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FEATURES

TAS3308

DIGITAL AUDIO PROCESSOR

WITH ANALOG INTERFACE

SLES215A – FEBRUARY 2008 – REVISED MARCH 2008

www.ti.com

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• Audio Input/Output

• Audio Digital Signal Processor

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Up to Three Synchronous Serial Audio

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Programmable Functionality

Inputs (6 Channels)

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135-MHz Operation

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Up to Two Synchronous Serial Audio

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48-Bit Datapath With 76-Bit Accumulator

Outputs (4 Channels)

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Hardware Single Cycle Multiplier (28

× 48)

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Two Memory Loads and One Memory Store

20-, or 24-Bit Data

Per Cycle

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Usable 1K Words Data RAM (48 Bit) and

16-, 20-, or 24-Bit Data

Usable 1K Coefficient RAM (28 Bit)

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64

× Fs Bit Clock Rate

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3.25K Words Instruction Program RAM

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24.576-MHz XTAL Input for Master Clock

(2.8K Words Available)

Modes and Clock Auto Detection

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360 mS at 48 KHz, 17,408 Words 24-Bit

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Slave Mode 256, 384, or 512

× Fs MCLKIN

Delay Memory

With Automatic Clock Rate Detection

• PWM Features

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Slave Mode 32-, 44.1-, and 48-kHz Fs With

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Proven PurePath Digital™ Technology

Auto Sample Rate Detection

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Fourth-Order Chaotic Noise Shaper With

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Master Mode – 48-kHz Fs 10 Multiplexed

Non-Linear Correction

Stereo Analog Inputs Selectable Into One

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High-Quality DNR 105 dBA (Typical) PWM

Stereo ADC. ADC Maximum Input Level: 1

Performance

Vrms SE

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Click and Pop Minimizing at Power

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Three Stereo Differential PWM Outputs

Up/Down Using TI Patented Technology

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High-Quality DNR 100-dBA (Typical) ADC

• General Features

Channel Performance (2 Channels) With

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Easy-to-Use Control Interface

Master Mode Clock

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High-Quality DNR 105-dBA (Typical) PWM

Interface

Channel Performance (6 Channels)

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Control Interface Operational Without

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One Single-Ended Analog Stereo Line

External MCLK Input

Driver Output With 1 of 10 Selectable

Inputs, 10-k

Ω, 100=pF Drive Capability

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Single 3.3-V Power Supply

(Maximum Output Level: 1 Vrms)

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Integrated Regulators

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Line-Out Supports Left/Right, Left/Left, and

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100-Pin TQFP Package

Right/Right Combinations

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M8051 Device Controller

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Auto Clock and Serial Data Rate Detection

and Automatic Device Configuration

Without Audible Artifacts

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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PurePath Digital is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.