Overview - Texas Instruments TAS3108EVM2 User Manual

The TAS3108EVM2 PurePath Digital™ customer evaluation amplifier module
demonstrates the digital audio processor TAS3108/TAS3108IA from Texas Instruments
(TI).
TAS3108DCP/TAS3108IADCP is a fully programmable high-performance audio
processor. It uses an efficient, custom, multi-instruction programming environment
optimized
architecture provides high-quality audio processing by using a 48-bit data path, 28-bit
filter coefficients, and a single-cycle 28 × 48-bit multiplier with a 76-bit accumulator. An
embedded 8051 microprocessor provides algorithm and data control for the
TAS3108/TAS3108IA. The TAS3108 is the commercial version, intended for home
audio and other commercial applications. The TAS3108IA is the automotive version
that is qualified for use in automotive applications. This EVM uses the TAS3108
version, and the active/passive parts used are not qualified for automotive use.
This EVM is delivered together with two boards: an input board with SPDIF, ACD, and
USB for PC control, and an output board with DACs and a SPDIF transmitter. This
system is a complete eight-channel digital audio processor system that includes digital
input/output (S/PDIF), analog inputs/outputs, interface to PC, and DAP features like
digital volume control, input and output mixers, auto mute, equalization, tone controls,
loudness, dynamic range compression, and surround effects.
The TAS3108 applications could be automotive sound systems, digital televisions,
home theater systems, mini-component audio systems, and pro-audio.
Replacing the DAC-DIT output board with one of the TI PurePath digital-amplifier EVMs
makes it possible to test the TAS3108 with a speaker connected directly. Examples of
EVMs that can be connected include, but are not limited to, TAS5508-5142K7EVM,
TAS5518-5152K8EVM, TAS5518-5182C8EVM2, and TAS5086-5186V6EVM. This
system is designed for home theater applications such as A/V receivers, DVD
mini-component systems, home theater in a box (HTIB), DVD receivers, or plasma
display panels (PDP).
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Topic
1.1
1.2
1.3
1.4
SLEU065A – SEPTEMBER 2005 – Revised NOVEMBER 2006
Submit Documentation Feedback
for digital audio processing
TAS3108EVM2 System Features
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PCB Key Map
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Input Board
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Output Board
SLEU065A – SEPTEMBER 2005 – Revised NOVEMBER
algorithms. The TAS3108/TAS3108IA
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Chapter 1
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Overview

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