CS4348-CZZR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	DAC, Audio
Number of Channels:	1
Resolution (Bits):	24 b
Sampling Rate (Per Second):	192k
Data Interface:	SPI
Voltage Supply Source:	Single Supply
Voltage - Supply:	3 V ~ 3.47 V, 5V
Operating Temperature:	-10°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-TSSOP
Base Part Number:	CS4348

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Data Acquisition - ADCs/DACs - Special Purpose

CS4348-CZZR is a typical audio codec integrated chip that is widely used in the field of audio data acquisition and computer audio processing. It provides a complete synergy between analog and digital audio systems, simplifying the design and implementation of digital audio systems. The chip can be also used as a stereo digital-to-analog converter (DAC) or as an analog-to-digital converter (ADC).

Application Field and Working Principle

The CS4348-CZZR is a self-contained, flexible, cost-effective solution for the realization of converters for high-quality audio applications. It can be used to convert digital audio data into analog form for playback or to capture analog audio signals for recording. The chip features a simple I²C compatible interface and can be used with most of the audio codecs and boards currently on the market. It supports both ADC and DAC modes and can be used for both audio signal broadening and signal reduction.
The chip also features a low-power design and low-loss digital-to-analog signal conversion with sampling rates up to 192kHz and a maximum performance of 4x bandwidth. It is highly suitable for audio applications, such as PC audio playback, digital television sound, gaming consoles, digital audio recording and editing.

The CS4348-CZZR is an integrated 24-bit stereo digital-to-analog converter (DAC) with programmable digital signal processing (DSP) capability. It supports a wide range of sample rates, including up to 192kHz/24 bits. The analog signal can be filtered by digital signal processing, allowing for great flexibility and efficiency for signal processing. The signal is processed by a quad-core DSP engine, which is used for signal conditioning and signal processing features that include noise reduction, equalization, signal enhancement and signal modulation.

The signal processing features include a five-band equalizer, a compressor, a limiter, a low-frequency filter, and an adaptive noise reduction system. The equalizer provides four gain settings and a control for adjusting the frequency range of the equalization. The compressor adjusts the dynamic range of the signal, increasing the signal when the signal level drops, and reducing it when the signal level rises. The limiter increases the signal level of the signal below the set limit to minimize digital clipping. The low-frequency filter reduces low-frequency noise and pops. Finally, the adaptive noise reduction system reduces noise while preserving signal detail.

The CS4348-CZZR also supports digital signal processing (DSP) features such as multiband signal processing, signal conditioning, tone control, and power control. This allows the processor to efficiently process digital audio in a variety of formats. The multiband signal processing feature enables the processor to control each band of the audio signal separately, allowing for precise signal processing. The signal conditioning feature helps remove distortion and artifacts from the signal. Tone control provides the capability to adjust the frequency response of the signal. Finally, the power control feature provides precise control over the power output to the signal, allowing the signal to be controlled more precisely than with an analog power amplifier.

In conclusion, the CS4348-CZZR chip is a great example of a specialized data acquisition device and audio processor. Its features make it a great choice for applications that require precise signal processing and control. It is also cost-effective and easy to integrate, making it a popular choice for many audio applications.

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