Texas Instruments

LM4668LD/NOPB

LM4668LD/NOPB Description

The LM4668LD/NOPB is a high-performance, mono, Class D audio amplifier from Texas Instruments, part of the renowned Boomer® series. This IC is designed to deliver a maximum output power of 10 watts into an 8-ohm load, making it suitable for a variety of audio applications. It operates within a supply voltage range of 9V to 14V, ensuring compatibility with a wide range of power supplies. The LM4668LD/NOPB is packaged in a surface-mount format, specifically in a Tape & Reel (TR) configuration, which is ideal for automated assembly processes. This product is RoHS3 compliant and unaffected by REACH regulations, ensuring environmental and regulatory compliance. Despite its obsolescence status, the LM4668LD/NOPB remains a reliable choice for applications requiring a compact, efficient, and high-power audio solution.

LM4668LD/NOPB Features

• High Output Power: Delivers up to 10 watts of output power into an 8-ohm load, providing robust audio performance.
• Efficient Class D Design: Utilizes Class D technology to achieve high efficiency and minimal heat dissipation, making it suitable for compact designs.
• Flexible Supply Voltage Range: Operates within a 9V to 14V supply voltage range, offering compatibility with various power sources.
• Surface-Mount Packaging: Available in a Tape & Reel (TR) package, facilitating easy integration into automated manufacturing processes.
• Environmental Compliance: RoHS3 compliant and REACH unaffected, ensuring adherence to environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 3 (168 hours), providing a balance between moisture protection and ease of handling.

LM4668LD/NOPB Applications

The LM4668LD/NOPB is ideal for applications requiring high-efficiency audio amplification in a compact form factor. Its 10W output power and Class D design make it suitable for:

• Portable Audio Devices: Ideal for battery-powered speakers, Bluetooth speakers, and other portable audio systems where efficiency and power density are critical.
• Consumer Electronics: Suitable for home theater systems, soundbars, and other consumer audio equipment that demand high performance in a small footprint.
• Automotive Audio Systems: Can be used in car audio applications where space constraints and efficiency are important considerations.
• Industrial Applications: Applicable in industrial settings where robust audio amplification is required without compromising on efficiency or size.

Conclusion of LM4668LD/NOPB

The LM4668LD/NOPB from Texas Instruments is a versatile and efficient Class D audio amplifier that offers high output power in a compact surface-mount package. Its 10W output capability and wide supply voltage range make it suitable for a variety of applications, from portable audio devices to automotive and industrial systems. Despite being marked as obsolete, the LM4668LD/NOPB remains a reliable choice for designers seeking a high-performance audio solution that is both environmentally compliant and easy to integrate into automated manufacturing processes.