The MAX9713E from Maxim Integrated is a high-efficiency, Class D audio amplifier that provides a compact and energy-efficient solution for portable audio applications. This integrated circuit is designed to deliver high-quality sound reproduction with minimal power loss, making it an ideal choice for battery-powered devices such as smartphones, tablets, and portable media players.
Key Features
- Output Power: The MAX9713E can deliver up to 2.4W per channel into a 4Ω load or 1.4W per channel into an 8Ω load, making it versatile for different speaker configurations.
- High Efficiency: With its Class D operation, it offers greater than 90% efficiency, reducing heat dissipation and extending battery life in portable applications.
- Low EMI: The device is engineered to produce low electromagnetic interference (EMI), which is crucial for maintaining the integrity of nearby sensitive RF and digital circuits.
- Integrated Protection: The MAX9713E comes with built-in features such as over-temperature protection, under-voltage lockout, and click-and-pop suppression to ensure reliable operation and prevent damage to the amplifier or speakers.
- Flexible Supply Voltage: It operates over a wide supply voltage range from 2.7V to 5.5V, accommodating various power sources and system requirements.
Applications
- Portable and wireless speakers
- Mobile phones and tablets
- Portable media players
- Notebook computers
The MAX9713E is available in a compact, 20-pin TQFN package, which is ideal for space-constrained applications. Its pin-compatible family members allow for easy scalability and design flexibility. With its combination of high output power, efficiency, and integrated features, the MAX9713E stands out as a robust audio solution for designers looking to enhance the user experience with superior sound quality in portable devices.
