TAA4100A

Tri path Technol og y, I nc. - Techni cal I nformati on TAA4100A FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING (DPP T M ) T ECHNOLOGY Technical Information Revision 1.0 – November 2005 GENERAL DESCRIPTION The TAA4100A 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 TAA4100A 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 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 Two ohm stable for automotive battery voltage range 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 TAA4100A – KL/ Rev. 1.0/11.05 Tri path Technol og y, I nc. - Techni cal I nformati on Absolute Maximum Ratings (Note 1) SYMBOL VPP VPPMAX VPPAM VINRANGE TSTORE IR Tj PD ESD ESD Supply Voltage Peak Supply Voltage (t 2.5ms, tpulse