Texas Instruments

LM4668MH/NOPB

LM4668MH/NOPB Description

The LM4668MH/NOPB is a high-performance, Class D mono audio amplifier from Texas Instruments, designed to deliver exceptional audio quality in compact and efficient systems. This amplifier is part of the renowned Boomer® series, known for its reliability and innovation in audio solutions. The LM4668MH/NOPB is capable of delivering a maximum output power of 10 watts into an 8-ohm load, making it ideal for applications requiring high-fidelity audio output with minimal power consumption.

Key specifications include a supply voltage range of 9V to 14V, ensuring compatibility with a variety of power sources. The amplifier is housed in a surface-mount package, specifically a tube, which facilitates easy integration into modern electronic designs. The LM4668MH/NOPB is also compliant with REACH and ROHS3 standards, ensuring environmental sustainability and regulatory compliance. Additionally, it has a moisture sensitivity level (MSL) of 1, indicating unlimited storage conditions without the need for special handling.

LM4668MH/NOPB Features

The LM4668MH/NOPB offers several unique features that set it apart from similar models in the market-:

High Efficiency: As a Class D amplifier, the LM4668MH/NOPB achieves high efficiency, converting a significant portion of the input power into audio output, thereby reducing power loss and heat generation.

• Low Distortion: The design ensures minimal distortion, providing clear and accurate audio reproduction.
• Wide Supply Voltage Range: The 9V to 14V supply voltage range allows for flexibility in power source selection, making it suitable for a variety of applications.
• Surface-Mount Technology: The surface-mount package is ideal for modern, space-constrained designs, enabling compact and efficient PCB layouts.
• Environmental Compliance: Compliance with REACH and ROHS3 standards ensures that the LM4668MH/NOPB meets the highest environmental and regulatory standards.
• Moisture Sensitivity Level 1: The MSL 1 rating means the amplifier can be stored and handled without the need for moisture-sensitive precautions, simplifying manufacturing processes.

LM4668MH/NOPB Applications

The LM4668MH/NOPB is well-suited for a range of applications where high-fidelity audio output and compact design are critical:

• Consumer Electronics: Ideal for portable audio devices, such as Bluetooth speakers, smart speakers, and compact home audio systems.
• Automotive: Suitable for car audio systems, where space is limited, and high efficiency is required to minimize power draw from the vehicle's electrical system.
• Professional Audio: Can be used in professional audio equipment, such as powered speakers and small PA systems, where high-quality audio reproduction is essential.
• Industrial: Applicable in industrial settings where robust, reliable audio amplification is needed, such as in intercom systems or alarm devices.

Conclusion of LM4668MH/NOPB

The LM4668MH/NOPB from Texas Instruments is a versatile and high-performance Class D mono audio amplifier that delivers outstanding audio quality in a compact and efficient package. Its wide supply voltage range, low distortion, and high efficiency make it an excellent choice for a variety of applications, from consumer electronics to professional audio systems. The surface-mount package and environmental compliance further enhance its appeal, making it a reliable and sustainable solution for modern audio designs. Despite its obsolete status, the LM4668MH/NOPB remains a valuable option for engineers and designers seeking a proven, high-quality audio amplifier solution.