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參數資料
| 型號： | TAS5704PAPRG4 |
| 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, PQFP64 |
| 封裝： | GREEN, PLASTIC, HTQFP-64 |
| 文件頁數： | 1/38頁 |
| 文件大小： | 735K |
| 代理商： | TAS5704PAPRG4 |
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www.ti.com
SLOS563A – MARCH 2008 – REVISED AUGUST 2010
20-W Stereo Digital Audio Power Amplifier With Feedback
Check for Samples: TAS5704
1
FEATURES
2
Audio Input/Output
Thermal and Short-Circuit Protection
–
20-W into an 8-
Load From an 18-V Supply
spacer
DESCRIPTION
–
Two Serial Audio Inputs (Four Audio
Channels)
The TAS5704 is a 20-W, efficient, digital audio power
amplifier for driving stereo bridge-tied speakers. Two
–
Supports Multiple Output Configurations:
serial data inputs allow processing of up to four
–
2-Ch Bridged Outputs (20 W × 2)
discrete audio channels and seamless integration to
–
4-Ch Single-Ended Outputs (10 W × 4)
most digital audio processors accepting a wide range
–
2-Ch Single-Ended + 1-Ch Bridged (2.1)
of
input
data
and
clock
rates.
A
hardware
configurable data path allows these channels to be
(10 W × 2 + 20 W)
routed to the internal speaker drivers or output via the
Closed Loop Power Stage Architecture
subwoofer PWM outputs.
–
Improved PSRR Reduces Power Supply
The TAS5704 is a slave-only device receiving all
Performance Requirements
clocks from external sources. The TAS5704 operates
–
Higher Damping Factor Provides for
at a 384-kHz switching rate for 32-, 48-, 96-, and
Tighter, More Accurate Sound With
192-kHz data, and at a 352.8 kHz switching rate for
Improved Bass Response
44.1-,
88.2-,
and
176.4-kHz
data.
The
8×
oversampling combined with the fourth-order noise
–
Lower EMC Emissions
shaper provides a flat noise floor and excellent
–
Output Power is Independent of Supply
dynamic range from 20 Hz to 20 kHz.
Voltage Variation
The
closed-loop
architecture
of
the
TAS5704
Wide PVCC Range From (10 V to 26 V)
provides several benefits. The high power supply
Supports 32-kHz–192-kHz (DVD-Audio) Sample
rejection enables superior audio performance from a
Rates (LJ/RJ/I2S)
noisy, low cost supply. The high damping factor
Line-Level Subwoofer PWM Outputs
allows
tighter
control
over
speaker
movement
resulting in an improved bass response. Finally,
Audio/PWM Processing (Hardware Controlled)
switching edge rate control lowers EMC emissions
–
4-Step Gain Control (-3dB, 3dB, 9dB, 12dB)
without sacrificing audio performance.
–
Soft Mute Control (50% Output Duty Cycle)
Factory-Trimmed Internal Oscillator Enables
Automatic Detection of Incoming Sample
Rates
1
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.
2
System Two, Audio Precision are trademarks of Audio Precision, Inc.
PRODUCTION DATA information is current as of publication date.
Copyright 2008–2010, Texas Instruments Incorporated
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TAS5705 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC |
| TAS5705EVM2 | 功能描述:音頻 IC 開發工具 TAS5705EVM2 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TAS5705PAP | 功能描述:音頻放大器 20W stereo Dig Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5705PAPG4 | 功能描述:音頻放大器 20W stereo Dig Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5705PAPR | 功能描述:音頻放大器 20W stereo Dig Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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