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參數資料
型號: TA2021B
廠商: Electronic Theatre Controls, Inc.
元件分類: 運動控制電子
英文描述: STEREO 25W (4OHM) CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSING (DPP) TECHNOLOGY
中文描述: 立體聲25瓦(4Ω)類- T的數字音頻放大器驅動程序使用數字功率處理(民進黨)科技
文件頁數: 1/12頁
文件大小: 268K
代理商: TA2021B
Tripath Technology, Inc. - Technical Information
1
TA2021B – 4.0/07.03
TA2021B
STEREO 25W (4
) CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER
USING DIGITAL POWER PROCESSING (DPP) TECHNOLOGY
Technical Information
Re vision 4.0 – Jul y 2003
General Description
The TA2021B is a 25W (4
) continuous average per channel Class-T Digital Audio Power Amplifier IC
using Tripath’s proprietary Digital Power Processing (DPP
) technology. Class-T amplifiers offer both
the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.
Applications
DVD Receivers
Mini/Micro Component Systems
Computer / PC Multimedia
Cable Set-Top Products
Televisions
Battery Powered Systems
Benefits
Fully integrated solution with internal FETs
Easier to design-in than Class-D
Dramatically improves efficiency versus Class-AB
amplifiers
Signal fidelity equal to high quality linear
amplifiers
High dynamic range compatible with digital media
such as CD and DVD, and internet audio
Typical Performance
THD+N vs Output Power
10
5
Av=12V/V
BW=22-22kHz
0.01
0.02
0.05
0.1
0.2
0.5
1
2
T
600m
20
1
2
3
4
5
6
7
8
9
Output Power (W)
VDD=14.2V
Features
Class-T architecture
Single Supply Operation
“Audiophile” Quality Sound
0.05% THD+N @ 13W 4
0.1% THD+N @15.5W 4
0.1% IHF-IM @ 1W 4
High Power
25W @ 4
, 10% THD+N, V
DD
=14.6V
23.5W @ 4
, 10% THD+N, V
DD
=14.2V
14W @ 8
, 10% THD+N, V
DD
=14.2V
High Efficiency
88% @ 13.5W 8
81% @ 25W 4
Dynamic Range = 100 dB
Mute and Sleep inputs
Turn-on & turn-off pop suppression
Over-current protection
Over-temperature protection
Bridged outputs
36-pin PSOP “Slug-Up” package
RL=8
RL=4
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相關代理商/技術參數
參數描述
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