TAS5086
www.ti.com
SLES131A–FEBRRUARY 2005–REVISED MAY 2006
PurePath Digital™ AUDIO SIX-CHANNEL PWM PROCESSOR
FEATURES
•
PWM Processing
•
Audio Input/Output
– 8× Oversampling With 4th-Order Noise
Shaping at 44.1, 48 kHz; 4× Oversampling
at 88.2, 96 kHz; 2× Oversampling at 176.4,
192 kHz; and 12× Oversampling at 32 kHz
– Automatic Master Clock Rate and Data
Sample Rate Detection
– Four Serial Audio Inputs (Eight Channels)
– ≥105-dB Dynamic Range
(TAS5086+TAS5186)
– Support for 32-, 44.1-, 48-, 88.2-, 96-, 176.4-,
and 192-kHz Sampling Rates
– THD < 0.06% (TAS5086 Only)
– Data Formats: 16-, 20-, or 24-Bit Input Data;
Left-Justified, Right-Justified, and I2S
– 20-Hz – 20-kHz Flat Noise Floor for 44.1-,
48-, 88.2-, 96-, 176.4- and 192-kHz Data
Rates
– 64- or 48- fS Bit-Clock Rate
– 128-, 192-, 256-, 384-, and 512- fS Master
Clock Rates (Up to a Maximum of 50 MHz)
– Digital De-Emphasis for 32-kHz, 44.1-kHz
and 48-kHz Data Rates
– Six PWM Audio Output Channels
– Intelligent AM Interference Avoidance
System Provides Clear AM Reception
– Any Output Channel Can be Mapped to Any
Output Pin
– Adjustable Modulation Limit From 93.8% to
99.2%
– Supports Single-Ended and Bridge-Tied
Loads
– I2S Serial Audio Output
•
General Features
– Automated Operation With Easy-to-Use
Control Interface
– I2C Serial Control Slave Interface
•
Audio Processing
– Volume Control Range 48 dB to –100 dB
– Master Volume Control 24 dB to –100 dB in
0.5-dB Increments
– Control Interface Operational Without
MCLK
– Six Individual Channel Volume Controls
With 24-dB to –100-dB Attenuation in
0.5-dB Increments
– Single 3.3-V Power Supply
– 38-Pin TSSOP Package
– Serial Output Can be Produced by
Downmix of 5.1 Channel Input or 4th Serial
Input
– 5.1 Channel Downmix to 2.1 or 3.1 PWM
Output Speaker System
– Integrated Bass Management
– Two Programmable Biquads in Subwoofer
Channel
– Full Six-Channel Input and Output Mapping
– Selectable DC Blocking Filters
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.
All other trademarks are the property of their respective owners.
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 © 2005–2006, Texas Instruments Incorporated