Datasheet

TAS5548
www.ti.com SLES270 –NOVEMBER 2012
8-Channel HD Compatible Audio Processor with ASRC and PWM Output
Check for Samples: TAS5548
1 Introduction
1.1 Features
12
• 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)
1
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PRODUCTION DATA information is current as of publication date. Products conform to
Copyright © 2012, Texas Instruments Incorporated
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.