4x100W FOUR CHANNEL CLASS T DIGITAL AUDIO AMPLIFIER

General Description:

The TAA4100 is a four-channel Audio Amplifier that uses Tripath’s proprietary Digital Power 

Processing (DPPTM) 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:

• 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 

Features:

• Class-T architecture 
• Four H-Bridge outputs 
• “Audiophile” Sound Quality 
• High Efficiency 
• High Power @25.0V 
• 100Wsat. 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 

Circuit diagram:

4x100W FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER