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| 型号： | TAS5704PAPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封装： | GREEN, PLASTIC, HTQFP-64 |
| 文件页数： | 1/38页 |
| 文件大小： | 735K |
| 代理商： | TAS5704PAPG4 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TAS5704PAPR | 功能描述:音频放大器 20W stereo Dig Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5704PAPRG4 | 功能描述:音频放大器 20W stereo Dig Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5705 | 制造商:TI 制造商全称:Texas Instruments 功能描述:20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC |
| TAS5705EVM2 | 功能描述:音频 IC 开发工具 TAS5705EVM2 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TAS5705PAP | 功能描述:音频放大器 20W stereo Dig Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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