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:
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| 4x100W FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER |
