1
FEATURES
TAS5086
www.ti.com
................................................................................................................................................... SLES131C – FEBRUARY 2005 – REVISED JUNE 2008
PurePath Digital™ AUDIO SIX-CHANNEL PWM PROCESSOR
– Full Six-Channel Input and Output Mapping
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• Audio Input/Output – Selectable DC Blocking Filters
– Automatic Master Clock Rate and Data • PWM Processing
Sample Rate Detection
– 8 × Oversampling With Fourth-Order Noise
– Four Serial Audio Inputs (Eight Channels) Shaping at 44.1, 48 kHz; 4 × Oversampling
at 88.2, 96 kHz; 2 × Oversampling at 176.4,
– Support for 32-, 44.1-, 48-, 88.2-, 96-, 176.4-,
192 kHz; and 12 × Oversampling at 32 kHz
and 192-kHz Sampling Rates
– ≥ 105-dB Dynamic Range
– Data Formats: 16-, 20-, or 24-Bit Input Data;
(TAS5086+TAS5186)
Left-Justified, Right-Justified, and I
2
S
– THD < 0.06% (TAS5086 Only)
– 64- or 48-f
S
Bit-Clock Rate
– 20-Hz – 20-kHz Flat Noise Floor for 44.1-, 48-,
– 128-, 192-, 256-, 384-, and 512-f
S
Master
88.2-, 96-, 176.4- and 192-kHz Data Rates
Clock Rates (Up to a Maximum of 50 MHz)
– Digital De-Emphasis for 32-kHz, 44.1-kHz
– Six PWM Audio Output Channels
and 48-kHz Data Rates
– Any Output Channel Can be Mapped to Any
– Intelligent AM Interference Avoidance
Output Pin
System Provides Clear AM Reception
– Supports Single-Ended and Bridge-Tied
– Optimized PWM Sequence for Click- and
Loads
Popless Start and Stop
– I
2
S Serial Audio Output
– Optimized PWM Sequence for Charging of
• Audio Processing
AC-Coupling Capacitors in Single-Ended
– Volume Control Range of 48 dB to – 100 dB
Configurations
– Master Volume Control from 24 dB to – 100
– Adjustable Modulation Limit From 93.8% to
dB in 0.5-dB Increments
99.2%
– Six Individual Channel Volume Controls
• General Features
With 24-dB to – 100-dB Attenuation in
– Automated Operation With Easy-to-Use
0.5-dB Increments
Control Interface
– Serial Output Can Be Produced by
– I
2
C Serial Control Slave Interface
Downmix of 5.1-Channel Input or Fourth
– Control Interface Operational Without
Serial Input
MCLK
– 5.1-Channel Downmix to 2.1 or 3.1 PWM
– Single 3.3-V Power Supply
Output Speaker System
– 38-Pin TSSOP Package
– Integrated Bass Management
– Two Programmable Biquads in Subwoofer
Channel
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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.
2 PurePath Digital is a trademark of Texas Instruments.
3 All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005 – 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.
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