Maxim Integrated MAX9755ETI+T Audio Amplifier

The MAX9755ETI+T from Maxim Integrated is a high-performance, low-power, Class D audio amplifier that provides a compact and efficient solution for driving speakers in a variety of applications. This advanced audio IC combines high-quality sound reproduction with energy-efficient operation, making it an ideal choice for portable and space-constrained audio systems.

Key Features:

• Output Power: The MAX9755ETI+T delivers up to 2.2W per channel into a 4Ω load, ensuring robust audio output for its size.
• High Efficiency: As a Class D amplifier, it offers greater than 90% efficiency, which translates to less heat generation and longer battery life in portable applications.
• Low EMI: The device is designed with spread-spectrum modulation, which reduces electromagnetic interference (EMI), making it suitable for sensitive RF and wireless environments.
• Click-and-Pop Suppression: The amplifier incorporates click-and-pop suppression circuits to minimize noise during turn-on and turn-off transitions.
• Thermal Protection: Built-in thermal overload protection ensures the device operates within safe temperature ranges, preventing damage from overheating.
• Flexible Mute Function: An easily accessible mute function allows for quick silencing of the output, which is useful in power-sensitive applications.

Applications:

The MAX9755ETI+T is versatile and can be used in a range of audio applications, including:

• Portable and mini speakers
• Mobile phones and PDAs
• Notebook computers
• Portable media players

Technical Specifications:

• Supply Voltage: 2.7V to 5.5V
• THD+N: 0.02% (typical)
• SNR: 95dB (typical)
• Package: 28-pin TQFN (5mm x 5mm)

With its excellent audio performance, high efficiency, and small footprint, the Maxim Integrated MAX9755ETI+T stands out as a superior choice for designers looking to enhance their audio systems without compromising on space or power consumption.