The MAX9705DETB+ is a high-efficiency, Class D audio amplifier from Maxim Integrated, designed to deliver premium sound quality with minimal power consumption. This component is ideal for a wide range of applications, including portable audio devices, smartphones, tablets, and other devices where space and power efficiency are critical.

Key Features

• Output Power: Capable of delivering up to 2.3W per channel into a 4Ω load, ensuring robust audio performance for its size.
• High Efficiency: Class D operation provides over 90% efficiency, which significantly reduces heat dissipation and prolongs battery life in portable applications.
• Low EMI: Spread-spectrum modulation and a filterless output reduce electromagnetic interference, simplifying system design and compliance with RF regulations.
• Flexible Power Supply: Operates from a single 2.7V to 5.5V supply, accommodating a variety of power sources and system requirements.
• Comprehensive Protection: Features include over-temperature protection, under-voltage lockout, and click-and-pop suppression, ensuring reliable operation and longevity.
• Small Form Factor: Available in a tiny 16-pin TQFN package, making it an excellent choice for space-constrained applications.

Applications

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

Technical Specifications

Parameter Value Part Number MAX9705DETB+ Output Power (per channel) 2.3W (into 4Ω) Supply Voltage 2.7V to 5.5V Package 16-pin TQFN THD+N 0.1% (typical) Efficiency >90%

With its combination of high efficiency, compact size, and robust audio performance, the MAX9705DETB+ from Maxim Integrated is an excellent audio amplification solution for your next compact and power-sensitive project.