BD3850FS-E2

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Base Part Number:	BD3850

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BD3850FS-E2 Audio Special Purpose Application Field and Working Principle

The BD3850FS-E2 audio special purpose a low-power, low-voltage, audio DAC dedicated IC for portable application, featured with high-precision, low noise and low distortion, can perform excellent audio processing performance.The BD3850FS-E2 audio special purpose provides a low noise and low distortion output, is capable of supporting up to 8 channels of output. With the integrated 12-bit minimum resolution, it can deliver high resolution sound with high sound clarity, suitable for the portable applications. Besides, its minimum power consumption, small footprint and lockable power supply design makes it the ideal audio IC for portable application, such as cordless phones, portable speakers, portable media players, or personal digital assistant(PDA).The working principle of BD3850FS-E2 audio special purpose is simple. This IC has two major components, a Sub-DAC circuit and an analog front-end. The Sub-DAC circuit is responsible for receiving the digital audio file from the storage device and converting it into analog signals. The Sub-DAC has two operating modes, one is for the four channels, for the other four channels the other is the mono mode.Meanwhile the analog front-end is responsible for amplifying the converted digital audio output from Sub-DAC and providing additional functionality, such as volume adjusting and phase adjusting. Additionally, its integrated low noise amplifier can reduce the noise of the output signal and provide better sound quality.Furthermore, the BD3850FS-E2 audio special purpose has several integrated protection functions to protect the device from operating over temperature or over voltage. Additionally, the inbuilt voltage regulator provides the power-supply to the IC, allowing it to provide optimal performance and maximum power efficiency.In summary, the BD3850FS-E2 audio special purpose is a versatile and low-power IC suitable for various applications, especially portable applications where it can provide high quality audio performance while still having low power consumption and small footprint.

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