TAS3308 Datasheet, PDF (1/11 Pages) Texas Instruments – DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE

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FEATURES
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•2 Audio Input/Output
– Up to Three Synchronous Serial Audio
Inputs (6 Channels)
– Up to Two Synchronous Serial Audio
Outputs (4 Channels)
– Left, RIght and I²S Input Data Formats: 16-,
20-, or 24-Bit Data
– Left, Right and I²S Output Data Formats:
16-, 20-, or 24-Bit Data
– 64 × Fs Bit Clock Rate
– 24.576-MHz XTAL Input for Master Clock
Modes and Clock Auto Detection
– Slave Mode 256, 384, or 512 × Fs MCLKIN
With Automatic Clock Rate Detection
– Slave Mode 32-, 44.1-, and 48-kHz Fs With
Auto Sample Rate Detection
– Master Mode – 48-kHz Fs 10 Multiplexed
Stereo Analog Inputs Selectable Into One
Stereo ADC. ADC Maximum Input Level: 1
Vrms SE
– Three Stereo Differential PWM Outputs
– High-Quality DNR 100-dBA (Typical) ADC
Channel Performance (2 Channels) With
Master Mode Clock
– High-Quality DNR 105-dBA (Typical) PWM
Channel Performance (6 Channels)
– One Single-Ended Analog Stereo Line
Driver Output With 1 of 10 Selectable
Inputs, 10-kΩ, 100=pF Drive Capability
(Maximum Output Level: 1 Vrms)
– Line-Out Supports Left/Right, Left/Left, and
Right/Right Combinations
TAS3308
DIGITAL AUDIO PROCESSOR
WITH ANALOG INTERFACE
SLES215A – FEBRUARY 2008 – REVISED MARCH 2008
• Audio Digital Signal Processor
– Programmable Functionality
– 135-MHz Operation
– 48-Bit Datapath With 76-Bit Accumulator
– Hardware Single Cycle Multiplier (28 × 48)
– Two Memory Loads and One Memory Store
Per Cycle
– Usable 1K Words Data RAM (48 Bit) and
Usable 1K Coefficient RAM (28 Bit)
– 3.25K Words Instruction Program RAM
(2.8K Words Available)
– 360 mS at 48 KHz, 17,408 Words 24-Bit
Delay Memory
• PWM Features
– Proven PurePath Digital™ Technology
– Fourth-Order Chaotic Noise Shaper With
Non-Linear Correction
– High-Quality DNR 105 dBA (Typical) PWM
Performance
– Click and Pop Minimizing at Power
Up/Down Using TI Patented Technology
• General Features
– Easy-to-Use Control Interface
– I²C Serial Control Master and Slave
Interface
– Control Interface Operational Without
External MCLK Input
– Single 3.3-V Power Supply
– Integrated Regulators
– 100-Pin TQFP Package
– M8051 Device Controller
– 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.
PurePath Digital is a trademark of Texas Instruments.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated