MAX9895AETL+

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MAX9895AETL+ is an amplifier integrated circuit from Maxim Integrated Products family. This IC is a high-performance, low-noise amplifier designed for maximum output power of +25dBm into a 32Ωor 16Ω headphones. It is designed to provide high power and low distortion audio performance across a wide variety of audio components. Its main application field is in consumer electronics and audio equipment. This article aims to discuss the working principle of MAX9895AETL+, as well as the applications areas it can be used in.

The working principle of MAX9895AETL+ is based on a two-stage amplifier system. The first stage is a differential input stage which is powered by an external supply of up to 6V. This stage amplifies the input signal and reduces noise by using differential inputs, output impedance regulation and a low-noise feedback network. The second stage is a single-ended output stage that further amplifies the input signal using a high-efficiency Class-D amplifier.

MAX9895AETL+ is optimized for low-power, low-distortion audio performance across a wide range of audio components. It features a low distortion level of 0.04%, high output power of +25 dBm and a low THD+N. It is also capable of driving very high capacitive loads of up to 100nF. Additionally, the device provides a very low output impedance below 1Ω, allowing it to drive very low resistance headphones directly. It also features a thermal shutdown protection, making it suitable for high-temperature applications. The device is designed in a low-profile, thermally-enhanced QFN20 package.

MAX9895AETL+ can be used in a wide range of audio components and consumer electronics applications, such as portable media players, portable speakers, headphones, computers, tablets and smart phones. It can also be used for automotive head units, multimedia systems and other audio applications that require high-performance, low-noise audio amplification.

In conclusion, MAX9895AETL+ is a high-performance, low-noise amplifier designed to provide high power and low distortion audio performance across a wide range of audio components. Its main application field is in consumer electronics and audio equipment where it can be used for a variety of applications. It features a low distortion level of 0.04%, high output power of +25 dBm and a low THD+N, allowing it to drive a wide range of headphones and other audio components. Additionally, the device provides a very low output impedance below 1Ω, making it suitable for low resistance headphone applications. The device is designed in a low-profile, thermally-enhanced QFN20 package, making it suitable for use in high-temperature applications.

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