IC DGTL AUDIO PWM PROC 64-TQFP

TAS5508APAG

Manufacturer Part NumberTAS5508APAG
DescriptionIC DGTL AUDIO PWM PROC 64-TQFP
ManufacturerTexas Instruments
TypePWM Processor
TAS5508APAG datasheet
 


Specifications of TAS5508APAG

ApplicationsDVDMounting TypeSurface Mount
Package / Case64-TQFP, 64-VQFPFor Use WithTAS5342DDV6EVM - TAS5342DDV6EVMTAS5508-5142K7EVM - EVAL MODULE FOR TAS5508B/TAS5142TAS5508-5122C6EVM - EVAL MODULE FOR TAS5508B/TAS5122TAS5508-5121K8EVM - EVAL MODULE FOR TAS5508B/TAS5121
Lead Free Status / RoHS StatusLead free / RoHS CompliantOther names296-17475
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1
Introduction
1.1
Features
General Features
– Automated Operation With an Easy-to-Use
Control Interface
2
– I
C Serial-Control Slave Interface
– Integrated AM Interference-Avoidance
Circuitry
– Single, 3.3-V Power Supply
– 64-Pin TQFP Package
– 5-V Tolerant Inputs
Audio Input/Output
– Automatic Master Clock Rate and Data
Sample Rate Detection
– Eight Serial Audio Input Channels
– Eight PWM Audio Output Channels
Configurable as Six Channels With Stereo
Lineout or Eight Channels
– Line Output Is a PWM Output to Drive an
External Differential-Input Operational
Amplifier
– Headphone PWM Output to Drive an
External Differential Amplifier Like the
TPA112
– PWM Outputs Support Single-Ended and
Bridge-Tied Loads
– 32-, 38-, 44.1-, 48-, 88.2-, 96-, 176.4-, and
192-kHz Sampling Rates
– Data Formats: 16-, 20-, or 24-Bit
2
Left-Justified, I
S, or Right-Justified Input
Data
– 64-f
Bit-Clock Rate
S
– 128-, 192-, 256-, 384-, 512-, and 768-f
Master Clock Rates (Up to a Maximum of
50 MHz)
Audio Processing
– 48-Bit Processing Architecture With 76 Bits
of Precision for Most Audio-Processing
Features
– Volume Control Range 36 dB to –127 dB
Master Volume Control Range of 18 dB
to –100 dB
Eight Individual Channel Volume Control
Ranges of 18 dB to –127 dB
– Programmable Soft Volume and Mute
Update Rates
A
A
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 document.
PurePath Digital is a trademark of Texas Instruments.
Matlab is a trademark of Math Works, Inc.
All other trademarks are the property of their respective owners.
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.
8-Channel Digital Audio PWM Processor
SLES119A – FEBRUARY 2004 – REVISED JULY 2009
– Four Bass and Treble Tone Controls With
18-dB Range, Selectable Corner
Frequencies, and Second-Order Slopes
– L, R, and C
LS, RS
LR, RR
Sub
– Configurable Loudness Compensation
– Two Dynamic Range Compressors With
Two Thresholds, Two Offsets, and Three
Slopes
– Seven Biquads Per Channel
– Full 8 8 Input Crossbar Mixer. Each
Signal-Processing Channel Input Can Be
Any Ratio of the Eight Input Channels.
– 8 2 Output Mixer – Channels 1–6. Each
Output Can Be Any Ratio of Any Two
Signal-Processed Channels.
– 8 3 Output Mixer – Channels 7 and 8. Each
Output Can Be Any Ratio of Any Three
Signal-Processed Channels.
– Three Coefficient Sets Stored on the Device
Can Be Selected Manually or Automatically
(Based on Specific Data Rates).
– DC Blocking Filters
– Able to Support a Variety of Bass
Management Algorithms
PWM Processing
– 32-Bit Processing PWM Architecture With
40 Bits of Precision
– 8 Oversampling With Fifth-Order Noise
S
Shaping at 32 kHz–48 kHz, 4
Oversampling at 88.2 kHz and 96 kHz, and
2 Oversampling at 176.4 kHz and 192 kHz
– >102-dB Dynamic Range
– THD+N < 0.1%
– 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-, 44.1-, and
48-kHz Data Rates
– Flexible Automute Logic With
Programmable Threshold and Duration for
Noise-Free Operation
– Intelligent AM Interference-Avoidance
System Provides Clear AM Reception
Copyright © 2004–2009, Texas Instruments Incorporated
TAS5508A