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參數資料
| 型號： | TAS5705PAPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封裝： | 10 X 10 MM, GREEN, PLASTIC, HTQFP-64 |
| 文件頁數： | 1/72頁 |
| 文件大?。?/td> | 1168K |
| 代理商： | TAS5705PAPRG4 |
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www.ti.com ................................................................................................................................................ SLOS549A – JUNE 2008 – REVISED SEPTEMBER 2009
20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
Check for Samples: TAS5705
1
FEATURES
Sample Rates
23
Audio Input/Output
–
Thermal and Short-Circuit Protection
–
20-W Into an 8-
Load From an 18-V Supply
Benefits
–
Wide Power-Supply Range From (8 V to
–
EQ: Speaker Equalization Improves Audio
23 V)
Performance
–
Efficient Class-D Operation Eliminates
–
DRC: Dynamic Range Compression.
Need for Heat Sinks
Enables Power Limiting, Speaker
Protection, Easy Listening, Night-Mode
–
Requires Only Two Power-Supply Rails
Listening
–
Two Serial Audio Inputs (Four Audio
–
Autobank Switching: Preload Coefficients
Channels)
for Different Sample Rates. No Need to
–
Supports 32-kHz–192-kHz Sample Rates
Write Any Coefficients to the Part When
(LJ/RJ/I2S)
Sample Rate Changes.
–
Headphone PWM Outputs
–
Autodetect: Automatically Detects
–
Subwoofer PWM Outputs
Sample-Rate Changes. No Need for
Audio/PWM Processing
External Microprocessor Intervention
–
Independent Channel Volume Controls With
24-dB to –100-dB Range
DESCRIPTION
–
Soft Mute (50% Duty Cycle)
The TAS5705 is a 20-W, efficient, digital audio power
amplifier for driving stereo bridge-tied speakers. Two
–
Programmable Dynamic Range Control
serial data inputs allow processing of up to four
–
16 Adaptable Biquads for Speaker EQ
discrete audio channels and seamless integration to
–
Seven Biquads for Left and Right
most digital audio processors and MPEG decoders.
Channels
The device accepts a wide range of input data and
clock rates. A fully programmable data path allows
–
Two Biquads for Subwoofer Channel
these channels to be routed to the internal speaker
–
Adaptive Coefficients for DRC Filters
drivers or output via the line-level subwoofer or
–
Programmable Input and Output Mixers
headphone PWM outputs.
–
DC Blocking Filters
The TAS5705 is a slave-only device receiving clocks
–
Loudness Compensation for Subwoofer
from external sources. The TAS5705 operates at a
384-kHz switching rate for 32-, 48-, 96-,and 192-kHz
–
Automatic Sample Rate Detection and
data and 352.8-kHz switching rate for 44.1-, 88.2-
Coefficient Banking for DRC and EQ
and 176.4-kHz data. The 8× oversampling combined
General Features
with the fourth-order noise shaper provides a flat
–
Serial Control Interface Operational Without
noise floor and excellent dynamic range from 20 Hz
MCLK
to 20 kHz.
–
Factory-Trimmed Internal Oscillator
Enables Automatic Detection of Incoming
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
PurePath Digital is a trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2008–2009, 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 |
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| TAS5706APAP | 功能描述:音頻放大器 20W stereo Digital 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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