is not in use.
• Thermal Protection: Automatically shuts down the amplifier if it reaches a critical temperature, protecting the device from damage and ensuring long-term reliability.

These features make the LM4916MM/NOPB a robust and user-friendly solution for various audio applications. Additionally, it offers a maximum output power of 85mW at an 8-ohm load, making it suitable for driving small speakers or headphones. The amplifier also supports dual-channel operation, delivering 14mW per channel at a 16-ohm load, providing flexibility in multi-channel audio designs.

LM4916MM/NOPB Applications

The LM4916MM/NOPB is well-suited for a variety of applications where high audio quality and low power consumption are critical. Its compact size and surface mount package make it ideal for portable devices, such as:

• Portable Audio Devices: MP3 players, smartphones, and tablets benefit from the LM4916MM/NOPB's low power consumption and high audio performance.
• Wearable Technology: Smartwatches and fitness trackers can leverage the amplifier's small form factor and efficient power usage.
• Medical Devices: Hearing aids and other medical equipment requiring precise audio output can benefit from the LM4916MM/NOPB's reliability and low power draw.
• Consumer Electronics: Compact speakers, Bluetooth audio devices, and other consumer electronics can take advantage of the amplifier's high performance and flexibility.

Conclusion of LM4916MM/NOPB

The LM4916MM/NOPB stands out as a versatile and efficient Class AB audio amplifier, offering a perfect blend of high performance and low power consumption. Its advanced features, such as depop, mute, shutdown, and thermal protection, make it a reliable choice for a wide range of applications. The amplifier's ability to deliver 85mW at an 8-ohm load and 14mW per channel at a 16-ohm load ensures it can handle various audio output requirements. With its compact surface mount package and compatibility with a wide range of supply voltages, the LM4916MM/NOPB is an excellent solution for designers looking to integrate high-quality audio into their products.

LM4916MM/NOPB Documents

Download datasheets and manufacturer documentation for LM4916MM/NOPB

Datasheets :

LM4916      

HTML Datasheet :

LM4916      

PCN Design/Specification :

Copper Wire Update 14/May/2015