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TAS5706PAPR Datasheet(PDF) 33 Page - Texas Instruments

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Part # TAS5706PAPR
Description  20-W Stereo Digital Audio Power Amplifier with EQ and DRC
PDF  62 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5706PAPR Datasheet(HTML) 33 Page - Texas Instruments

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Dynamic Range Control (DRC)
S
Z
–1
AlphaFilterStructure
w
a
B0265-01
Energy
Filter
a w
,
T,K,O
a
w
a,
a
d
d
/
,
a
w
DRC1
DRC2
0x3A
0x40,0x41,0x42
0x3B/0x3C
0x3E/0x3F
0x43,0x44,0x45
0x3D
Compression
Control
Attack
and
Decay
Filters
AudioInput
DRCCoefficient
TAS5706
SLOS550A – DECEMBER 2007 – REVISED DECEMBER 2007
The DRC scheme has a single threshold, offset, and slope (all programmable). There is one ganged DRC for the
left/right channels and one DRC for the subwoofer channel.
The DRC input/output diagram is shown in Figure 44.
Professional-quality dynamic range compression automatically adjusts volume to flatten volume level.
• One DRC for left/right and one DRC for subwoofer
• Each DRC has adjustable threshold, offset, and compression levels
• Programmable energy, attack, and decay time constants
• Transparent compression: compressors can attack fast enough to avoid apparent clipping before engaging,
and decay times can be set slow enough to avoid pumping.
Figure 44. Dynamic Range Control
Figure 45. DRC Structure
Copyright © 2007, Texas Instruments Incorporated
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33
Product Folder Link(s): TAS5706



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