CS8420-DSZ

Audio Special Purpose Overview

The CS8420-DSZ is a stereo digital audio sample rate converter (SRC) manufactured by Cirrus Logic Inc. It features AES3-type and serial digital audio inputs/outputs with comprehensive control via a 4-wire microcontroller port. The device supports IEC60958, AES3, S/PDIF, and EIAJ CP1201 standards. It operates on a 4.75V to 5.25V supply within an automotive temperature range of -40°C to +85°C. The component handles 24-bit I/O words across an 8kHz to 108kHz sample rate range, offering a maximum input-to-output ratio of 3:1 or 1:3.

Audio Special Purpose Feature Summary

• Complete transceiver supporting IEC60958, AES3, S/PDIF, and EIAJ CP1201 standards
• Asynchronous sample rate conversion with 128 dB dynamic range and -117 dB THD+N at 1 kHz
• Flexible 3-wire serial digital I/O ports with 24-bit word support
• Microcontroller and stand-alone operational modes

Audio Special Purpose Applications

• CD-R, DAT, MD, DVD, and VTR equipment
• Mixing consoles and digital audio transmission equipment
• High-quality D/A and A/D converters
• Effects processors and computer audio systems

Audio Special Purpose Procurement Notes

This specific part number (CS8420-DSZ) is obsolete and no longer manufactured. Users should verify the exact package type and grade against manufacturer documentation. The datasheet indicates availability in Commercial (-10°C to +70°C) and Automotive (-40°C to +85°C) grades. Confirm that the 28-SOIC package matches the design requirements for the intended application environment.