TAS3218_1 Datasheet, PDF (1/79 Pages) Texas Instruments – DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE

TAS3218
www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008
DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE
FEATURES
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•2 Audio Input/Output
– 3 Synchronous Serial Audio Inputs
(6 Channels)
– 2 Synchronous Serial Audio Outputs
(4 Channels)
– Input and Output Data Formats: 16-, 20-, or
24-Bit Data Left, Right ,and I²S
– SPDIF Transmitter
– 64 Fs Bit Clock Rate
– 512 Fs XTAL Input for Master Mode Clock
Rates
– 256 Fs MCLKIN for Slave Mode Clock Rates
– 10 Multiplexed Stereo Analog Inputs
Selectable into 1 Stereo ADC and 3 Stereo
Line Outputs
– High Quality DNR: 93 dB (Typical) ADC
Channel Performance (2 Channels)
– 3 Single-Ended Analog Stereo Line Driver
Outputs With 1 of 11 Selectable Input, 10 k
– 100-pF Drive Capability (Typical Output
Level: 1 Vrms)
– 3 Stereo Audio DACs
– High-Quality DNR: 97 dB (Typical) DAC
Channel Performance (6 Channels)
– Stereo Headphone Amplifier 24 mW Power
Output into 16 , 100 pF
• Audio Digital Signal Processor
– Programmable Functionality
– 135-MHz Operation
– 48-Bit Data Path With 76-Bit Accumulator
– Two Memory Loads and One Memory Store
Per Cycle
– Usable 768 Data RAM Words (48-Bit),
Usable 1K Coefficient RAM (28-Bit)
– Usable 2.5K Program RAM
– 360 ms at 48 kHz, 17408 Words 24-Bit Delay
Memory for Video Sync
• System Control Processor
– Embedded 8051 WARP Microprocessor
– Programmable Using Standard 8051 C
Compilers
– 16K Words of Program RAM (8-Bit)
– 2048 Words of Data RAM (8-Bit)
– 256 Words of Internal RAM (8-Bit)
– Programmable Functionality
• 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 (PZP) Package
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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.
PowerPAD 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