參數(shù)資料
型號: TAS5709AGPHPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝: 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件頁數(shù): 21/60頁
文件大?。?/td> 1210K
代理商: TAS5709AGPHPR
Dynamic Range Control (DRC)
O
u
tp
ut
L
ev
e
l
(d
B
)
Input Level (dB)
T
O
K
M0091-02
1:1 TransferFunction
Implemented TransferFunction
S
Z
–1
AlphaFilterStructure
w
a
B0265-01
Energy
Filter
a w
,
T,K,O
a
w
a,
a
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
NOTE:
=1 –
w
α
SLOS599A – NOVEMBER 2008 – REVISED SEPTEMBER 2009 ..................................................................................................................................... www.ti.com
The DRC scheme has a single threshold, offset, and slope (all programmable). There is one ganged DRC for the
high-band left/right channels and one DRC for the low-band left/right channels.
The DRC input/output diagram is shown in Figure 31.
Refer to GDE software tool for more description on T, K, and O parameters.
Professional-quality dynamic range compression automatically adjusts volume to flatten volume level.
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 31. Dynamic Range Control
T = 9.23 format, all other DRC coefficients are 3.23 format
Figure 32. DRC Structure
28
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TAS5709 TAS5709A
相關(guān)PDF資料
PDF描述
TAS5709AGPHP 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
TAS5709APHPR 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
TAS5709APHP 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
TAS5709PHPG4 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
TAS5709PHPRG4 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5709APHP 功能描述:音頻放大器 20W Stereo I2S Aud Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5709APHPR 功能描述:音頻放大器 20W Stereo I2S Aud Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5709EVM 功能描述:音頻 IC 開發(fā)工具 TAS5709EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
TAS5709PHP 功能描述:音頻放大器 20W Stereo I2S input Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TAS5709PHPG4 功能描述:音頻放大器 20W Stereo I2S input Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel