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參數資料
| 型號： | TAS5122DFDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 37 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO56 |
| 封裝： | POWERPAD, PLASTIC, TSSOP-56 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 313K |
| 代理商： | TAS5122DFDR |
TAS5122
SLES088C AUGUST 2003 REVISED NOVEMBER 2003
30W STEREO DIGITAL AMPLIFIER POWER STAGE
FEATURES
D 2 × 30 W (BTL) Into 6 at 1 kHz (DFD Pad-Up
Package)
DCA Package (Pad-Down) Recommended
for Lower-Power Applications
D 95 dB Dynamic Range (in System With
TAS5026)
D < 0.2% THD+N (in System – 30 W RMS Into
6-
Resistive Load)
D Device Power Efficiency Typical >90% Into
6-
Load
D Self-Protection Design (Including
Undervoltage, Overtemperature, and Short
Conditions) With Error Reports
D Internal Gate Drive Supply Voltage Regulator
D EMI Compliant When Used With
Recommended System Design
APPLICATIONS
D DVD Receiver
D Home Theatre
D Mini/Micro Component Systems
D Internet Music Appliance
DESCRIPTION
The TAS5122 is a high-performance, integrated stereo
digital amplifier power stage designed to drive 6-
speakers at up to 30 W per channel (DFD package). The
device incorporates TI’s PurePath Digital
t technology
and is used in conjunction with a digital audio PWM
processor (TAS50XX) and a simple passive demodulation
filter to deliver high-quality, high-efficiency, true-digital
audio amplification.
The efficiency of this digital amplifier is typically greater
than 90%, reducing the size of both the power supplies and
heat sinks needed. Overcurrent protection, overtemper-
ature protection, and undervoltage protection are built into
the TAS5122, safeguarding the device and speakers
against fault conditions that could damage the system.
f Frequency Hz
20
100
1k
10k
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
0.01
0.1
1
20k
RL = 6
TC = 75°C
THD + NOISE vs FREQUENCY
PO = 1 W
PO = 10 W
PO Output Power W
40m
100m
10
40
0.01
0.1
1
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
THD + NOISE vs OUTPUT POWER
RL = 6
TC = 75°C
1
PO = 30 W
PurePath Digital and PowerPAD are trademarks of Texas Instruments.
Other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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.
www.ti.com
Copyright
2003, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TAS5122DFDRG4 | 功能描述:音頻放大器 Digital Amplifier Power Stage 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 |
| TAS5132 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5132_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5132_0702 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5132DDV | 功能描述:音頻放大器 Stereo 20W Pwrstage 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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