D2-81412数据手册集成电路（IC）的音频专用规格书PDF

描述 Description

The D2Audio™ D2-814xx is a fully self-contained 4-channel digital amplifier controller System-On-Chip (SOC). The D2-814xx enables rapid system design for manufacturers of home theater receivers, multi-room distributed audio systems, and powered speakers.
The D2-814xx contains a high-performance digital switching controller to play any input source on any output channel.
A configurable audio signal processor provides equalization, volume control, tone control, and compression for each channel, also crossover and power limiting for powered speaker applications.
The D2-814xx includes 4-channels I2S/Left-Justified inputs (16-bit to 24-bit, 32kHz to 192kHz), optional S/PDIF receiver (16-bit to 24-bit).
Boot options include: Self-boot from external serial ROM, asynchronous SCI slave boot, and serial slave boot from host uCon.
Please see the part number availability table for additional information on support for D2Audio™ SoundSuite™ firmware, as well as for SRS Labs™ and Dolby Labs™ algorithm support.

特性 Features

• Powerful Digital Audio Management - Reference Design Dependant SRC, Routing, Mixing, Multiple Digital Audio I/O, Tone Control, Parametric EQ, Compression
• Reduced Audio System Cost for Manufacturers of Class-D Audio Amplifiers
• Audio Processing Features Enable Optimized Speaker Performance and Delivers Dramatically Improved Sound Quality
• Minimum Development Cost/Risk/ Time-to-Market
• Pure Digital Path
• Superior Dynamic Range
• >110dB SNR, Complete Class-D Amplifier Controller SOC
• Digital Switching Controller
• Flexible Audio Input Sources
• Multiple Controller Synchronization
• Bridge and Non-Bridged Output Topologies
• Stand-Alone or Micro-Controller Boot Option
• 4 Channels
• Pb-Free (RoHS Compliant) High-Performance Sound
• Unique Performance for Each Part Number
• Superior Dynamic Range
• >110 dB SNR, Graceful Protection and Recovery
• Complete Short-Circuit, Overcurrent, and Overvoltage Fault Protection Pure Digital Path
• Digital Audio Inputs which Support I2S and Left-Justified Formats with Linear PCM (32kHz to 192kHz, 16 to 24-bit)
• Digital Audio Input which Supports S/PDIF Format with Linear PCM (32kHz to 192kHz, 16 to 24-bit) Multiple Part Offerings
• D2-81412-LR: 144 Ld LQFP Supporting D2Audio SoundSuite™
• D2-81431-LR: 128 Ld LQFP Supporting D2Audio SoundSuite™
• D2-81435-LR: 128 Ld LQFP Supporting D2Audio SoundSuite™ and DTS™ (SRS) Technology