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2006-07-12 Toshiba audio power amp gives 21W per channel
Toshiba America's first Class-D audio power amplifier IC, the TB2924FG, delivers up to 21W per channel in a heatsink-free design for audio consumer electronics applications.
2005-06-03 TI power amplifier matches sound quality with high-quality image
The new digital-input Class-D audio power amplifier for flat panel displays from TI enables designers to develop products with sound quality that matches the display's high-quality image, while minimizing cost and component count
2005-01-18 TI audio power amplifier with 80% lower noise floor
TI introduced a high-performance, filter-free stereo Class-D audio power amplifier.
2003-09-23 TI audio power amp has dc volume control
Expanding its portfolio of audio power amplifiers for LCD flat panel displays, Texas Instruments has introduced what it claims is the industry's first 5V filter-free class-D audio power amplifier.
2008-09-23 IR rolls Class D audio power amplifier reference design
IR has introduced the IRAUDAMP7 reference design for Class D audio amplifiers above 25W per channel including home theatre applications, musical instruments and car entertainment
1999-06-29 High-efficiency audio amplification using class-D audio power amplifiers
The paper deals with audio amplifiers based on a Class-D topology, its advantages with portable audio applications and the potential problems these amplifiers incur when designing without linear audio amplifiers in PDAs, multimedia notebooks, and other portable battery operated equipment
2007-10-19 Flat-panel audio design: Only the screen is flat, not the audio
Designing audio amplifiers for flat-panel TVs involves several challenging and juxtaposed issues. Engineering is usually fraught with making trade-offs and there�s no better example than in flat-panel design
2007-10-18 Design Class D audio amps into portable applications (Part 2
To maximize the benefits of using Class D amps, it is important to understand the fundamental difference in operation between Class D and Class AB amplifiers, since each amplifier technology requires different considerations when designing systems that incorporate audio
2007-09-17 Class-D op amp boasts high efficiency, small size
Texas Instruments Inc. has introduced a monolithic, filter-free, Class-D audio power amplifier with an integrated boost converter, which provides constant output power for portable applications
2005-05-11 Class-D amp enhances flat screen TV sound quality
This Class-D amplifier for flat screen TVs from Royal Philips Electronics drives 20W of continuous output power per channel with no external heat sink
2009-05-04 Class D audio amp delivers low quiescent, standby current
AnalogicTech has launched the AAT5101, its first Class D audio amplifier that delivers power savings by combining low voltage operation with low quiescent current and standby current for portable electronic systems.
2008-02-04 Audio DAC extends mobile music playback time
ST's audio DAC features a new technology that reduces power consumption, thereby increasing battery life and playback time without compromising audio quality in mobile music applications
2004-06-01 TI power amps tailor-made for small LCD TVs
Providing LCD TV manufacturers with the feature set required to meet high efficiency audio demands, TI announced two stereo Class-D audio power amplifiers
2003-04-14 TI Class D audio amps have high efficiency
The TPA3000D family of Class D audio amplifiers from Texas Instruments exhibits 250kHz PWM operation and low output FET on-resistance
2002-08-01 TI Class D amp eliminates output filter
The TPA2005D1 Class D amplifier from Texas Instruments Inc. eliminates the need for an output filter, making it 30 percent smaller than the company's previous products
2004-01-28 STMicro audio power amplifier delivers 200W
STMicroelectronics has developed a single-chip audio power amplifier that delivers 200W
2006-07-06 Ref design optimizes six-channel, Class D audio amp
International Rectifier's IRAUDAMP3 Class D audio reference design is a six-channel, 120W half-bridge Class D audio power amplifier.
2010-03-24 Power management IC packs Class G codec
Dialog Semiconductor plc has is rolling out the DA9057system-level power management IC that includes a Class G codec
2007-07-11 IR unrolls Class D audio amp reference design
International Rectifier has introduced the IRAUDAMP4 Class D audio power amp reference design
2004-09-02 IR rolls out reference design for audio amplifier
IR disclosed the availability of its IRAUDAMP1 Class D audio amplifier reference design featuring the 200V-rated IR2011S high-speed gate driver IC
2008-10-21 First digital audio amps set to invade car radios
STMicroelectronics has unveiled what it claims to be the first car audio amplifier with digital input
2007-09-05 Design Class D audio amps into portable applications (Part 1
To maximize the benefits of using Class D amps, it is important to understand the fundamental difference in operation between Class D and Class AB amplifiers, since each amplifier technology requires different considerations when designing systems that incorporate audio
2006-01-13 Design and analysis of a basic class D amplifier
Deceptively complex, Class D amplifiers have a whole series of practical problems that must be overcome to achieve an acceptable result
2006-09-08 Class-D audio power amps cuts PCB size by half
By integrating the external input resistors and very closely matching them, Texas Instruments said its new amps enable designers to reduce overall board size by approximately 50 percent.
2008-10-24 Class-D amp slashes up to 50% cost in car audio systems
Texas Instruments has extended its TAS54xx family of Class-D audio amplifiers with two new devices that offer greater integration and channel flexibility, saving OEMs up to 50 percent system cost when designing automotive head unit and external amplifier applications
2007-12-19 Class D audio subsystems render 3D stereo sound
Maxim Integrated Products has introduced the MAX9775/MAX9776 highly efficient Class D audio subsystems that provide 3D stereo enhancement
2008-04-16 Class D amps liven up audio in flat-panels
The latest developments in audio power amplifier echnology are increasing the sound quality in flat-panel displays to match the superb image quality
2006-01-11 Audio subsystem integrates smart phone, VoIP phone functions
The audio subsystem with a mono Class D speaker driver from National integrates all the analog and digital audio functions needed for smart phones and VoIP phones
2005-11-07 Audio power amp eradicates switching noise
TAEC announced the first Class-KB audio power amplifier, TB2905HQ
2007-10-05 Audio ICs promise heightened HDTV experience
ADI's latest audio processors and Class-D audio power amplifiers, which are part of the company's Advantiv lineup, deliver a complete advanced TV audio subsystem while allowing designers to meet multiple product performance and price targets
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