MAX9719BEUE+

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Max9719BEUE+ is a low power stereo amplifier IC which belongs to the linear amplifiers family. It is specially designed for audio signals applications, such as powering small speakers, headphone amplifiers and portable audio applications.

The amplifier provides high power efficiency, flexible power supply scheme and low harmonic distortion which allows it to be suitable for a wide variety of applications.

The core of this amplifier IC is the Direct Drive Class-D amplifier architecture that enables ultra low quiescent current, enhanced battery life and improved efficiency during operation. It has a wide power supply ranging from 2.7 to 5.5 V, making it suitable for low voltage applications. The amplifier also features high performance power stage, overcurrent shut-down protection and thermal overload, which provides robust and stable performance.

The amplifier has a stereo shared mode, which allows a single or dual 5V or 3V operation. It also includes individual volume control for each channel, allowing flexibility for the user. It is capable of delivering a peak output current of 1.25A and can drive loads up to 8 ohm. It also has a low harmonic distortion which is lower than 0.1% THD+N.

The Max9719BEUE+ is designed to be used with an external speaker and provides excellent acoustic quality. It has an input impedance of 20kOhms, a low output impedance of 0.1ohm, and an extended power bandwidth of 14-39KHz.

In addition, the Max9719BEUE+ also includes mute and shutdown functions. The Mute function reduces the output level to 0dB, suppressing the noise during channel switching. The Shutdown feature is used to reduce the power and thermal dissipation of the device.

The Max9719BEUE+ audio amplifier is ideal for applications such as portable audio players, TV sets, walkman, cellphones, and tablet PCs. This amplifier IC can be used in both professional and consumer audio systems, and it is also suitable for applications requiring low power operation.

Overall, the Max9719BEUE+ audio amplifier provides low power dissipation, high performance power stage, low noise and minimal harmonic distortion which make it ideal for audio applications.

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