MAX98300EWL+T

The MAX98300EWL+T is a stereo, 56mW, Class D audio amplifier with integrated filter and boost controller. The device offers high efficiency and wide supply-voltage range (2.5V to 5.5V) ideal for portable applications. It is optimized for 8Ω loads and provides excellent THD+N and PSRR performance. It also features a built-in boost controller that enables dynamic power control and output power up to over 1.03W with a 5V supply and 8Ω BTL load.

Application Field

The MAX98300EWL+T audio amplifier can be used in a variety of audio applications, ranging from basic personal audio applications to high-fidelity audio systems, depending on the device’s features and specifications.

• Battery-powered personal audio devices
• Portable media players and laptops
• Mobile phones and tablets
• Home theaters and multimedia systems

Working Principle

The MAX98300EWL+T audio amplifier utilizes a stereo Class D architecture that combines low power consumption, high efficiency, and superior audio performance. It has a high-efficiency pulsewidth modulation (PWM) system that reduces the quiescent current and switching noise, while still providing reliable and nearly distortionless audio output.

The amplifier also includes a built-in boost converter that allows the output power to increase with a 5V supply and an 8Ω BTL load. Additionally, the device has flexibility in switching and control modes allowing it to be used in a variety of applications. It also features Active Mode Loss Prevention (AMLP) to reduce power consumption in automatic gain control (AGC) and other audio boost applications.

Conclusion

The MAX98300EWL+T is an audio amplifier optimized for portable audio applications. It combines low power consumption and high efficiency and utilizes a stereo Class D architecture for superior audio performance. The device also features a built-in boost converter for increased output power, flexibility in switching and control modes, and AMLP for decreased power consumption. Thanks to its features, the MAX98300EWL+T can be used in a variety of audio applications ranging from basic personal audio to high-fidelity audio systems.