ADAU1445YSVZ-3A

Digital Signal Processor Dsp Overview

The ADAU1445YSVZ-3A is a SigmaDSP digital audio processor featuring a flexible audio routing matrix (FARM). It operates with a 172 MHz core clock and supports up to 8 stereo asynchronous sample rate converters. The device provides 24-channel digital I/O, including S/PDIF and TDM interfaces. Power requirements include AVDD at 3.3 V and DVDD at 1.8 V. It is housed in a 100-lead TQFP package and functions within a temperature range of −40°C to +105°C.

Digital Signal Processor Dsp Feature Summary

• SigmaDSP core running at 172 MHz with 4k parameter RAM and 8k data RAM
• Flexible Audio Routing Matrix (FARM) supporting up to 8 stereo ASRCs
• 24-channel digital I/O with S/PDIF and TDM support up to 192 kHz
• On-chip regulator generating 1.8 V from 3.3 V supply

Digital Signal Processor Dsp Applications

• Automotive audio processing head units
• Rear-seat entertainment systems
• DSP amplifiers for sound systems

Digital Signal Processor Dsp Procurement Notes

Verify the specific suffix 'YSVZ-3A' against the manufacturer's ordering guide to confirm package type and temperature grade. Ensure compatibility with SigmaStudio development tools for programming. Check for moisture sensitivity levels and storage conditions prior to assembly.

Digital Signal Processor Dsp Selection Notes

Select this model for applications requiring multiple independent clock domains, as it supports three clock domains unlike the single-domain ADAU1446. Confirm that the 100-lead TQFP package fits the PCB layout constraints. Verify power supply stability for the 3.3 V analog and 1.8 V digital rails.

Digital Signal Processor Dsp Part Context

This component belongs to the ADAU144x family, which shares the same DSP core but differs in ASRC channel count and clock domain support. The ADAU1445 specifically offers 16 ASRC channels across two clock domains, positioned between the multi-domain ADAU1442 and the simpler ADAU1446.

Digital Signal Processor Dsp Replacement Considerations

ADAU1442YSVZ-3A offers nine clock domains instead of three. ADAU1446YSTZ-3A uses an LQFP package and lacks ASRC functionality.