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FEATURES

TAS5086

www.ti.com ................................................................................................................................................... SLES131C – FEBRUARY 2005 – REVISED JUNE 2008

PurePath Digital™ AUDIO SIX-CHANNEL PWM PROCESSOR

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Full Six-Channel Input and Output Mapping

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• Audio Input/Output

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Selectable DC Blocking Filters

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Automatic Master Clock Rate and Data

• PWM Processing

Sample Rate Detection

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8× Oversampling With Fourth-Order Noise

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Four Serial Audio Inputs (Eight Channels)

Shaping at 44.1, 48 kHz; 4× Oversampling

at 88.2, 96 kHz; 2× Oversampling at 176.4,

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Support for 32-, 44.1-, 48-, 88.2-, 96-, 176.4-,

192 kHz; and 12× Oversampling at 32 kHz

and 192-kHz Sampling Rates

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≥105-dB Dynamic Range

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Data Formats: 16-, 20-, or 24-Bit Input Data;

(TAS5086+TAS5186)

Left-Justified, Right-Justified, and I2S

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THD < 0.06% (TAS5086 Only)

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64- or 48-fS Bit-Clock Rate

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20-Hz–20-kHz Flat Noise Floor for 44.1-, 48-,

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128-, 192-, 256-, 384-, and 512-fS Master

88.2-, 96-, 176.4- and 192-kHz Data Rates

Clock Rates (Up to a Maximum of 50 MHz)

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Digital De-Emphasis for 32-kHz, 44.1-kHz

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Six PWM Audio Output Channels

and 48-kHz Data Rates

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Any Output Channel Can be Mapped to Any

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Intelligent AM Interference Avoidance

Output Pin

System Provides Clear AM Reception

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Supports Single-Ended and Bridge-Tied

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Optimized PWM Sequence for Click- and

Loads

Popless Start and Stop

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I2S Serial Audio Output

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Optimized PWM Sequence for Charging of

• Audio Processing

AC-Coupling Capacitors in Single-Ended

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Volume Control Range of 48 dB to –100 dB

Configurations

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Master Volume Control from 24 dB to –100

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Adjustable Modulation Limit From 93.8% to

dB in 0.5-dB Increments

99.2%

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Six Individual Channel Volume Controls

• General Features

With 24-dB to –100-dB Attenuation in

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Automated Operation With Easy-to-Use

0.5-dB Increments

Control Interface

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Serial Output Can Be Produced by

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I2C Serial Control Slave Interface

Downmix of 5.1-Channel Input or Fourth

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Control Interface Operational Without

Serial Input

MCLK

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5.1-Channel Downmix to 2.1 or 3.1 PWM

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Single 3.3-V Power Supply

Output Speaker System

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38-Pin TSSOP Package

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Integrated Bass Management

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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.

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PurePath Digital is a trademark of Texas Instruments.

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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.