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TAS5086

SLES131A – FEBRRUARY 2005 – REVISED MAY 2006

PurePath Digital™ AUDIO SIX-CHANNEL PWM PROCESSOR

•

PWM Processing

•

Audio Input/Output

– 8

Shaping at 44.1, 48 kHz; 4

× Oversampling

– Automatic Master Clock Rate and Data

at 88.2, 96 kHz; 2

× Oversampling at 176.4,

Sample Rate Detection

192 kHz; and 12

× Oversampling at 32 kHz

– Four Serial Audio Inputs (Eight Channels)

–

≥105-dB Dynamic Range

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

(TAS5086+TAS5186)

and 192-kHz Sampling Rates

– THD < 0.06% (TAS5086 Only)

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

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

48-, 88.2-, 96-, 176.4- and 192-kHz Data

Rates

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

Clock Rates (Up to a Maximum of 50 MHz)

and 48-kHz Data Rates

– Six PWM Audio Output Channels

– Intelligent AM Interference Avoidance

– Any Output Channel Can be Mapped to Any

System Provides Clear AM Reception

Output Pin

– Adjustable Modulation Limit From 93.8% to

– Supports Single-Ended and Bridge-Tied

99.2%

Loads

•

General Features

– Automated Operation With Easy-to-Use

•

Audio Processing

Control Interface

– Volume Control Range 48 dB to –100 dB

– Master Volume Control 24 dB to –100 dB in

– Control Interface Operational Without

0.5-dB Increments

MCLK

– Six Individual Channel Volume Controls

– Single 3.3-V Power Supply

With 24-dB to –100-dB Attenuation in

– 38-Pin TSSOP Package

0.5-dB Increments

– Serial Output Can be Produced by

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.

Copyright © 2005–2006, 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.