D2-81433-LR

Audio Special Purpose Overview

The Intersil D2-81433-LR is a member of the D2-3 family of Intelligent Digital Amplifiers and Sound Processors. It is a System on Chip (SoC) multi-channel digital sound processor and Class-D amplifier controller housed in a 128-pin LQFP package. The device integrates a configurable DSP for audio signal path processing (equalization, mixing, filtering) and a PWM engine for driving power stages.

Audio Special Purpose Feature Summary

• D2-3 Family: Pin compatible and function/feature compatible with the D2 Audio DSP D2-6 device family
• 12 independent PWM engine channels
• Four independent asynchronous I2S digital inputs
• S/PDIF™ digital audio inputs supporting linear IEC-61958 PCM or compressed IEC-61937 audio
• S/PDIF digital audio PCM output
• Supports bridged, half-bridged, and Bridge-Tied Load (BTL) topologies
• Complete fault protection with automatic recovery
• Integrated high-performance stereo ADC
• Enhanced audio processing decoders and virtualization

Audio Special Purpose Procurement Notes

This component belongs to the D2-3 family. Verify availability as Intersil/Renesas may have lifecycle changes for legacy audio DSPs. Ensure the specific suffix '-LR' corresponds to the required temperature grade and tape/reel packaging options from the manufacturer's current inventory.

Audio Special Purpose Part Context

The D2-81433-LR is part of the D2-3 family, which also includes variants like D2-92633-LR. These devices are designed for high-performance audio applications requiring multi-channel amplification and advanced digital signal processing.