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Cirrus Logic Inc. CS8421-CZZ Environmental and export classification status description

The Cirrus Logic CS8421-CZZ is a high-performance digital audio interface IC. It is designed to provide digital audio interface formats and is particularly useful in high-fidelity audio applications. The device supports a wide range of sampling rates and allows for various input and output formats, making it a versatile choice for audio applications. Functions - Digital Audio Interface: Converts audio signals from one format to another (e.g., from S/PDIF to I2S). - Sample Rate Conversion: Capable of operating at different sample rates, up to 192 kHz. - Bit Clock and Word Clock Generation: Generates necessary clock signals for the audio data stream. - Input Format Selection: Supports multiple digital audio input formats such as S/PDIF, AES/EBU, and others. - Synchronous and Asynchronous Operation: Can operate synchronously with the input clock or in an asynchronous manner with its internal clocking. Applications - Digital Audio Receivers: Used in devices such as Blu-ray players, TVs, and home theater systems. - Professional Audio Equipment: Found in mixing consoles and audio interfaces. - Consumer Electronics: Used in soundbars and high-end audio systems. - Broadcasting Equipment: Employed in radio and television broadcasting devices. Alternative Parts - Cirrus Logic CS8416: Primarily focused on receiving digital audio signals. - Texas Instruments PCM1794: D/A converter that may complement the CS8421 in an audio system. - Wolfson Microelectronics WM8804: A digital audio interface receiver that supports S/PDIF and I2S formats. Embedded Modules The CS8421-CZZ can be found as part of various evaluation and development boards provided by Cirrus Logic and third-party vendors. These modules can include: - Audio Development Kits: Kits that allow developers to evaluate the CS8421's performance and integrate it into their designs. - Custom PCB Solutions: Embedded designs that integrate the CS8421 with other audio processing components. Related Q&A Q1: What is the main purpose of the Cirrus Logic CS8421-CZZ? A1: The main purpose of the CS8421-CZZ is to serve as a digital audio interface converter, allowing for the conversion and processing of various digital audio formats, while providing sample rate conversion and clock generation. Q2: What types of audio formats does the CS8421-CZZ support? A2: The CS8421-CZZ supports multiple digital audio formats, including S/PDIF, AES/EBU, and I2S, making it versatile for various audio applications. Q3: How does the CS8421-CZZ handle sample rate conversion? A3: The CS8421-CZZ is capable of operating at different sample rates (up to 192 kHz) and can convert between sample rates, ensuring that the output maintains audio fidelity and synchronization. Q4: In what types of applications would you typically find the CS8421-CZZ? A4: You would typically find the CS8421-CZZ in high-fidelity audio systems, professional audio equipment, consumer electronics such as soundbars, and digital audio receivers in home theaters. Q5: Are there any alternative ICs to the CS8421-CZZ for similar functions? A5: Yes, alternative ICs such as the Cirrus Logic CS8416, Texas Instruments PCM1794, and Wolfson WM8804 provide similar functions in digital audio interface applications.