CS47048C-CQZ

Digital Signal Processor Dsp Overview

The CS47048C-CQZ is a 32-bit fixed-point audio system-on-chip (ASOC) processor from Cirrus Logic. It features a DSP core operating at 150MHz with 300 million MACs per second and 72-bit accumulators. The device integrates eight 24-bit DAC channels (108dB DR, -98dB THD+N) and four 24-bit ADC channels (105dB DR, -98dB THD+N). It includes integrated S/PDIF Rx/Tx, three hardware sample rate converters, and 32K x 32-bit SRAM. Powered by 1.8V core and 3.3V I/O, it is housed in a 100-pin LQFP package with an exposed pad.

Digital Signal Processor Dsp Feature Summary

• High-performance 32-bit DSP core with 300M MAC/S and dual MAC cycles per clock
• Integrated analog front-end: 8-channel 24-bit DAC and 4-channel 24-bit ADC
• Built-in digital interfaces including S/PDIF Rx/Tx and configurable I2S/TDM ports
• Three independent hardware sample rate converter (SRC) blocks for mixed sample rates

Digital Signal Processor Dsp Applications

• Automotive head units and outboard amplifiers
• Digital TV and set-top boxes
• AVR and DVD receivers
• DSP-controlled speakers such as subwoofers and sound bars

Digital Signal Processor Dsp Procurement Notes

The CS47048C-CQZ is listed as an obsolete product with limited availability. Verification of current stock status and end-of-life notifications is required before procurement planning. Alternative sourcing may be necessary due to discontinuation.

Digital Signal Processor Dsp Selection Notes

Select the CS47048C-CQZ for designs requiring high channel count audio processing with integrated analog conversion. Ensure compatibility with the 100-pin LQFP-EP package thermal requirements. Verify that the commercial temperature grade (0°C to +70°C) meets application environmental constraints.

Digital Signal Processor Dsp Part Context

This component belongs to the CS470xx family of audio processors, derived from the CS48500 series. It simplifies system design by integrating DSP, SRC, and S/PDIF functions into a single chip, reducing overall component count compared to discrete solutions.

Digital Signal Processor Dsp Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Cirrus Logic sales representatives for obsolescence management or equivalent replacement options.