CS42888-CQZ

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The CS42888-CQZ is an integrated audio CODEC with low-power consumption and adjustable power modes in order to provide high-quality audio playback and record features for consumer electronics and mobile devices without incurring higher power consumption. The codec integrates four DACs, two LVPECL inputs, two stereo headset amplifiers, two stereo multiplex microphone amplifiers, two stereo ADC. It also contains a digital signal processor core which enables it to perform high-end audio features from the user interface, such as noise reduction and surround sound. In terms of digital signal processing (DSP) efficiency, the CS42888-CQZ provides a low-cost solution for audio processing for consumer electronics and mobile devices.

The CS42888-CQZ works with a single supply of 2.7V to 5.5V and consumes less than 0.15 mW/channel of power when operating in standby mode. The CS42888-CQZ has a very versatile signal routing architecture and is able to accept multiple analogue inputs and provide multiple output solutions. The signal processing control registers and programming interfaces can be used to configure the signal routing and signal processing parameters directly. The 11-bits of resolution, the signal and gain scaling, the signal mixing and the versatile parameter setting options allow system engineers to conveniently set up the signal paths and optimize the audio performance.

The CS42888-CQZ supports two input paths – stereo linein, microphone and/or digital inputs. The CS42888-CQZ also provides a wide range of output configurations and supports both positional and directional sound-field modes. It provides adjustable headroom gain to minimize the maximum voltage output and minimize digital distortion, as well as automatic gain control to reduce the overall digital noise of the signal. The codec also supports adjustable device latency, dynamic equalisation and dynamic reverb. All of these features allow the end user to adjust the quality and characteristics of their audio playback and recording.

The CS42888-CQZ has two 12-bit stereo audio ADCs, two 12-bit DACs and two 24-bit, low-power LVPECL inputs, which makes it suitable for high-end audio recording and playback applications. It also has a flexible input and output mixer, a microphone biological pre-amplifier, an analog and line level mixer and a micro-AMP interface. The DSP core provides noise reduction using a peak-limit function as well as surround sound for multichannel audio. The codec also provides numerous sampling rate options up to 32kHz and supports multiple digital audio formats such as WMA, MP3 and AAC. The CS42888-CQZ is available in 24-pin TSSOP and 20-pin QFN packages, making it easy to mount and incorporate into the design of consumer electronics and mobile devices.

The CS42888-CQZ offers both low-power consumption and high-quality audio performance and is an ideal solution for audio applications. It is suitable for digital audio applications such as media players and digital TVs, as well as in many other applications such as smartphones, tablets and more. With the adjustable power modes, the low-power consumption and the support for multiple digital audio formats, the CS42888-CQZ is an ideal audio CODEC for consumer electronics and mobile devices.

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