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2008-08-18 Conquer the car audio challenge
As premium sound systems grow in size and power requirements, Class D audio amplifiers are being redesigned to answer the unique automotive challenge.
2006-01-18 Codec switches between Class AB and Class D
Wolfson Microelectronics plc announced what it claims is the first Class AB-to-Class D switchable stereo codec for portable applications
2006-02-15 Codec integrates Class-D speaker driver
The new WM8960 codec from Wolfson is the company's first 24bit codec that integrates a filterless Class-D speaker driver
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
2007-12-14 Class-D driver IP meets advanced SoC requirements
Chipidea has released a Class-D audio driver IP specifically designed for SoC devices manufactured in 65nm process and below.
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.
2006-01-20 Class-D audio PAs tailored for DTVs
Texas Instruments introduced two new stereo Class-D audio power amplifiers for digital televisions.
2007-04-02 Class-D audio amps offer 64-step volume control
PAM has introduced what it touts as the industry's first 3W Class-D audio amps with integrated 64-step digital volume control featuring its patent pending "filter-free" next-generation architecture.
2009-02-02 Class-D audio amp handles up to 6.5Vdc
Apexone Microelectronic has launched the A7023 stereo digital volume-controlled Class-D audio amplifier IC that features of up to 6.5Vdc working voltage to meet the requirements of batteries or chargers.
2010-02-05 Class-D audio amp equipped with DAC noise filter
From Texas Instruments Inc. comes a 3.2W, mono Class-D audio amp with an integrated DAC noise filter that reduces codec noise by as much as 82 percent, compared to devices without this feature.
2009-07-31 Class-D amps transform cars into concert halls
Extremely high dynamic audio range lets the class-D amplifier family improve in-car entertainment.
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.
2010-06-18 Class-D amp with boost converter extends battery life
TI's Class-D audio amplifier with boost converter packs battery monitoring AGC and SpeakerGuard technology to prevent early shutdown at low battery voltages.
2010-06-10 Class-D amp tailored for DVD, Blu-ray players
STMicroelectronics is rolling out an analog-input 2 x 100W class-D power amplifier, extending its range of Class-D devices that deliver audiophile sound quality
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.
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
2008-07-09 Class-D amp does dynamic range compression
Texas Instruments has introduced a highly advanced, filter-free, stereo Class-D amplifier that provides a 1.7W per channel output drive capability across an 8 load and improves overall volume vs. traditional Class-D products
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.
2008-04-16 Class G amps key in driving ceramic speakers
Today's portable devices drive a need for smaller, thinner and more power-efficient electronic components. Cellphone form factors have become thin that the traditional dynamic speaker has become the limiting factor in how thin manufacturers can make their handsets. Ceramic or piezoelectric speakers are quickly becoming a viable alternative to dynamic speakers.
2007-02-01 Class G amp drives thin piezoelectric speakers
Maxim has introduced the MAX9788, said to be the industry's first mono, Class G amplifier specifically designed to drive the high capacitive load of piezoelectric loudspeakers
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.
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.
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.
2003-02-12 Class D audio amps eye home theater systems
Philips Semiconductors has launched a family of single-chip Class D audio amplifiers employing a bipolar CMOS-DMOS SOI process.
2005-06-02 Class D audio amplifier basics
This app note explains the Class D audio amplifier, which is basically a switching
2004-12-07 Class D audio amplifier basics
This app note describes the Class D audio amplifier.
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.
2009-05-04 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.
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