Tri path Technol og y, I nc. - Techni cal I nformati on
TAA4100
FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING
DIGITAL POWER PROCESSING (DPP
T M
) TECHNOLOGY
Preliminary Information
Revision 0.97 – April 2005
GENERAL DESCRIPTION
The TAA4100 is a four-channel Audio Amplifier that uses Tripath’s 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. The TAA4100 has been designed specifically for automotive
head unit applications and is configured with four bridged outputs operating on a single 10-26V
supply.
APPLICATIONS
FEATURES
Automotive Head Units
Automotive Amplifiers
DVD Receivers
Multimedia Speaker Systems
BENEFITS
4-channel (400W) solution – with integrated
FETs - in a single 32-pin SSIP package
High fidelity, high efficiency Class-T
Low external component count
Single-supply operation
C lass- T architec ture
Four H-Bridge outputs
“Audiophile” Sound Quality
High Efficiency
High Power @25.0V
100W
sat. sq. wave
@ 4Ω
80W @ 4Ω, 10% THD+N
“Audiophile” Quality Sound
0.01% THD+N @ 40W 4Ω
0.01% IHF-IM @ 1W 4Ω
High Efficiency
88% @ 100W 4Ω
AM “Low EMI” mode
Pop-Free startup and shutdown
High Dynamic Range
Mute and Stand-By function
Automatic DC Offset Trim
Clip Detection Output
Protection Modes:
Output Short to VPP and Ground
Output Short across Load
Load Dump Protection
Over-/Under-Voltage Protection
Over-current Protection
Over-temperature Protection
Fortuitous Open Ground
1
TAA4100 – KL/ Rev. 0.97/04.05
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
