CS49834A-CQZ

Digital Signal Processor Dsp Overview

The CS49834A-CQZ is a high-capacity audio digital signal processor (DSP) manufactured by Cirrus Logic. It features a dual-core architecture with two 32-bit DSPs, designed for next-generation surround sound applications. The device supports all traditional DVD audio codecs and Blu-ray Disc audio formats, enabling concurrent post-processing algorithms without external memory. It integrates I²S and S/PDIF serial control ports and operates within the CS49834/CS49844 series, offering pin-compatible upgrades to three or four-core variants.

Digital Signal Processor Dsp Feature Summary

• Dual-core 32-bit DSP architecture for high-capacity audio processing
• Supports Dolby Atmos and DTS:X as a single-chip solution
• Compatible with all traditional DVD audio codecs and Blu-ray Disc audio formats
• Integrates I²S and S/PDIF serial control ports

Digital Signal Processor Dsp Applications

• Dolby Atmos and DTS:X decoding systems
• Multi-channel audio decoding and post-processing
• Next-generation surround sound home theater applications

Digital Signal Processor Dsp Procurement Notes

The CS49834A-CQZ is officially listed as an End-of-Life (EOL) product. Discontinuance notifications were issued on November 26, 2024. Availability is restricted, and procurement should focus on verifying remaining stock from authorized distributors or secondary market suppliers. Designers must account for the EOL status when planning long-term production.

Digital Signal Processor Dsp Selection Notes

Select the CS49834A-CQZ for applications requiring dual-core 32-bit DSP capacity for complex audio post-processing. For designs needing higher performance, consider the pin-compatible CS49844A-CQZ, which offers a quad-core configuration. Ensure compatibility with required audio formats such as Dolby Atmos and DTS:X before finalizing the component choice.

Digital Signal Processor Dsp Part Context

This component belongs to the CS49834/CS49844 family of high-capacity audio DSPs. These devices are engineered to handle demanding surround sound processing tasks in a single chip. The CS49834A variant specifically provides a dual-core solution, serving as a scalable option within the series alongside three-core and four-core counterparts.

Digital Signal Processor Dsp Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the EOL status, designers should evaluate the pin-compatible CS49844A-CQZ for increased core count or consult manufacturer resources for current recommended replacements.