CS47L63-CWZR

Digital Signal Processor Dsp Overview

The CS47L63-CWZR is a low-power audio DSP featuring a Halo Core processor with dual MACs operating at 150 MHz, equipped with 200 kB program memory and 408 kB data memory. It integrates an FFT, LMS, and FIR accelerator for ambient noise cancelation and voice processing. The device supports up to four analog or digital microphone inputs and provides a differential headphone driver. Electrical specifications include a 104 dB SNR for mic input at 16 kHz, two ASPs supporting sample rates up to 192 kHz, and integrated voltage regulators. It operates on 1.8 V and 1.2 V supplies within a -40°C to +85°C range.

Digital Signal Processor Dsp Feature Summary

• Halo Core™ DSP with 150 MHz clock, 200 kB program memory, and 408 kB data memory
• Integrated accelerators for FFT, LMS, and FIR algorithms
• Support for up to four analog or PDM digital microphone inputs
• Differential headphone output driver optimized for direct connection to external loads

Digital Signal Processor Dsp Applications

• Earbud headphones
• Mobile accessories
• Always-on voice-triggered devices

Digital Signal Processor Dsp Procurement Notes

Verify the specific datasheet revision (DS1249F2) and package details when sourcing. Confirm that the WLCSP-61 package with 0.4 mm pitch matches the design constraints. Ensure compliance with RoHS standards as indicated in the manufacturer documentation. Check for any process change notifications regarding packaging or material composition before finalizing procurement.

Digital Signal Processor Dsp Selection Notes

Select this component for designs requiring high-performance audio processing with low power consumption. The integrated Halo Core DSP allows for flexible firmware implementation of ANC and voice detection. Ensure the system can support the required 1.8 V and 1.2 V supply rails. Verify that the PCB layout accommodates the small WLCSP footprint and thermal requirements for continuous operation.

Digital Signal Processor Dsp Part Context

The CS47L63 belongs to Cirrus Logic's family of low-power audio processors designed for portable devices. It combines programmable DSP capabilities with fixed-function audio blocks to reduce system complexity. The device targets applications where battery life and audio fidelity are critical, offering a compact solution for integrating multiple microphones and headphone drivers into a single chip.

Digital Signal Processor Dsp Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.