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FEATURES
www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008
DIGITAL AUDIO PROCESSOR WITH ANALOG INTERFACE
Audio Digital Signal Processor
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Audio Input/Output
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Programmable Functionality
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3 Synchronous Serial Audio Inputs
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135-MHz Operation
(6 Channels)
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48-Bit Data Path With 76-Bit Accumulator
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2 Synchronous Serial Audio Outputs
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Two Memory Loads and One Memory Store
(4 Channels)
Per Cycle
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Input and Output Data Formats: 16-, 20-, or
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Usable 768 Data RAM Words (48-Bit),
24-Bit Data Left, Right ,and I2S
Usable 1K Coefficient RAM (28-Bit)
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SPDIF Transmitter
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Usable 2.5K Program RAM
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64 Fs Bit Clock Rate
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360 ms at 48 kHz, 17408 Words 24-Bit Delay
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512 Fs XTAL Input for Master Mode Clock
Memory for Video Sync
Rates
System Control Processor
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256 Fs MCLKIN for Slave Mode Clock Rates
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Embedded 8051 WARP Microprocessor
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10 Multiplexed Stereo Analog Inputs
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Programmable Using Standard 8051 C
Selectable into 1 Stereo ADC and 3 Stereo
Compilers
Line Outputs
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16K Words of Program RAM (8-Bit)
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High Quality DNR: 93 dB (Typical) ADC
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2048 Words of Data RAM (8-Bit)
Channel Performance (2 Channels)
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256 Words of Internal RAM (8-Bit)
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3 Single-Ended Analog Stereo Line Driver
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Programmable Functionality
Outputs With 1 of 11 Selectable Input, 10 k
General Features
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100-pF Drive Capability (Typical Output
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Easy-to-Use Control Interface
Level: 1 Vrms)
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I2C Serial Control Master and Slave
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3 Stereo Audio DACs
Interface
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High-Quality DNR: 97 dB (Typical) DAC
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Control Interface Operational Without
Channel Performance (6 Channels)
External MCLK Input
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Stereo Headphone Amplifier 24 mW Power
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Single 3.3-V Power Supply
Output into 16 , 100 pF
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Integrated Regulators
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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.
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PowerPAD 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.