FAN3850AUC19X

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono)
Max Output Power x Channels @ Load:	--
Voltage - Supply:	1.64 V ~ 3.63 V
Features:	ADC, Microphone
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 85°C (TA)
Supplier Device Package:	6-WLCSP (1.26x0.86)
Package / Case:	6-XFBGA, WLCSP
Base Part Number:	FAN3850

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FAN3850AUC19X application field and working principle

Introduction

The FAN3850AUC19X is an audio linear amplifier integrated circuit developed by Fairchild Semiconductor. It is a high performance audio linear amplifier that combines the best features of digital and analog design techniques. The FAN3850AUC19X is designed to deliver low distortion, wide dynamic range, low output impedance and high current drive while providing excellent audio performance. It is ideal for audio applications such as portable audio devices, speaker systems, car audio systems and home theater systems. The FAN3850AUC19X also has an excellent power efficiency and low power consumption.

Application Fields

The FAN3850AUC19X is designed for audio applications in a wide range of environments, including professional audio sound systems, portable audio devices, car audio systems, and home theater systems. It offers a high current drive, low distortion and wide dynamic range, making it an ideal solution for both digital and analog audio applications. With a power VRMS of 35W, it is suitable for digital-to-analog conversion with a high SNR and THD of 10% and 0.05%, respectively. The FAN3850AUC19X is also a perfect choice for listening pleasure, as it has a high current drive and high power efficiency to deliver both clean and loud audio output.

General Working Principle

The FAN3850AUC19X audio linear amplifier uses a combination of digital and analog design techniques to achieve excellent audio performance. Its input stage is composed of a MOSFET differential amplifier, which is capable of driving a high current load in a very fast response. A feedback loop is used to minimize the output distortion, which is adjustable via the device’s internal trimmer pot. The FAN3850AUC19X also has a high current drive, low distortion, and wide dynamic range. The power transistors are placed in a two-stage configuration and operate in a push-pull structure for higher efficiency and power output. The output section of the FAN3850AUC19X is also adjustable, with control pins for setting the current limit and thermal protection. In addition, the device has an output mute pin that can be used to reduce the output noise during system boot up.

Conclusion

The FAN3850AUC19X audio linear amplifier is a high performance, low distortion, and low power consumption integrated circuit. Its wide dynamic range, high current drive, and adjustable feedback loop are suitable for digital as well as analog audio applications. Its two-stage power transistors and push-pull structure yield excellent audio performance and high efficiency. It is a perfect choice for any audio equipment requiring quality audio performance, from professional sound systems to portable audio devices.

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