Texas Instruments

LM4665LD/NOPB  

Audio Amplifiers

LM4665LD/NOPB Description

The LM4665LD/NOPB is a mono Class AB audio amplifier from Texas Instruments, part of the renowned Boomer® series. This device is designed to deliver high performance in a compact and efficient package, making it ideal for a variety of audio applications. The LM4665LD/NOPB features a maximum output power of 1.4W into an 8-ohm load, ensuring robust audio output with minimal distortion. It operates over a wide supply voltage range of 2.7V to 5.5V, providing flexibility in power supply requirements.

This amplifier is housed in a 10-pin WSON package, which is both space-efficient and thermally enhanced, making it suitable for surface mount applications. The device is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. The LM4665LD/NOPB is available in a tape and reel (TR) package, facilitating easy handling and integration into automated assembly processes.

LM4665LD/NOPB Features

• High Output Power: Delivers up to 1.4W into an 8-ohm load, ensuring powerful audio output.
• Wide Supply Voltage Range: Operates from 2.7V to 5.5V, providing flexibility in power supply options.
• Efficient Class AB Design: Combines high efficiency with low distortion, ensuring high-quality audio performance.
• Compact Surface Mount Package: The 10-pin WSON package is ideal for space-constrained applications.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards.
• Moisture Sensitivity Level 3: Suitable for a wide range of manufacturing environments, with a 168-hour rating.

LM4665LD/NOPB Applications

The LM4665LD/NOPB is well-suited for a variety of applications where high-quality audio output is required. Its compact size and efficient design make it ideal for portable audio devices, such as smartphones, tablets, and portable media players. The wide supply voltage range and high output power also make it suitable for automotive audio systems, where power supply conditions can vary widely.

In addition to consumer electronics, the LM4665LD/NOPB can be used in professional audio equipment, such as mixing consoles and studio monitors, where high-fidelity audio is critical. Its robust performance and compliance with environmental standards make it a reliable choice for both commercial and industrial applications.

Conclusion of LM4665LD/NOPB

The LM4665LD/NOPB from Texas Instruments is a versatile and high-performance mono Class AB audio amplifier. Its combination of high output power, wide supply voltage range, and compact surface mount package make it an excellent choice for a variety of audio applications. The device's compliance with REACH and RoHS3 standards ensures it meets the highest environmental and safety requirements.

While the LM4665LD/NOPB is now obsolete, it remains a testament to the quality and innovation of Texas Instruments' audio amplifier solutions. For new designs, engineers may consider exploring the latest offerings from Texas Instruments' extensive portfolio of audio amplifiers, which continue to push the boundaries of performance and efficiency.

LM4665LD/NOPB Documents

Download datasheets and manufacturer documentation for LM4665LD/NOPB