Tr i path Technol ogy, I nc. - Techni cal I nfor m ati on
鈩?/div>
), two channel Amplifier Driver
Module which uses Tripath鈥檚 proprietary Digital Power Processing (DPP
TM
)
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
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
Features
Class-T architecture
Proprietary Digital Power Processing
technology
Supports wide range of output power levels
鈥淎udiophile鈥?Quality Sound
0.05% THD+N @ 20W, 8鈩?/div>
0.03% IHF-IM @ 30W, 8鈩?/div>
80W @ 8鈩? 0.1% THD+N,
V
S
= +/-45V
150W @ 4鈩? 0.1% THD+N,
V
S
= +/-45V
High Power
100W @ 8鈩? 1% THD+N,
V
S
= +/-45V
170W @ 4鈩? 1% THD+N,
V
S
= +/-45V
High Efficiency
90% @ 85W @ 8鈩? V
S
=
+/-33.75V
88% @ 155W @ 4鈩?
V
S
= +/-33.75V
Dynamic Range = 108 dB
Requires only N-Channel MOSFET output
transistors
High power supply rejection ratio
Mute input
Outputs short circuit protected
Over- and under-voltage protection
Bridgeable, single-ended outputs
38-pin quad package
Supports 100kHz BW of Super Audio CD and
DVD-Audio (refer to Application Note for specifics)
Typical Performance
THD+N versus Output Power
10
5
20Hz - 22kHz BW
f = 1kHz
BBM = 25nS
Vs = +/-45V
Av = 14.8
ST STP19NB20 MOSFET
2
1
THD+N (%)
0.5
0.2
R
L
= 8鈩?/div>
0.1
0.05
R
L
= 4鈩?/div>
0.02
0.01
1
2
5
10
20
50
100
200
Output Power (W)
1
TA102A 鈥揜ev.3.1/06.01
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