TA2020-020 Datasheet

IC型號：
TA2020-020
PDF描述：
Stereo 20W (4з) Class-T Digital Audio Amplifier using Digit...
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295.30KB
PDF頁數(shù)：
13頁
芯片廠家：
ETC

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TECHNICAL INFORMATION

Stereo 20W (4鈩? Class-T Digital Audio Amplifier using

鈩?/div>

Digital Power Processing

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鈥檚 proprietary Digital Power Processing technology. Class-T

amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D

amplifiers.

Applications

DVD Players

Mini/Micro Component Systems

Automotive Audio

Computer / PC Multimedia

Cable Set-Top Products

Televisions

Battery Powered Systems

Features

Class-T architecture

Single Supply Operation

鈥淎udiophile鈥?Quality Sound

0.03% THD+N @ 10W 4鈩?/div>

0.1% THD+N @12W 4鈩?/div>

0.18% IHF-IM @ 1W 4鈩?/div>

High Power

13W @ 8鈩? 10% THD+N

23W @ 4鈩? 10% THD+N

38W EIAJ* VDD=14.4V @

4鈩?/div>

*saturated square wave output

Benefits

Fully integrated solution with FETs

Easier to design-in than Class-D

Reduced system cost with no heat sink

Dramatically improves efficiency versus

Class-AB

Signal fidelity equal to high quality linear

amplifiers

High dynamic range compatible with

digital media such as CD, DVD, and

internet audio

High Efficiency

88% @ 12W 8鈩?/div>

81% @ 20W 4鈩?/div>

Dynamic Range = 103 dB

Up to 2

25Wrms @ 4鈩? V

=14.6V

Mute and Sleep inputs

Turn-on & turn-off pop suppression

Over-current protection

Over-temperature protection

Bridged outputs

32-pin SSIP package

Typical Performance

THD+N versus Output Power

VDD = 13.5V

Av = 12

f = 1kHz

BW = 22Hz - 22kHz

THD+N (%)

0.5

0.2

0.1

0.05

0.02

0.01

500m

5 6 7 8 9 10

= 8鈩?/div>

= 4鈩?/div>

Output Power (W)

1 of 13

TA2020-020, Rev. 4.0, 09.00

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