Datasheet > TA0103A

TA0103A

更新时间： 2024-09-24 03:29:11

品牌	Logo	应用领域
TRIPATH		驱动器音频放大器
页数	文件大小	规格书
18页	262K
描述
Stereo 250W (4з) Class-T Digital Audio Amplifier Driver using Digital Power Processing (DPPTM) Technology

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TA0103A 数据手册

Tripath Technology, Inc. - Technical Information

TA0103A

Stereo 250W (4Ω) Class-T Digital Audio Amplifier Driver using

Digital Power Processing (DPP^TM) Technology

T e c h n i c a l I n f o r m a t i o n

R e vi s i o n 3 . 3 - J u n e 2 0 0 0

G E N E R A L D E S C R I P T I O N

T he T A0103A is a 250W continuous average (4Ω ), two channel Amplifier Driver

Module which uses T ripath’s proprietary Digital Power Processing (DPP^{T M}

)

technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the

power efficiency of Class-D amplifiers.

ꢀ

“Audiophile” Sound Quality

Applications

ꢀ

0.04% THD+N @ 55W, 8Ω

ꢀ

Audio/Video

0.03% IHF-IM @ 36W, 8Ω

Amplifiers/Receivers

Pro-audio Amplifiers

Automobile Power Amplifiers

Subwoofer Amplifiers

Home/PC Speaker Systems

140W @ 8Ω, 0.1% THD+N, V_S= +54V

250W @ 4Ω, 0.1% THD+N, V_S= +54V

ꢀ

High Power

ꢀ

150W @ 8Ω, 1% THD+N, V_S= +54V

300W @ 4Ω, 1% THD+N, V_S= +54V

Benefits

High Efficiency

ꢀ

Reduced system cost with smaller/less

ꢀ

92% @ 155W @ 8Ω, V_S= +45V

expensive power supply and heat sink

Signal fidelity equal to high quality Class-

AB amplifiers

90% @ 275W @ 4Ω, V_S= +45V

ꢀ

Dynamic Range = 106 dB

Requires only N-Channel MOSFET output

transistors

High dynamic range compatible with

digital media such as CD and DVD

ꢀ

High power supply rejection ratio

Mute input

Features

Outputs short-circuit protected

Over- and under-voltage protection

Bridgeable, single-ended outputs

38-pin quad package

ꢀ

Class-T architecture

Proprietary Digital Power Processing

technology

Supports wide range of output power

levels

Supports 100kHz BW of Super Audio CD and

DVD-Audio (refer to Application Note for

specifics)

TYPICAL PERFORMANCE

THD+N versus Output Power

20Hz - 22kHz BW

f = 1kHz

BBM = 65nS

Vs = +/-54V

Av = 20.75

ST STW38NB20 MOSFET

0.5

0.2

R_L= 8

Ω

0.1

0.05

R_L= 4

Ω

0.02

0.01

100

200

Output Power (W)

TA0103 – Rev 3.3/06.00

12 3 4 5 6 7...18

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