TA3020 Datasheet

IC型號(hào)：
TA3020
PDF描述：
Stereo 300W (4з) Class-T Digital Audio Amplifier Driver usi...
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TECHNICAL INFORMATION

Stereo 300W (4鈩? Class-T Digital Audio Amplifier Driver

鈩?/div>

using Digital Power Processing

Technology

TA3020

PRELIMINARY 鈥?January 2001

General Description

The TA3020 is a two-channel, 300W (4鈩? per channel Amplifier Driver IC that uses Tripath鈥檚

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

!"Audio/Video

Amplifiers & Receivers

!"Pro-audio

Amplifiers

!"Automobile

Power Amplifiers

!"Subwoofer

Amplifiers

Features

!"Class-T

architecture

!"Proprietary

Digital Power Processing technology

!"鈥淎udiophile鈥?/div>

Sound Quality

!"0.02%

THD+N @ 50W, 8鈩?/div>

!"0.03%

IHF-IM @ 30W, 8鈩?/div>

!"High

Efficiency

!"95%

@ 150W @ 8鈩?/div>

!"90%

@ 275W @ 4鈩?/div>

!"Supports

wide range of output power levels

!"Up

to 300W/channel (4鈩?, single-ended outputs

!"Up

to 1000W (4鈩?, bridged outputs

!"Output

over-current protection

!"Over-

and under-voltage protection

!"48-pin

DIP (dual-inline package)

Benefits

!"Reduced

system cost with

smaller/less expensive power

supply and heat sink

!"Signal

fidelity equal to high quality

Class-AB amplifiers

!"High

dynamic range compatible

with digital media such as CD and

DVD

Typical Performance

THD+N versus Output Power versus Supply Voltage

= 4鈩?/div>

f = 1kHz

BBM = 80nS

BW = 22Hz - 22kHz

39V

45V

54V

THD+N (%)

0.5

0.2

0.1

0.05

0.02

0.01

100

200

500

Output Power (W)

TA3020, Rev 2.1, 01.01

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