FAN3850AUC16X

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The FAN3850AUC16X is a linear amplifier used in audio applications. It is part of the FAN3850 series of amplifiers developed by Fairchild Semiconductor, and this specific model has a maximum output current of 16A and a Sine wave distortion of 0.15%. It operates with a wide range of supply voltages from 7V to 31V, and its wide frequency range makes it suitable for different spectral components of a sound, making it ideal for audio applications.

The FAN3850AUC16X linear amplifier design is based on a pair of complementary NPN and PNP transistors, which are connected in a common emitter configuration. This configuration results in an amplitude gain dependent on its transistors, and this gain is maintained by the use of an emitter degenerative feedback circuit. The emitter degenerative feedback circuit is used to stabilize the amplifier by dampening the amplifying stages\' gain when changes in temperature or frequency occur. The combination of the common emitter output stage and the feedback circuit allows for a high distortion-free output along with a wide frequency response.

Aside from the linear amplifier design, the FAN3850AUC16X also features a thermal protection circuit that prevents damage from occurring to the transistors from excessive temperatures. This circuit is triggered by an increase in output temperature, causing the amplifier to shut down until the temperature has been reduced. This helps to protect the transistors from overloading and maintain the sound quality of the audio signal.

The FAN3850AUC16X can also be used to drive high power speakers, as it is capable of providing up to 16A of current at 18W of output power. This makes it suitable for home theater systems or large sound systems that require plenty of power. The FAN3850AUC16X also has a high reverse transfer capacitance which keeps the output voltage stable even when the capacitance value changes.

Overall, the FAN3850AUC16X is a robust linear amplifier designed for audio applications. Its wide operating voltage allows it to be used in different audio circuitry, while its high current output and thermal protection features provide a reliable and stable operation for high-power speakers. Its emitter degenerative feedback circuit helps maintain a high distortion-free output, and its reverse transfer capacitance helps to keep the output voltage stable even in changing capacitance values. The FAN3850AUC16X is a great option for those looking for a sturdy and reliable linear amplifier for audio applications.

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