Texas Instruments

LM4863MT/NOPB  

Audio Amplifiers

LM4863MT/NOPB Description

The LM4863MT/NOPB is a high-performance, dual-channel Class AB audio power amplifier from Texas Instruments, part of the renowned Boomer® series. This amplifier is designed to deliver exceptional audio performance with a maximum output power of 3.2W per channel into a 3Ω load and 440mW per channel into an 8Ω load. It operates efficiently within a supply voltage range of 2V to 5.5V, making it suitable for a variety of power supply configurations.

The LM4863MT/NOPB is housed in a 20-TSSOP package, which is ideal for surface mount applications. This compact packaging ensures ease of integration into modern electronic designs while maintaining high reliability and performance. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, which enhances its durability and reliability in various environmental conditions.

LM4863MT/NOPB Features

The LM4863MT/NOPB offers several advanced features that enhance its performance and versatility:

• Depopulation (Depop) Feature: This feature minimizes the pop and click sounds often associated with power-up and power-down sequences, ensuring a smooth and noise-free audio experience.
• Shutdown Mode: The amplifier includes a shutdown mode that significantly reduces power consumption when not in use, making it ideal for battery-powered applications.
• Thermal Protection: Built-in thermal protection safeguards the device against overheating, ensuring reliable operation even under demanding conditions.

These features collectively provide robust performance, making the LM4863MT/NOPB a reliable choice for audio applications requiring high efficiency and low power consumption.

LM4863MT/NOPB Applications

The LM4863MT/NOPB is well-suited for a wide range of applications due to its high output power, low power consumption, and compact size. Some specific use cases include:

• Portable Audio Devices: Ideal for portable music players, smartphones, and tablets where high-quality audio output and low power consumption are critical.
• Home Entertainment Systems: Suitable for compact home theater systems and soundbars, providing powerful audio amplification without occupying much space.
• Automotive Audio Systems: The robust design and high output power make it suitable for car audio systems, ensuring clear and powerful sound even in challenging environments.
• Professional Audio Equipment: Can be used in professional audio mixers and portable PA systems where reliability and performance are paramount.

Conclusion of LM4863MT/NOPB

The LM4863MT/NOPB from Texas Instruments is a versatile and high-performance Class AB audio power amplifier. Its combination of high output power, low power consumption, and advanced features such as depopulation, shutdown mode, and thermal protection make it an excellent choice for a variety of audio applications. Despite being marked as obsolete, the LM4863MT/NOPB remains a reliable and efficient solution for designers seeking a compact and powerful audio amplifier. Its adherence to environmental standards and robust design ensure that it continues to meet the needs of modern electronic systems.

LM4863MT/NOPB Documents

Download datasheets and manufacturer documentation for LM4863MT/NOPB

Datasheets :

LM4863      

HTML Datasheet :

LM4863