D2-81412, D2-81433, D2-81434, D2-81435
FN6786.0
Data Sheet
March 5, 2010
DAE-1 for Manufacturers of High-
Features
Performance Class-D Audio Amplifiers
• Powerful Digital Audio Management - Reference Design
Dependant SRC, Routing, Mixing, Multiple Digital Audio
I/O, Tone Control, Parametric EQ, Compression
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.
• Reduced Audio System Cost for Manufacturers of Class-D
Audio Amplifiers
• Audio Processing Features Enable Optimized Speaker
Performance and Delivers Dramatically Improved Sound
Quality
The D2-814xx contains a high-performance digital switching
controller to play any input source on any output channel.
• Minimum Development Cost/Risk/ Time-to-Market
• Pure Digital Path
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.
• Superior Dynamic Range
• >110dB SNR, <0.1% THD+N
The D2-814xx includes 4-channels I2S/Left-Justified inputs
(16 to 24-bit, 32kHz to 192kHz), optional S/PDIF receiver
(16 to 24-bit).
•
20Hz - 20kHZ ±0.5dB Frequency Response
Complete Class-D Amplifier Controller SOC
• Digital Switching Controller
Boot options include: Self-boot from external serial ROM,
asynchronous SCI slave boot, and serial slave boot from
host uCon.
• Flexible Audio Input Sources
• Multiple Controller Synchronization
• Bridge and Non-Bridged Output Topologies
• Stand-Alone or Micro-Controller Boot Option
• 4 Channels
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.
• Pb-Free (RoHS Compliant)
High-Performance Sound
• Unique Performance for Each Part Number
• Superior Dynamic Range
• >110 dB SNR, <0.1% THD+N
• 20Hz-20kHz ±0.5dB Frequency Response
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-pin LQFP
• D2-81433-LR: 128-pin LQFP
• D2-81434-LR: 128-pin LQFP Supporting Dolby Labs™
Technology
• D2-81435-LR: 128-pin LQFP Supporting SRS Labs™
Technology
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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