TFA9895BUK/N1Z

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The TFA9895BUK/N1Z is an audio linear amplifier that utilizes an integrated circuit (IC) from Intersil Corporation. It is specifically designed for audio applications, such as audio power amplifiers, car audio amplifiers, and sound stages. The device consists of a high voltage, low noise, class-AB output stage, integrated with all the necessary functions to deliver a high quality, low-distortion sound.

The TFA9895BUK/N1Z is a high-performance audio amplifier featuring a high-voltage output stage with minimal distortion and wide dynamic range. It has a maximum continuous output power of 80 watts per channel into 8-ohm loads and 100 watts per channel into 4-ohm loads. The device has an input voltage of 5V and an operating supply voltage range of 4.3V to 18V.

The amplifier utilizes an integrated N-channel MOSFET amplifier stage which offers low distortion performance. The full-bridge configuration of the TFA9895BUK/N1Z allows for a wide range of loads such as loudspeakers and loads with changing impedance. The device also has an integrated low-pass filter, allowing for better performance of low-frequency signals. The device is also designed with short-circuit protection, frequency compensation, and thermal shutdown.

The working principle of the TFA9895BUK/N1Z is that the input signal is amplified by the N-channel MOSFET amplifier stage. This is then fed through the low-pass filter, which restricts any out-of-band frequencies, resulting in a clean output. The output then passes through the full-bridge configuration, amplifying the voltage and current levels. This is followed by frequency compensation, which controls and optimizes the amplifier\'s dynamic response and ensures stable operation, even at high frequencies. Finally, the audio signal is delivered to the output device such as a speaker or headphone jack.

The TFA9895BUK/N1Z is an excellent audio amplifier suitable for a wide variety of applications. Its low distortion and wide dynamic range, along with its simplified design, make it an ideal choice for audio systems in cars, home audio, and sound stages. Additionally, the device is protected from short circuits and temperature fluctuations, making it an ideal choice for powering speakers and audio systems. The device is highly reliable and easy to use, making it an ideal choice for both professional and hobbyist audio applications.

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