TA1101B Datasheet

IC型號(hào)：
TA1101B
PDF描述：
Stereo 10W (4з) Class-T⑩ Digital Audio Amplifier using Dig...
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TECHNICAL INFORMATION

Stereo 10W (4鈩? Class-T鈩?Digital Audio Amplifier using

鈩?/div>

Digital Power Processing鈩?Technology

TA1101B

September 2000

General Description

The TA1101B is a 10W continuous average two-channel Class-T Digital Audio Power

Amplifier IC using Tripath鈥檚 proprietary Digital Power Processing鈩?technology. Class-T

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

amplifiers.

Applications

!"Computer/PC

Multimedia

!"DVD

Players

!"Cable

Set-Top Products

!"Televisions

!"Video

CD Players

!"Battery

Powered Systems

Features

!"Class-T

architecture

!"Single

Supply Operation

!"鈥淎udiophile鈥?/div>

Quality Sound

!"0.04%

THD+N @ 9W, 4鈩?/div>

!"0.18%

IHF-IM @ 1W, 4鈩?/div>

!"6W

@ 8鈩? 0.1% THD+N

!"11W

@ 4鈩? 0.1% THD+N

!"High

Power

!"10W

@ 8鈩? 10% THD+N

!"15W

@ 4鈩? 10% THD+N

!"High

Efficiency

!"88%

@ 10W, 8鈩?/div>

!"81%

@ 15W, 4鈩?/div>

!"Dynamic

Range = 102 dB

!"Mute

and Sleep inputs

!"Turn-on

& turn-off pop suppression

!"Over-current

protection

!"Over-temperature

protection

!"Bridged

outputs

!"30-pin

Power SOP package

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

Typical Performance

THD+N versus Output Power

VDD = 12V

f = 1kHz

Av = 12

BW = 22Hz - 22kHz

THD+N (%)

0.5

0.2

0.1

0.05

= 8鈩?/div>

= 4鈩?/div>

0.02

0.01

500m

Output Power (W)

TA1101B, Rev. 2.2, 08.17.00

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