Maxim Integrated MAX9700BETB+T Class D Audio Amplifier

The MAX9700BETB+T from Maxim Integrated is a high-efficiency, low-power Class D audio amplifier that offers a compact and energy-efficient solution for portable audio applications. This integrated circuit is designed to deliver high-quality sound with minimal power loss, making it an ideal choice for battery-powered devices such as mobile phones, tablets, and portable media players.

Key Features

• High Efficiency: The MAX9700BETB+T operates with up to 92% efficiency, which significantly reduces heat dissipation and extends battery life in portable applications.
• Output Power: It can deliver 2.2W into a 4Ω load or 1.1W into an 8Ω load, providing ample power for a wide range of audio devices.
• Low EMI: The device employs a spread-spectrum modulation scheme that reduces electromagnetic interference (EMI), making it easier to meet regulatory requirements without complex shielding.
• Click-and-Pop Suppression: The amplifier incorporates click-and-pop suppression circuitry to eliminate audible clicks and pops during startup and shutdown.
• Comprehensive Protection: It includes features such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation under various conditions.
• Flexible Power Supply: The MAX9700BETB+T operates from a single 2.7V to 5.5V power supply, accommodating a range of portable device power sources.

Compact and Versatile

With its small TQFN (Thin Quad Flat No-Lead) package, the MAX9700BETB+T occupies minimal board space, which is crucial for modern space-constrained electronic designs. Additionally, its simple external circuitry requirements allow for easy integration into various audio systems without the need for complex routing or additional components.

Applications

Thanks to its low power consumption and high output quality, the MAX9700BETB+T is well-suited for a variety of applications, including:

• Portable Audio Devices
• Mobile Phones and Smartphones
• Tablets and Laptops
• Bluetooth Speakers
• Personal Media Players
• GPS and Navigation Systems

Whether you're designing a new portable audio device or looking to improve the power efficiency of an existing product, the MAX9700BETB+T from Maxim Integrated offers a powerful, efficient, and versatile audio amplification solution.