Texas Instruments

LM4888SQ/NOPB  

Audio Amplifiers

LM4888SQ/NOPB Description

The LM4888SQ/NOPB is a high-performance Class AB stereo audio amplifier from Texas Instruments, designed to deliver exceptional audio quality and robust performance in a compact form factor. This amplifier is part of the Boomer® series, known for its reliability and efficiency in various audio applications.

Technical Specifications:

• Output Power: The LM4888SQ/NOPB can deliver a maximum output power of 3W per channel into a 3Ω load, making it suitable for driving low-impedance speakers. Additionally, it provides 90mW per channel into a 32Ω load, ideal for applications requiring high impedance headphone support.
• Supply Voltage: It operates within a wide supply voltage range of 2.7V to 5.5V, ensuring compatibility with a variety of power sources and systems.
• Mounting Type: The surface mount design allows for easy integration into compact and space-constrained devices, enhancing the flexibility of its application.
• Package: Available in a Tape & Reel (TR) package, it is suitable for automated assembly processes, ensuring efficient manufacturing and scalability.
• Compliance: The LM4888SQ/NOPB is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and regulatory standards.

LM4888SQ/NOPB Features

Unique Features and Advantages:

• 3D Audio: The LM4888SQ/NOPB supports 3D audio capabilities, enhancing the immersive experience for users in applications such as gaming consoles, virtual reality headsets, and high-end multimedia devices.
• Depop and Shutdown: These features ensure minimal noise during power-up and power-down cycles, reducing audible clicks and pops, and improving overall system reliability.
• Thermal Protection: Built-in thermal protection safeguards the amplifier from overheating, ensuring long-term stability and performance even under demanding conditions.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the LM4888SQ/NOPB is highly resistant to moisture, making it suitable for applications in humid or challenging environments.

LM4888SQ/NOPB Applications

Ideal Use Cases:

• Consumer Electronics: The LM4888SQ/NOPB is well-suited for consumer electronics such as smartphones, tablets, and portable media players, where high-quality audio output and compact design are critical.
• Audio Systems: It can be used in home and car audio systems, providing clear and powerful sound reproduction.
• Professional Audio Equipment: The amplifier's robust performance and high output power make it suitable for professional audio applications, including studio monitors and live sound reinforcement systems.
• Industrial Applications: The LM4888SQ/NOPB can also be employed in industrial settings where reliable audio amplification is required, such as in communication systems and industrial control panels.

Conclusion of LM4888SQ/NOPB

The LM4888SQ/NOPB from Texas Instruments is a versatile and high-performance Class AB stereo audio amplifier that offers a range of advanced features and benefits. Its ability to deliver high output power, support for 3D audio, and robust thermal protection make it an ideal choice for a variety of applications. Despite its obsolete status, the LM4888SQ/NOPB remains a reliable and efficient solution for audio amplification needs, ensuring excellent performance and user satisfaction in any system it is integrated into.

LM4888SQ/NOPB Documents

Download datasheets and manufacturer documentation for LM4888SQ/NOPB