TAS5548 datasheet(2/120 Pages) TI

2 / 120 page

TAS5548

www.ti.com

SLES270 – NOVEMBER 2012

8-Channel HD Compatible Audio Processor with ASRC and PWM Output

Check for Samples: TAS5548

Introduction

1.1

Features

• General Features

• Audio Processing

– 8ch Asynchronous Sample Rate Converter

– Volume Control Range 18 dB to –127 dB

(Master and Eight Channel Volume)

– 8 Channel Audio Processing for 32-192 kHz

(ARSC to 96kHz)

– Bass and Treble Tone Controls With ±18-dB

Range, Selectable Corner Frequencies

– 4 Channel Native Audio Processing at

192kHZ

– Configurable Loudness Compensation

– 30 kHz Audio Bandwidth for DTS-HD

– Two Dynamic Range Compressors With Two

Compatibility

Thresholds, Two Offsets, and Three Slopes

– Energy Manager for Overall System Power

– Seven Biquads Per Channel

Control

• PWM Processing

– Power Supply Volume Control

– >105-dB Dynamic Range

• Audio Input/Output

– THD+N < 0.1% (0–40 kHz)

– Up to Five Synchronous Serial Audio Inputs

– 20-Hz–40-kHz, Flat Noise Floor for 32KHz -

(10 Channels)

192KHz

– Up to One Synchronous Serial Audio

– Flexible Automute Logic With Programmable

Outputs (2 Channels)

Threshold and Duration for Noise-Free

– I2S Master Mode When Used With External

Operation

Crystal

– Power-Supply Volume Control (PSVC) in

– Slave Mode 32-192KHz With Auto/Manual

High-Performance Applications

Sample Rate Detection

– Adjustable Modulation Limit

– Eight Differential PWM Output That can

Support AD or BD Modulation

– Two Differential PWM Headphone Outputs

– I2S Out for External Wireless Sub

– PWM Output Supports Single Ended (S.E.) or

Bridge Tied Load (BTL)

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.

Matlab is a trademark of Math Works, Inc.

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.

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