Cirrus Logic

CS4202-JQZ

CS4202-JQZ Description

The CS4202-JQZ is a high-performance audio codec designed for applications requiring robust audio processing capabilities. Manufactured by Cirrus Logic Inc., this interface IC chip is part of the Audio, AC '97 category and is housed in a 48-pin TQFP package. It features a dynamic range of 90 dB for both ADCs and DACs, ensuring high-quality audio performance. The device operates within a temperature range of 0°C to 70°C and supports a digital supply voltage of 4.75V to 5.25V, as well as an analog supply voltage of the same range. The CS4202-JQZ employs a serial data interface and includes one ADC and one DAC, each with a resolution of 18 or 20 bits. It is designed with sigma-delta modulation, enhancing its audio performance. The product is classified under ECCN EAR99 and HTSUS 8542.33.0001, and it is REACH unaffected. It is available in a tray package and has a moisture sensitivity level (MSL) of 3 (168 hours). Although the CS4202-JQZ is now obsolete, it remains a reliable choice for specific legacy applications.

CS4202-JQZ Features

• High Dynamic Range: The CS4202-JQZ offers a dynamic range of 90 dB for both ADCs and DACs, ensuring high-fidelity audio performance.
• Flexible Power Supply: It supports a wide range of digital and analog supply voltages (4.75V to 5.25V), making it suitable for various power configurations.
• Serial Data Interface: The serial interface simplifies connections and reduces the number of pins required, saving space on the PCB.
• Sigma-Delta Modulation: This feature enhances the audio quality by reducing quantization noise and improving overall signal-to-noise ratio.
• High Resolution: With 18 or 20-bit resolution for both ADCs and DACs, the CS4202-JQZ provides detailed and precise audio processing.
• Surface Mount Technology: The surface mount mounting type allows for efficient and reliable assembly processes.
• Moisture Sensitivity Level 3: The MSL rating of 3 (168 hours) ensures the device can withstand typical manufacturing environments without degradation.

CS4202-JQZ Applications

The CS4202-JQZ is ideal for applications that require high-quality audio processing and compatibility with the AC '97 standard. Specific use cases include:

• Personal Computers: Enhancing audio performance in desktop and laptop computers.
• Audio Systems: Improving the quality of audio in consumer electronics and professional audio equipment.
• Telecommunications: Providing high-fidelity audio in communication devices and systems.
• Legacy Systems: Ideal for maintaining or upgrading older systems that rely on the AC '97 standard.

Conclusion of CS4202-JQZ

The CS4202-JQZ, despite being obsolete, remains a reliable and high-performance audio codec suitable for specific applications. Its high dynamic range, flexible power supply, and sigma-delta modulation make it a standout choice for applications requiring high-fidelity audio. The device's compatibility with the AC '97 standard and its robust performance features make it an excellent option for legacy systems and applications where high-quality audio processing is essential.