MAX9757ETJ+T

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The MAX9757ETJ+T is an audio amplifier that is a part of the Linear - Amplifiers - Audio family. It is a flexible, low power amplifier specifically designed for driving small speakers and headsets. This amplifier is capable of providing high output power while still remaining efficient. Its unique features make it a great choice for consumer electronics applications.

The MAX9757ETJ+T is a high performance audio power amplifier which features high power output and low power consumption. The output power of this amplifier is up to 2.6 Watts into 8 ohms and 4.2 Watts into 4 ohms. The total harmonic distortion is less than 0.05% at 1kHz, and the signal-to-noise ratio is greater than 90dB. This amplifier is designed for stereo use and has an adjustable gain, allowing for easy system configuration and optimization.

The MAX9757ETJ+T operates from a single 5V supply, making it an ideal choice for battery-powered applications. Its low quiescent current of 4.5mA makes this amplifier even more attractive for portable devices, allowing for long battery life. It is equipped with thermal overload protection and short-circuit protection circuitry to ensure system reliability. The amplifier is available in a small, 4mm x 4mm, 24-pin QFN package, simplifying the design-in process and saving valuable board space.

The working principle of the MAX9757ETJ+T is based on the boost voltage error amplifier and gain stage. The boost voltage error amplifier senses the output voltage and regulates the voltage level. The gain stage increases the signal level to the output power stage. The power stage then amplifies the signal and delivers the regulated output power. This amplifier features adjustable gain control, allowing users to configure the gain to the desired level. The power output is adjustable with an external potentiometer, allowing for system scalability and optimization.

The MAX9757ETJ+T is an ideal solution for small-scale audio applications such as alarm systems, hearing aids, audio players, and portable speakers. Its ability to deliver high output power with low power consumption makes it a great choice for consumer electronics. The adjustable gain control and output power adjustment, along with the integrated protection circuitry make it an excellent choice for portable audio applications.

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