The MAX9730ET+ from Maxim Integrated is a cutting-edge audio power amplifier that delivers high-quality sound amplification with exceptional efficiency. This mono 2.5-watt Class G amplifier is designed to provide mobile phones, portable media players, and other handheld devices with a robust audio output while minimizing power consumption.

Key Features and Benefits

• High Efficiency: The Class G architecture allows the MAX9730ET+ to achieve high efficiency over a wide range of output power, which is vital for battery-powered applications where extended playtime is crucial.
• Output Power: It delivers 2.5W into a 4Ω load with less than 1% THD+N, ensuring loud and clear sound without compromising audio fidelity.
• Low Quiescent Current: Its low quiescent current helps preserve battery life when the amplifier is on but not actively driving a speaker.
• Wide Supply Voltage Range: The device operates over a 2.7V to 5.5V supply voltage range, making it versatile for various power supply configurations.
• Integrated Click-and-Pop Suppression: This feature minimizes the audible clicks and pops during power-up and shutdown, providing a smoother user experience.
• Thermal and Short-Circuit Protection: These built-in safety features protect the device from damage due to overheating or output shorts.

Applications

The MAX9730ET+ is ideal for a range of portable audio applications, including:

• Mobile Phones
• Portable Media Players
• Handheld Gaming Consoles
• GPS Units
• Portable Speakers

Package and Availability

The amplifier comes in a compact 16-pin TQFN package with an exposed pad. This small footprint makes it particularly suitable for space-constrained applications. The MAX9730ET+ is available for purchase from Maxim Integrated and its authorized distributors, ensuring easy integration into your next audio design project.