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2010-01-15 Class-D amps deliver cost-effective audio solution
Intersil's latest SoC Class-D digital audio amplifiers provide complete, cost-effective audio solution for flat panel TV systems, PC multimedia speakers and other high-volume consumer products
2007-05-14 Class-D amplifier guarantees 90% efficiency
Rohm Co. Ltd has developed the BD5421EFS Class D stereo amplifier LSI for audio-equipped sets with strict thermal design and dimensional requirements
2008-10-10 Class-D amp cuts cost in high-power stereos
NXP Semiconductors has released the TDA8950 highly integrated stereo class-D amplifier suitable for single layer PCB use, delivering bigger, better sound on slim-line audio systems
2007-06-13 Class D stereo amplifier offers low power consumption
Rohm Co. Ltd has developed a digital input Hi-Fi class-D headphone amplifier LSI designed specifically for portable audio devices such as MP3 players, IC recorders, electronic dictionaries, digital cameras and notebook PCs
2006-12-11 Class D audio IC eases flat-panel DTV design
Cirrus Logic touts its CS4525 as an innovative Class D audio IC that greatly simplifies system design for the global flat-panel digital TV market
2007-12-06 Class D audio amp market to hit $688M by 2011
Market research firm Gartner Inc. forecasts that revenues for Class D audio amplifiers will increase from $334 million in 2006 to $688 million in 2011 and display a 15.6 percent CAGR
2012-04-19 Class D audio amp for MP3 docking station
Know how to incorporate the MAX98400 Class D audio amplifier in a stereo audio docking station application
2009-10-05 Class D audio amp boasts 1W constant power
The constant-power filterless Class D audio amplifier delivers
2008-11-13 Class AB audio amp delivers fast response
ON Semiconductor has launched the NCP2991 Class AB audio amplifier dedicated to providing superior audio performance without sacrificing power efficiency for portable and wireless applications.
2007-02-01 Class AB amps retain place in audio design
A quick look at many new low-power speaker amplifiers on the market highlights the move to Class D audio performance. But when it comes to low cost, distortion and noise, Class AB still has the edge. The differential input/differential output amplifier is similar to the conventional single-ended output op amp in terms of the equations that determine its gain.
2012-08-10 Cirrus Logic to overtake Dialog in audio chips race
Adding power management functions to its ICs could land Cirrus a bigger slice in Apple's design sockets pie
2004-07-15 Cirrus enters digital amplifier market
Cirrus Logic Inc. entered the market for Class D digital amplifier controllers on Monday (July 12, 2004), aiming at the high-end of the audio/video (A/V) recorder market as well as recordable DVD players with built-in amplifiers and captive speakers
2013-05-08 Choosing the right audio amp topology
Here's an examination of the most important characteristics of each class of audio amplifier available today
2011-10-04 Choosing audio amplifiers for portable devices
Read about the various means of improving audio in mobile phone and portable audio systems, many of which use a processor with integrated analog audio outputs
2005-03-17 Chips ferry pro audio over Ether cable
Cirrus Logic is unveiling silicon that combines its 49K series of 32bit DSPs with the CobraNet control silicon first deployed in 2003.
2008-03-31 Bringing multizone digital audio to life
Rallying around an emphasis on software upgradability and wireless connectivity and control, Sonos Inc. developed a multi-zone digital music system with a wireless, full-color LCD screen controller that lets users play all their digital music.
2006-06-21 Boomer audio subsystems offer RF suppression
Two new Boomer audio subsystems from National promise to integrate RF suppression tech to improve noise performance in portable apps
2005-12-19 Boomer audio amp incorporates digital, analog input paths
National Semiconductor introduced the LM4934 Boomer stereo audio subsystem, which it touts as the industry's first subsystem to incorporate both digital and analog input paths
2014-09-03 Automotive-grade audio amp aimed at eCall, telematics apps
By using the TAS5421-Q1, TI said designers can remove multiple discrete components, shorten automotive-grade diagnostic design and extend battery back-up power
2005-10-27 austriamicro's new power mngt IC
The AS3654 power management IC from austriamicro includes high performance voltage regulators, a lighting unit, step down battery charger and a stereo audio DAC
2004-12-01 Audio/power ICs answer call for multi-tiered wireless
The three new ICs from Freescale provide highly integrated one-chip solutions customized for the wide range of today's consumer wireless products.
2006-07-11 Audio system LSIs sound MP3 file playback
Rohm's BU9432-C1 and BU9434-C2 audio system LSIs integrate an MP3 decoder, DAC, system controller, USB host controller, and 3-output power supply
2010-02-24 Audio subsystems integrate Class D, H amps
Maxim Integrated released mono audio subsystems that combine Class D mono speaker amplifier with distortion limiter; DirectDrive II Class H stereo amplifier; and ultralow-noise, analog bypass switch
2009-04-03 Audio subsystems aim to simplify design
National Semiconductor Corp. has expanded its line of low-power Boomer Class D audio subsystems with two devicesthe LM49352 mixed-signal audio subsystem and LM49151 analog subsystemaimed at simplifying portable product design
2011-08-02 Audio subsystem reduces board space
IDT's audio subsystem with integrated clock IC boasts space and cost efficiency for tablets, game consoles, personal navigation devices and portable projectors
2004-11-16 Audio power amplification goes beyond Class D
Switching amplifiers with wideband performance and low distortion require innovations beyond basic Class D circuit topology.
2009-09-17 Audio op amp offers designers 60% less noise
Using very little power, the dual-channel, bipolar-input audio amplifier supports multiple channels.
2010-06-11 Audio ICs simplify signal management in mobile apps
Cirrus Logic Inc. is rolling out a pair of audio ICs that improve audio quality, simplify signal management and reduce EMI in mobile consumer electronics applications
2008-01-14 Audio front end halves power draw, doubles performance
austriamicrosystems has extended its audio front end portfolio with a new device that promises low power consumption at a high audio performance by featuring a sub-7mW stereo DAC at over 100dB SNR
2009-09-30 Audio converter/driver IC saves board space, BOM costs
ST's TS4657 audio converter/driver IC saves additional external components while reducing power consumption and improving sound quality of consumer audio/video products
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