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Content tagged with Analog ICs
posted in December 2004
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Three-phase PWM condenses microprocessor designs
Product News  
12/30/2004   Post a comment
International Rectifier's IR3093 is a three-phase interleaved PWM control IC that supports AMD Athlon, AMD Opteron, AMD Athlon64, and Intel VR10.X processors for applications that include desktop computer motherboards, voltage regulator modules, video graphics cards and telecom single-in-line (SIP) modules. It integrates MOSFET gate drivers, reducing parts count by 75 percent as well as solution size over competing devices, according to the company.
USB OTG for Faster Cores and Faster Streams
Product News  
12/30/2004   Post a comment
Embedded ASIC and SoC Designers Gain Hi-Speed USB Host, Device or OTG Support.
Digital Video to Come Alive in 2005
Design How-To  
12/28/2004   Post a comment
Successful new consumer electronic devices are introduced in concept demonstrations at trade shows. Next they emerge, at high cost, for early adopters. Eventually they proliferate as economies of scale make them affordable to mass market consumers. The decision of which digital video coding standard to adopt for next generation video disks as well as other digital video products under development remains open. In this feature article, Jonah Probell takes a look at digital video and predicts tren
New Circuit Protection Options for Power Electronics
News & Analysis  
12/27/2004   Post a comment
When a fault occurs in a linear transformer or power supply, some of the components may begin to overheat. In the case of the switch mode charger, some of the components that can fail are the magnetics or the switching FETs. A solution to this problem may be to use a polymeric positive temperature coefficient device that can help provide both overcurrent and overtemperature protection in one convenient package. A Raychem engineer offers these insights. (Thanks go to Paul O'Shea at powermanagment
Linear Tech answers handheld application needs with new LVDO
Product News  
12/22/2004   Post a comment
In response to emerging handheld applications, Linear Technology Corp. has developed the LTC3025 very low dropout regulator (VLDO) with a dropout voltage of only 45 mV, and an output current of 300 mA.
Atmel targets PC drives and DVD recorders with high-speed laser diode drivers in tiny packages
Product News  
12/22/2004   Post a comment
Atmel Corp.'s ATR084x family is designed for digital versatile disk with read/write function (DVD±RW)/CD-RW combo drives and enables RW speeds of up to 16 times (DVD±RW), and 52 times (CD-RW), respectively.
Welcome to the beehive
Blog  
12/22/2004   Post a comment
Page Views are a measure of an article's popularity and utility. These are the contributed articles that generated the most page views during 2004. These articles will be acknowledged and supported by print exposure in this week's Planet Analog magazine supplement. Congratulations and thanks to our authors (and the companies who support them).
Embedded Systems: DSPs and MCUs Read from Each Other's Playbook
News & Analysis  
12/22/2004   Post a comment
It's generally conceded that embedded systems will play a dominant role in electronics markets for a long time to come. The PC may have started the digital revolution four decades ago but PCs have now evolved into a mature market. The action for 2005 is in embedded systems of all descriptions—but most specifically consumer electronics. In this feature article, Jack Shandle takes a look at embedded systems in 2005.
Quad DC/DC brightens display solution
Product News  
12/21/2004   Post a comment
Linear Technology's compact LT1942 incorporates a triple-output supply with built-in power sequencing for thin-film-transistor liquid-crystal displays (TFT-LCDs), as well as a driver for backlighting up to 12 white-LEDs.
Class D MOSFET tuned for improved audio performance
Product News  
12/21/2004   Post a comment
The International Rectifier IRF6665 DirectFET MOSFET is for medium power Class D audio amplifiers. The device parameters are tuned specifically for improved audio performance such as efficiency, total harmonic distortion and power density.
New Circuit Protection Options for Power Electronics
Design How-To  
12/20/2004   Post a comment
When a fault occurs in a linear transformer or power supply, some of the components may begin to overheat. In the case of the switch mode charger, some of the components that can fail are the magnetics or the switching FETs. A solution to this problem may be to use a polymeric positive temperature coefficient device that can help provide both overcurrent and overtemperature protection in one convenient package.
The first P-channel FET for low-power DC/DC conversion
Product News  
12/20/2004   Post a comment
Philips Semiconductor introduces a P-Channel FET in a microTrench MOS. Supplied in the industry-standard SOT23 package, the 20 V PMV65XP brings the μTrenchMOS blend of performance and small size to the P channel.
Tunneling FETs enable scalable ultra-low voltage processes in standard silicon technology
News & Analysis  
12/20/2004   Post a comment
Infineon says that for the first time ever, complementary Tunneling Field Effect Transistors (TFETs) are fabricated in a standard silicon process with good performance for static and dynamic parameters.
Solutions meet new, mandatory California Energy Efficiency requirements
Product News  
12/20/2004   Post a comment
Power Integrations presents a suite of solutions enabling electronics manufacturers to comply with the new, mandatory energy-efficiency standards for California.
No leap of faith required here — Datel claims 14-bit A/D converter hybrid approach makes the most sense
Product News  
12/20/2004   Post a comment
Advances in monolithic processing and design architecture have now evolved to where analog and digital design sections can share the same die to provide higher resolution and conversion speeds. Datel's ADSD-1410, a single multichip hybrid module with two internal separate A/D converters and supporting circuitry, is an example of this evolution.
All-in-one regulator cuts costs to the core
Product News  
12/18/2004   Post a comment
Intersil Corporation bills its ISL6568 two-phase PWM controller IC as the industry's smallest all-in-one VID multiphase CPU core regulator. With integrated 3-amp, 5-12 volt MOSFET gate drivers, it claims the highest performance-to-price ratio in the smallest PC board area of any Intel or AMD CPU core voltage regulator available.
2A Step-Up DC/DC Converter for space constrained apps
Product News  
12/17/2004   Post a comment
Linear Technology Corporation announces the LTC3426, a 2 Amp, 6V, 1.2MHz step-up DC/DC converter in a ThinSOT package. The combination of its high efficiency switch and tiny package provides high current boost capability in a very compact form factor, making it ideal for space-constrained applications.
Goal Semi's quad D/A converter drives over 200-volt output
Product News  
12/17/2004   Post a comment
Goal Semiconductor Inc.'s highly integrated digital-to-analog converter (D/A converter) means compact system designs for high-voltage control applications.
Cirrus Logic lowers guidance, cuts workforce
News & Analysis  
12/16/2004   Post a comment
Cirrus Logic Inc. said Thursday (Dec. 16) it would reduce revenue guidance for the third fiscal 2005 quarter ending Dec. 25 and implement restructuring actions including reducing workforce and reorganizing its business across product lines rather than functions.
60VIN, 3A step-down switching regulator with 100μA quiescent current
Product News  
12/16/2004   Post a comment
Linear Technology Corporation announces the LT3434EFE, a high voltage, Burst Mode step-down switching regulator that maintains quiescent current under 100μA. The LT3434 operates within a VIN range of 3.3V to 60V, making it ideal for load dump and cold-crank conditions found in automotive applications.
Matsushita Electric Develops AlGaN/GaN Transistor for switching devices
Product News  
12/16/2004   Post a comment
Matsushita Electric Industrial announces a new AlGaN/GaN power FET transistor to revolutionize switching devices.
Developing Analytical Equations for Determining Power MOSFET Switching Transients
Design How-To  
12/15/2004   Post a comment
If you read only one article about power MOSFETs, this is the one you should read. It explains the switching behavior of power MOSFETs in practical application circuits and shows you how to choose the right device for the application using the specifications typically provided on manufacturer datasheets.
'Tis the season — MP3 player demand may propel analog IC growth
Product News  
12/15/2004   Post a comment
SigmaTel Inc. believes that a recent nationwide consumer survey shows that MP3 player purchases will top holiday shopping lists this year.
White LED driver boosts low-profile apps
Product News  
12/15/2004   Post a comment
Allegro MicroSystems' A8430 and A8431 DC/DC boost converters offer a low-profile solution for driving up to four white LEDs in series from a 2.5-volt supply, or five white LEDs from a 3-volt supply. "Not only does our A8430 QFN-5 drop in to the same footprint as SOT- and TSOT-23-5 packages, but it reduces the profile to just 0.75 mm nominal height," said Mark Gaboriault, strategic marketing director.
Semi suppliers cutting wafer starts, says iSuppli
News & Analysis  
12/14/2004   Post a comment
Lingering excess chip inventories are forcing semiconductor suppliers to cut their wafer starts and reassess their capital spending plans, according to the latest research from iSuppli Corp.'s Semiconductor Inventory Tracker service.
Mini digital signal conditioner monitors noisy environments
Product News  
12/14/2004   Post a comment
Suitable for monitoring multiple industrial stations in noisy environments, Electro Standards Laboratories' CellMite 100 embedded digital signal conditioner offers a unique integrated feature set — making it one of the most powerful units in its class, according to the company.
Complete Lighting Solution - simplifies design of portable devices
Product News  
12/14/2004   Post a comment
Advanced Analogic Technologies (AnalogicTech) has introduced five tri-mode, high-effficiency charge pumps for white LED backlight and colour LED applications
Power Management capabilities added to AMD Opteron
Product News  
12/14/2004   Post a comment
AMD's PowerNow technology, initially offered for notebook PCs, has been upgraded to PowerNow with Optimized Power Management for enterprise I.T. and workstation customers.
Charge pump uses high fixed switching frequency, saves space
Product News  
12/14/2004   Post a comment
AnalogicTech offers the AAT3119 fixed frequency, high efficiency charge pump. It's optimized for battery-powered portable applications and is used with ultra-small 1 microfarad capacitors.
Analog switch focus: cell phone features spur demand for analog switches
Product News  
12/13/2004   Post a comment
This has been a big year for the analog switch market, which has seen demand leap forward as the replacement of discrete components in cell phones accelerated. Such vendors as Analog Devices, Fairchild Semiconductor, Maxim Integrated Products, Siliconix and Texas Instruments have been churning out new switches in response to the feature-hungry demands of the cell phone market.
Lowered Price for Field Programmable Analog Array (FPAA) Development Kit
Product News  
12/13/2004   Post a comment
Dynamically reconfigurable FPAAs allow on-the-fly, real-time control of analog functions by the microprocessor in an embedded system.
Developing Analytical Equations for Determining Power MOSFET Switching Transients
Design How-To  
12/13/2004   Post a comment
If you read only one article about power MOSFETs, this is the one you should read. It explains the switching behavior of power MOSFETs in practical application circuits and shows you how to choose the right device for the application using the specifications typically provided on manufacturer datasheets.
National adds precision amps, filter tools to design environment
Product News  
12/13/2004   Post a comment
Product Review: Today National Semiconductor added three new precision amplifiers and the ability to design complex filters to its simple online design site. Bettyann Liotta spoke with National's engineers and filed this report.
Power management ICs put it all together
Product News  
12/10/2004   Post a comment
Looking ahead - Advancing in depth and breadth, power management technology made its mark on the system-on-a-chip (SOC) this year, particularly those devices designed for consumer/wireless products. With analog IC expertise the common ground for merging signal and DC/DC power blocks, chip makers keyed heavily on their skills in ultraintegration to gain a competitive edge in expanding and, some say, redefining the power-management landscape for 2005.
MicroFuel Cell receives safety certification
Product News  
12/10/2004   Post a comment
MTI Micro, the developer of award winning Mobion rechargeable portable power technology for handheld electronic devices and a subsidiary of Mechanical Technology announced today that it has received required safety certifications from Underwriter's Laboratories and CSA International.
APEC Texas Style
Product News  
12/10/2004   Post a comment
The Applied Power Electronics conference is in Austin, Texas from March 6 -10, 2005, get the details here.
New package type introduced for rectifier and transient voltage suppressor
Product News  
12/10/2004   Post a comment
Vishay introduced a new package type for its rectifier and transient voltage suppressor products and delivers the same current and power ratings as the SMA package in a 44% smaller footprint.
Inductors serve as high-performing, space- and power-saving solutions for VRM
Product News  
12/10/2004   Post a comment
Vishay added two new members to its line of low-profile, high-current inductors. The new inductors serve as space- and power-saving solutions for voltage regulator module and dc-to-dc converter applications.
How statistical sensitivity makes designs manufacturable
News & Analysis  
12/10/2004   Post a comment
RF, microwave and high-speed digital circuits have inherent sensitivities to component and parasitic values. Consultant John Purviance (right) shows you how to "center" designs using statistical sensitivity before going into manufacturing.
Switch Mode & Pulse Transformers for Hipot Up to 40 KVAC
Product News  
12/9/2004   Post a comment
The encapsulated Switch Mode and Pulse Transformers for high frequency switching applications, from Bicron, have been specifically designed to meet the high reliability demands for BIL (Basic Impulse Level) ratings at the PCB level found in power management, power control, and power conversion systems.
Just say: Charge It
Power DesignLine Blog  
12/9/2004   Post a comment
Portable power supplies including rechargeable batteries have hit critical mass in our technological society and we now need new ways to keep up and running.
16 Bit Audio CODEC - for digital still cameras, voice recorders
Product News  
12/9/2004   Post a comment
Asahi Kasei Microsystems (AKM) introduced the AK4631, a tiny, low-power consumption 16 bit mono A/D and D/A audio converter for digital still cameras and voice recorders
Synchronous buck regulator is Intel xScale Power Manager in QFN package
Product News  
12/8/2004   Post a comment
Linear Technology Corporation announces the LTC3445, a compact, high efficiency xScale microprocessor power supply in a 4mm x 4mm QFN package. The synchronous buck regulator can deliver up to 600mA of output current with efficiencies of up to 93%.
Dish Network Receiver: Analog pulls in the signal
Teardown  
12/8/2004   Post a comment
The man behind the teardowns: From the forthcoming December issue of Planet Analog magazine, David Carey dissects the Dish Network 332 Receiver, finds a number of Broadcom components and good deal of analog. His picture, inside, celebrates another year of Under The Hood on Planet Analog.
The Myth of the Neutral Wire
Design How-To  
12/8/2004   Post a comment
This white paper from American Power Conversion Corp discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, and grounding are addressed. Various myths are described and criticized.
Focus on D/A converters: D/As ride LVDS to gigasample realm
Product News  
12/8/2004   Post a comment
As signal-processing requirements increase in speed and complexity, system designers require data converters that can synthesize high-quality signals at much higher frequencies than ever before. Fujitsu Microelectronics America Inc. and Analog Devices Inc. are meeting these needs using low-voltage differential-signaling (LVDS) inputs to boost sampling rates in digital-to-analog converters. Find out if other companies are building these products.
Industrial semiconductor markets promises 8 percent growth
News & Analysis  
12/8/2004   Post a comment
A Databeans study found that the highest growth was attributed to sensors, followed by digital signal processors, optoelectronics, analog and microcontrollers. Competition is strong in this segment. Leading suppliers include Texas Instruments, STMicroelectronics, Philips Semiconductors, Freescale, and Infineon Technologies.
Philips launches only low power I²C general-purpose I/Os with interrupt output and reset input
Product News  
12/8/2004   Post a comment
Royal Philips Electronics introduced a series of I²C-bus controlled push-pull general-purpose input/outputs (GPIOs) that tout reduced power consumption for portable applications, as well as interrupt output and reset input functions.
Chipset delivers end-to-end power management
Product News  
12/8/2004   Post a comment
Potentia Semiconductor's PS-1005 and PS-1006 monitor chips, along with the company's PS-2406 configurable subsystem controller integrate primary- and secondary-side power control to provide significant uptime advantages for 48-volt card level applications. It's the first such set of ICs designed for comprehensive and proactive input-to-output power management, according to Potentia.
Ultra-low jitter performance marks Analog Devices' entry into the clock IC market
Product News  
12/8/2004   Post a comment
The acknowledged leader in data conversion technology adds clock ICs with sub-picosecond jitter to its portfolio of high-performance analog circuits. One device has 8 outputs with adjustable frequency and phase for controlling complex timing trees. LVDS/CMOS or LVPECL meets you need for speed.
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