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Tuesday, September 9, 2014

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

Sunday, September 7, 2014

2 X 200W STEREO CLASS T DIGITAL AUDIO AMPLIFIER TDA2075A

GENERAL DESCRIPTION

The TDA2075A is a two-channel, amplifier driver, that uses Tripath’s proprietary Digital Power Processing (DPPTM) technology. The TDA2075A offers higher integration over previous Tripath amplifiers driver chipsets while providing exceptional audio performance for real world applications. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. The TDA2075A is typically configured as a split-supply, single-ended, stereo amplifier. The TDA2075A can also be configured single-supply, single-ended, stereo amplifier, via external component choice. For applications that require bridged output drive, please refer to the TDA1400.

Applications

Powered DVD Players
Mini-Compo Systems
Audio/Video Amplifiers & Receivers
Multimedia Speakers

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 with proprietary DPP
“Audiophile” Sound Quality
Full Audio Bandwidth, 20Hz to 20kHz
High Efficiency
Supports wide range of output power levels and output loads by changing supply voltage and external Mosfets.
Compatible with unregulated power supplies
Output over-current protection
Over- and under-voltage protection
Over-temperature protection
48-Pin LQFP Package

Circuit Diagram:

2x200W Power Amplifier circuit TDA2075A