The D2-4 Family (D2-41051 and D2-41151 (D2-41x51-QR)) devices are complete System-on-Chip (SoC) Audio Processor and Class-D Amplifier Controllers that offer a powerful yet very cost effective audio solution for high volume consumer products, including digital TV systems, PC multimedia speakers, and portable device docking stations. This 4th generation Digital Audio Processor (D2-4 family) device combines extensive integrated DSP processing and configurable audio processing algorithms for complete audio system control. The D2-4 family devices offer the optimum balance of functionality and lowest system material cost, especially in an SoC system architecture with I2S audio output. All audio processing and amplifier control is handled by the D2-4 family, and its ease of integration to the existing system processor handles all system control functions.

Features

  • All digital class-D amplifier controller with integrated Digital Signal Processing (DSP)
  • Fully programmable audio signal path parameters
  • Up to 5 channels of Digital Signal Processing (DSP)
  • Includes equalizers, filters, mixers, and other common audio processing blocks
  • Audio enhancement algorithms included
  • I2S and S/PDIF™ digital audio stereo inputs
  • I2C host control port
  • Asynchronous sample rate converters, sample rates from 32kHz up to 192kHz
  • Supports 2.0, 2.1, or bi-amp amplifier outputs with discrete or integrated power stages

Applications

  • PC/Multimedia Speakers
  • Digital TV Audio Systems
  • Portable Device Docking Stations
  • Powered Speaker Systems

Product Options

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Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
D2-4 Family Audio SOC Datasheet Datasheet PDF 900 KB
Application Notes & White Papers
R32AN0007: Output Filter Design Selection Application Note PDF 184 KB
R32AN0006: Writing to EEPROM or SPI Flash Memories using an External Microcontroller Application Note PDF 147 KB
R32AN0004: API Register Specification (D2 Audio DSP Sound Enhancement Algorithm Support) Application Note PDF 506 KB
R32AN0002: D2 Audio Customization GUI v3I Sound Processing and Audio Algorithms Application Note PDF 297 KB