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2004-12-01 Audio converter with built-in microphone, speaker amplifiers
AKM developed a low power consumption 16bit mono A/D and D/A audio converter that features built-in microphone and speaker amplifiers and automatic level control
2009-01-06 Audio codec with Class-D amp extends battery life
Texas Instruments Inc. has released a new low-power stereo audio codec that enables CD quality playback and extends battery life in portable products such as cellphones, portable navigation devices and portable media players
2009-10-06 Audio codec packs programmable digital filters
Maxim Integrated Products offers a low-power, stereo audio codec that integrates digital microphone support and programmable digital filters to deliver a richer audio experience to end users
2005-09-19 Audio codec packs features
AKM Semiconductor introduced a multifunction audio codec for digital televisions, home theater systems, DVD receivers and automotive amplifiers
2009-05-19 Audio codec packs dual ADC paths, digital voice filters
From Maxim Integrated Products comes the MAX9860, a low-power, mono audio codec with dual ADC paths and programmable digital voice filters
2006-04-06 Audio codec integrates capless headphone amplifier
AKM Semiconductor released a low-power audio codec with an integrated capless headphone amplifier.
2007-02-26 Audio Circuits Using the NE5532/34
The following will explain some of ON Semiconductors low noise op amps and show their use in some audio applications
2011-02-09 Audio chip interfaces with MEMS microphones
STMicroelectronics' STA321MP IC features a built-in interface for MEMS digital and standard microphone inputs claiming improved performance from small, low-cost speakers.
2004-01-16 Audio chip aims at loaded cellphones
Wolfson Microelectronics introduced a low-power audio chip that integrates many of the audio-related components a cellular multimedia system would need
2008-01-24 Audio buffer promises 'lowest' distortion, noise
National's high-fidelity, high-current audio buffer, the LME49600, promises the lowest noise and distortion for professional and high-performance audio applications
2010-02-15 Audio amps deliver high-quality sound at low cost
Wolfson Microelectronics has developed two cost-effective audio amplifiers that provide high quality audio and low power consumption for optimal audio playback time
2009-08-31 Audio amps cut out inductor-based filters
The new Texas Instruments Class-D audio amplifier boasts EMI suppression that cuts BOM by 50 percent
2012-01-13 Audio amplifiers tout 3.2W/mm2 power density
ST's TDA7498E amplifiers enable the design of platform solutions where the speaker impedance can be simply changed from 8? down to 2? without any power or current limitation
2006-05-16 Audio amplifiers detect headphone input
Maxim's audio amplifiers combine a stereo 3W bridge-tied load audio amplifier, stereo headphone amp, headphone sensing, and a 2:1 input multiplexer in a thin TQFN package
2005-03-24 Audio amplifier with 100dB SNR
The new stereo audio amplifier from ST provides high quality audio signal for the smallest portable devices with its SNR of 100dB and power supply rejection ratio of 62dB at 217Hz with grounded inputs.
2012-04-18 Audio amp promises clearer sound, longer battery life
Fairchild's FAB3103 2.3W class-D audio amplifier that features integrated boost regulator and battery automatic gain control is geared for mobile handsets and tablets
2012-01-25 Audio amp operates from 2.5-5.5V
The device features an integrated boost converter that works at 2MHz, requiring only a small (2.2?H) external inductor and capacitor.
2006-04-21 Audio amp housed in micro SMD package
National Semiconductor Corp. introduced a Boomer 1.3W mono Class AB audio amplifier for cellphone handsfree and ringer functions
2005-05-03 Audio amp circuitry suppresses RF signals
National Semiconductor introduced an audio amplifier featuring internal circuitry that suppresses RF signals from passing through the amplifier
2010-06-11 ARM MCU companion IC packs two power supply channels
Atmel's AT73C246 analog companion chip provides power supplies and audio I/O to match the AT91SAM9 ARM9-based MCUs to host multimedia applications
2004-11-17 Amplifiers target powered speakers, in-wall audio systems
D2Audio is kicking off a new family of miniature digital amplifiers with the MXS series two-channel amplifiers.
2011-07-21 Amplifiers offer louder audio, longer battery life
The FAB1200 and FAB2200 mobile audio ICs enable handsets, tablets/MIDs and other portable audio applications to sound louder while reducing overall systems cost, says Fairchild
2006-04-13 Amplifier reference design targets Class-D products
Cirrus Logic launched a quad amplifier and a 2.1-channel Class-D amplifier reference design for DTVs and home theater receivers
2002-12-02 Amplifier eliminates dc-blocking capacitors, resistors
The MAX4411 headphone amplifier combines the Maxim's stereo DirectDrive technology and a fixed-gain configuration
2005-04-12 Amplifier 'sets new standards
Zetex, a provider of analog signal processing and power management solution, introduced a 500W RMS into 4-ohm analog input Class D reference design
2003-02-27 AKM ships integrated audio CODEC in 28-pin QFN
Asahi Kasei Microsystems' AK4536 16-bit mono codec integrates an ALC, microphone, and speaker amps into a single 28-pin QFN package.
2005-10-25 AKM rolls new audio ADC for mobiles and stereo microphones
Asahi Kasei Microsystems introduced AK5701, a small, low power ADC with integrated microphone amplifier ALC and PLL, making it suitable for mobile phones, smart phones and PMP stereo microphone systems
2004-12-21 AKM converter with high-quality audio recording features
AKM rolled out a single-chip 16bit stereo A/D and D/A converter with high-quality audio recording features for use in digital still cameras and digital video cameras
2004-09-13 AKM audio codec with built-in touchscreen controller
Asahi Kasei Microsystems introduced a single-chip audio codec with a built-in touchscreen controller
2003-04-25 AKM audio codec targeted at portable A/V apps
The AK4537 audio codec of Asahi Kasei Microsystems Co. Ltd integrates a 16-bit stereo ADC and DAC with stereo microphone amplifiers
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