MAX9890AEBL+

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Audio Special Purpose

The MAX9890AEBL+ is a special purpose audio amplifier designed to meet the requirements of the most demanding audio applications. It is designed to provide the highest performance and reliability, while maintaining excellent power and efficiency. The MAX9890AEBL+ is a high-performance, low-power, low-cost solution for audio applications. It is designed to be flexible, allowing for the design of simple or complex audio systems with excellent performance.

The MAX9890AEBL+ provides a complete audio amplifier solution in one package. It includes an integrated power amplifier, audio processing, and control and monitoring functions. The MAX9890AEBL+ is a full-featured amplifier that offers a wide range of features, including multi-channel configurations, adjustable gain, flexible equalization, and monaural and stereo outputs. The amplifier can be tailored to the specific needs of the application, allowing for the design of an optimized and efficient audio solution.

The MAX9890AEBL+ provides excellent audio performance in a variety of applications. It is suitable for use in home theater systems, gaming systems, and professional audio systems. It can also be used in automotive audio applications such as car audio systems and in-dash car audio decks. Additionally, the MAX9890AEBL+ can be used to power outdoor speakers, portable audio devices, and other mobile devices.

Working Principle

The MAX9890AEBL+ operates on a Class-H circuit, which is an efficient way of amplifying audio signals. It works by “switching” the output voltage between a high voltage level (H) and a low voltage level (L) in accordance to the input audio signal. In Class-H amplifiers, the output power is not always at its maximum due to the switching, resulting in less power consumption and higher efficiency.

When an audio signal is applied to the MAX9890AEBL+, the signal is first preamplified. This is done to boost the signal before it is applied to the Class-H amplifier. The preamplified signal is then fed to the Class-H amplifier, where it is amplified. The output of the Class-H amplifier is then routed through a low-pass filter and a post-filter, which provide additional filtering of the output signal.

The output of the MAX9890AEBL+ can be optimized for different audio applications using an on-board DSP processor. This allows for the design of customized equalization and limiting for different audio systems. Additionally, the amplifier is protected against thermal, overcurrent and overvoltage conditions, ensuring reliable operation even in the harshest of environments.

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