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TA2020-020 PDF预览

TA2020-020

更新时间: 2024-01-28 20:23:06
品牌 Logo 应用领域
TRIPATH 消费电路商用集成电路音频放大器视频放大器
页数 文件大小 规格书
13页 295K
描述
Stereo 20W (4Ω) Class-T Digital Audio Amplifier using Digital Power Processing Technology

TA2020-020 技术参数

生命周期:Obsolete包装说明:ZIP, ZIP32,.1
Reach Compliance Code:unknown风险等级:5.82
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:R-PZIP-T32
功能数量:2端子数量:32
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:ZIP
封装等效代码:ZIP32,.1封装形状:RECTANGULAR
封装形式:IN-LINE电源:13.5 V
认证状态:Not Qualified子类别:Audio/Video Amplifiers
最大压摆率:75 mA表面贴装:NO
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:1.27 mm端子位置:ZIG-ZAG
Base Number Matches:1

TA2020-020 数据手册

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T E C H N I C A L I N F O R M A T I O N  
B
Stereo 20W (4) Class-T Digital Audio Amplifier using  
Digital Power ProcessingTM Technology  
TA2020-020  
September, 2000  
General Description  
The TA2020-020 is a 20W continuous average two-channel Class-T Digital Audio Power  
Amplifier IC using Tripath’s proprietary Digital Power ProcessingTM technology. Class-T  
amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D  
amplifiers.  
Applications  
Features  
¾ꢀDVD Players  
¾ꢀClass-T architecture  
¾ꢀSingle Supply Operation  
¾ꢀ“Audiophile” Quality Sound  
¾ꢀ0.03% THD+N @ 10W 4Ω  
¾ꢀ0.1% THD+N @12W 4Ω  
¾ꢀ0.18% IHF-IM @ 1W 4Ω  
¾ꢀMini/Micro Component Systems  
¾ꢀAutomotive Audio  
¾ꢀComputer / PC Multimedia  
¾ꢀCable Set-Top Products  
¾ꢀTelevisions  
¾ꢀBattery Powered Systems  
¾ꢀHigh Power  
¾ꢀ13W @ 8, 10% THD+N  
¾ꢀ23W @ 4, 10% THD+N  
¾ꢀ38W EIAJ* VDD=14.4V @ 4Ω  
Benefits  
¾ꢀFully integrated solution with FETs  
¾Easier to design-in than Class-D  
*saturated square wave output  
¾Reduced system cost with no heat sink  
¾ꢀDramatically improves efficiency versus  
Class-AB  
¾ꢀHigh Efficiency  
¾ꢀ88% @ 12W 8Ω  
¾ꢀ81% @ 20W 4Ω  
¾ꢀSignal fidelity equal to high quality linear  
amplifiers  
¾ꢀDynamic Range = 103 dB  
¾ꢀUp to 2X25Wrms @ 4, VDD=14.6V  
¾ꢀMute and Sleep inputs  
¾ꢀTurn-on & turn-off pop suppression  
¾ꢀOver-current protection  
¾ꢀOver-temperature protection  
¾ꢀBridged outputs  
¾ꢀHigh dynamic range compatible with  
digital media such as CD, DVD, and  
internet audio  
¾ꢀ32-pin SSIP package  
Typical Performance  
THD+N versus Output Power  
10  
5
VDD = 13.5V  
Av = 12  
f = 1kHz  
BW = 22Hz - 22kHz  
2
1
0.5  
0.2  
0.1  
RL= 4Ω  
RL= 8Ω  
0.05  
0.02  
0.01  
500m  
1
2
3
4
5
6
7 8 9 10  
20  
Output Power (W)  
1 of 13  
TA2020-020, Rev. 4.0, 09.00  

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