ZL38067UGB2

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ZL38067UGB2 Audio Special Purpose

The ZL38067UGB2 chip is a multi-function device intended for audio special purpose applications. It is designed to provide a complete audio solution with its integrated sampling rate conversion, a low noise output amplifier and high voltage audio output buffers.

The ZL38067UGB2 consists of three main blocks: an ADC and DAC module, an audio processing block and a power amplifier.

ADC and DAC Module

The ADC (Analog-to-Digital Converter) module is used to convert the incoming analog audio signal into a digital signal, while the DAC module is used to convert a digital signal into an analog signal. The module also provides a line input for digital audio.

Audio Processing Block

The audio processing block features a sampling rate converter and a digital signal processor. The sampling rate converter allows for up to nine different sampling rates, ranging from 8 Khz to 48 Khz, making the ZL38067UGB2 suitable for a variety of digital audio applications. The DSP (Digital Signal Processor) allows for standard processing functions such as level shifting, fades and dither.

Power Amplifier

The power amplifier module provides a low noise, high gain output stage. It has a current limiting circuit, allowing the output voltage to be set safely without risk of over-driving the loudspeaker.

Applications

The ZL38067UGB2 is designed for applications such as home theater systems, compact stereo systems, multi-room audio systems and portable audio systems. It is also suitable for automotive audio applications and home surveillance systems.

Working Principle

The ZL38067UGB2 converts an analog audio signal into a digital signal which is then processed by the sampling rate converter and DSP. The output of the DSP is then passed through the power amplifier and finally to the loudspeaker. The amplifier is able to drive a large range of connected loudspeakers and the integrated line input allows for digital audio sources to be connected directly to the device, bypassing the ADC and DAC modules.

Conclusion

The ZL38067UGB2 is a highly integrated device for audio special purpose applications. It can provide a complete audio solution, with integrated sampling rate conversion, low noise output and high voltage audio output buffers. The device is suitable for a variety of applications, including home theater systems and automotive audio systems, and is able to drive a wide range of connected loudspeakers.

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