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2002-10-23 AKM audio codec suited for portable A/V apps
The AK4566 20-bit audio codec integrates microphone input features and headphone amplifiers, making it suitable for use in portable A/V devices and personal electronics applications
2011-12-13 Advances in hi-fi digital audio streaming
Know the key elements of the architecture of digital audio streaming equipment, and the new board-level technology that developers should consider when evaluating technology for new product designs
2005-01-28 ADI claims audiophile sound for its Class-D amplifier entry
ADI is targeting a "sweet spot" in the Class D market, the 5- to 40 watts-per-channel amplifiers used by bookshelf stereo systems, integrated DVD players and wide-screen flat panel TVs.
2008-02-20 2Vrms audio line driver operates from 3.3V supply
TI's 2Vrms DirectPath audio line driver provides customers with the flexibility to operate from a 3.3V power supply to reduce total system cost and to adjust input gain levels to optimize performance in TV peripherals
2008-01-23 24bit audio DAC puts Hi-Fi sound in mobile apps
STMicroelectronics has released a 24bit audio DAC designed for mobile apps and offers 103dB dynamic range across the entire audio path
2013-10-04 20W audio amp reduces mid-power stereo apps BoM cost
The TAS5760xx devices from TI are digital-input, closed-loop I2S amplifiers geared for TVs, soundbars, portable docking stations, Bluetooth speakers and aftermarket automotive audio products
2008-08-14 Smallest' audio device generates highest output power
Maxim has launched MAX9877, the industry's smallest audio subsystem. It provides high-efficiency, high-power, mono Class D speaker amplifier; a DirectDrive, stereo headphone amplifier; and a low-noise, bypass analog switch.
2000-09-27 Utilizing class-D audio power amplifiers for high efficiency
New filterless modulation techniques eliminate the biggest limitation of using class-D amplifiers in portable equipment. Notebook computers, PDAs, mobile phones and battery-powered speakers are applications that could greatly benefit from the use of class-D amplifiers.
2007-03-16 Use CT delta-sigma ADCs to cut down power consumption
Continuous time delta-sigma ADC technology shatters the conventional wisdom that pipeline ADCs are the only conversion technique available for high-speed, dynamic range applications.
2003-12-03 Tripath amps power latest Hitachi PDP TVs
Hitachi Ltd has selected Tripath Technology Inc.'s digital audio amplifier to be integrated into its new line of plasma TV receivers
2003-11-07 Tripath amplifier to power Denon receiver
Japan-based Denon Ltd has selected Tripath Technology Inc.'s TA2022, Class-T audio amplifier for its latest AV receiver - the AVR-770SD
2007-06-11 Tiny 24bit DACs target portable audio devices
Asahi Kasei EMD Corp. launches the latest addition to its Audio2go product family, the AK4370 and AK4371 ultralow power 24bit DACs with integrated high output headphone amplifiers for cellphones, smart phones and PMPs
2008-04-14 TI debuts PWM-input 20W Class-D power stage
TI says it has introduced the industry's first PWM-input 20W stereo Class-D power stage with closed-loop feedback
1999-06-01 The practical side of switching audio power amplifiers
This paper will review existing amplifier technologies, explain basic theory behind switching amplifiers, discuss some switching amplifier design points and compare the efficiencies of three amplifier types
2003-09-30 STMicro mono amplifier saves space in portable devices
STMicroelectronics has introduced a pair of compact mono audio amplifiers for driving 16 to 32 ohm speakers and ear-pieces in cellphones, personal PDAs and other portable appliances
2003-10-27 ON Semi releases transistors for audio amplifier output
ON Semiconductor has introduced a family of audio bipolar transistors which the company claims have the highest voltages available in the industry
2005-06-13 Notebook computer upgrade path for audio power amplifiers
This app note discusses audio power amplifiers in notebook computers
2010-05-12 Integrated codecs, DACs improve eBook audio
TI launched audio codecs and DACs for eBooks, MIDs and portable navigation apps that support enhanced audio features to improve the consumer's listening experience
2010-01-08 Integrated Class-D audio amps deliver 600W
Audio bandwidth over 73kHz achieves HD media playback in Blu-ray home theater systems and other apps
2000-12-08 High power audio amplifiers with short circuit protection
This application note describes a recommended circuit approach for high-performance audio amplifiers in the 35W to 100W rms power range
2008-10-09 HD audio codecs optimize capacity of mobile devices
Integrated Device Technology has released a new set of high-definition audio codecs that offer improved capability and fidelity, and design flexibility for multimedia notebooks and enterprise desktops
2008-07-04 Driver streamlines Class-D audio amplifier performance
Supertex has introduced the MD7120, a high voltage, high speed, N-channel, full-bridge power MOSFET driver for use in Class-D audio amplifiers
2005-07-18 Digital feedback pulls class D into high-end audio
Earlier this year, Zetex Semiconductors plc announced the development of an amplifier technology that it claims is so different that it warrants the creation of its own new class-one that Zetex calls "class Z
2006-01-20 Class-D audio PAs tailored for DTVs
Texas Instruments introduced two new stereo Class-D audio power amplifiers for digital televisions
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
2006-02-16 Audio codec suits cellphones, PMPs
STMicroelectronics' new stereo audio/voice codec is designed as a compact solution for delivering audio in the low voltage conditions of battery-powered multimedia products and cellphones
2006-11-08 Audio amps tout zero pop-and-click noise
ON Semiconductor's new op-amp-based audio amplifiers tout fast turn-on time, zero pop-and-click noise and minimal power consumption
2005-12-12 Audio amps deliver 1.6W power
austriamicrosystems introduced its new AS1701/06 family of single-channel audio amplifiers that deliver 1.6W output power
2012-07-04 Audio amplifiers cut power use
Texas Instruments' TPA3116D2, TPA3118D2 and TPA3130D2 analog-input class-D stereo amplifiers enable simultaneous operation of line power and battery power on the same board
2009-01-27 ZTE picks Apexone's amplifiers for advanced handsets
ZTE Corp., one of China's top handsets OEMs/ODMs providing mobile solutions to customers around the world, has selected Apexone Microelectronics' A7013 Class D audio amplifier
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