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Content tagged with Analog ICs
posted in October 2004
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Gas gauge ICs fuel high accuracy
Product News  
10/31/2004   Post a comment
Focus On battery management—Gas-gauging ICs for the high-stakes portable market are in the very-high-accuracy phase of their evolution, sparked by learning algorithms that enable the best of these "early warning" systems to determine remaining battery capacity to 1 percent. With power availability in portable devices perhaps the most critical factor in applications ranging from cell phones to medical monitoring, users and system designers want to know exactly what's left in the tank—to
Finally, Embedded EEPROM for Real World Designs At a Good Price -- Free
Product News  
10/29/2004   Post a comment
'FREEPROM Memory Offers Non-Volatile Storage in Mixed-Signal ICs for Real-World Applications and Operating Conditions up to 150 Degrees C'
Cirrus Delivers Two New Audio Product Lines — High-Performance Converters (DACs) that Support Six- and Eight-Audio Channels and a Sample Rate Converter for Synchronizing Multiple Audio Sources
Product News  
10/29/2004   Post a comment
Expanding its high-performance analog and mixed-signal audio converter ICs, Cirrus Logic Inc. unveiled two new 24-bit, 192-kHz, multi-channel digital-to-analog converter (D/A converter) ICs, the CS4365 and CS4385. The company also announced a high-performance asynchronous sample-rate converter — giving audio system designers a high-performance, cost-effective silicon solution for synchronizing multiple audio sources.
ASE Test posts profit but sees flat fourth quarter
News & Analysis  
10/29/2004   Post a comment
ASE Test Ltd. (Taipei) reported third-quarter net income of $20.6 million, or 21 cents per share on sales of $163.5 million, compared with $0.7 million, or 2 cents per share on sales of $103.1 million in the year-ago quarter.
Multichemistry battery IC simplifies charging
Product News  
10/29/2004   Post a comment
Maxim Integrated Products' MAX8713, billed as a simplified SMBus-based multichemistry battery charger that uses a minimum number of external components, provides a regulated charge voltage accurate to ±0.5 percent for portable equipment applications such as handset car kits, digital cameras, and cable modems.
1-GHz Triple Current Feedback Amplifier Provides Optimal Slew Rate
Product News  
10/29/2004   Post a comment
Intersil Corp. claims the EL5367 is the world's fastest triple amplifier — breaking the 1-GHz barrier. Now, the race is on between Analog Devices Inc. and National Semiconductor Corp. to see who will produce the next triple amp in the GHz range.
Field Programmable Analog Arrays Get Larger and Cost Less
Product News  
10/28/2004   Post a comment
Anadigm New Field Programmable Analog Arrays Double Processing Capability, Feature Aggressive Pricing
Front-End Digitiser - for multi-function printer & scanners
Product News  
10/28/2004   Post a comment
Wolfson Microelectronics announced an addition to its portfolio of high-performance analog front-end (AFE) digitiser devices. This fast, pipeline ADC converter is specifically designed for use in high speed next generation digital photocopier products.
Small 7-Channel Temperature Monitors Accurately Read Temperatures at Multiple Locations
Product News  
10/28/2004   Post a comment
Small size, high precision, and user flexibility make the MAX6697/MAX6698 precision 7-channel temperature sensors from Maxim Integrated Products Inc. a suitable choice for notebook, desktop, and industrial applications, where accurate temperature readings of multiple locations are a must.
High Output Drive DAC - reduces digital consumer audio cost
Product News  
10/28/2004   Post a comment
Wolfson Microelectronics plc has added a stereo audio D/A converter (DAC) with a high output drive capability of 2V rms, eliminating the need for external op-amps in DVD, Digital TV and audio/video receiver electronics.
Miniature Schottky - higher efficiency at higher currents
Product News  
10/28/2004   Post a comment
Provided in the SOD523 package, the ZHCS350 40V rated Schottky barrier diode from Zetex Semiconductors outperforms much larger packaged devices in terms of VF/IR performance, continuous current handling capability and PCB space requirement.
TI Dual-Phase PWM Controller With Integrated Drivers Simplifies Low-Voltage, High-Current Designs
Product News  
10/28/2004   Post a comment
Simplifying high-current power supply designs, Texas Instruments announced a multi-phase synchronous DC/DC buck controller with integrated adaptive gate drivers.
High detection range RF detector saves power for CDMA2000 mobile terminals
Design How-To  
10/28/2004   Post a comment
The CDMA method is based on spread spectrum modulation techniques and spread spectrum principle is based on the Shannon information theory, writes a National Semiconductor engineer. The Shannon capacity law states that the channel capacity uses Additive White Gaussian Noise. Power consumption can be severe, he says, unless you have an RF detector that can implement closed loop control.
Secrets of level-translation revealed
News & Analysis  
10/27/2004   Post a comment
Supply voltages continue to migrate to lower nodes to support today's low power, high performance applications. While some devices are capable of running at lower supply nodes, others might not have this capability. To have switching compatibility between these devices, the output of each driver must be compliant with the input of the receiver that it is driving. A Texas Instruments' engineer describes the some of the level translation schemes to interface these devices with one another, and the
LSI Logic cuts workforce, posts loss
News & Analysis  
10/27/2004   Post a comment
LSI Logic Corp. (Milpitas, Calif.) cut 510 positions, approximately 11 percent of its workforce, as the semiconductor supplier announced a comprehensive restructuring program after an unprofitable third quarter.
$1 More Will Get You a Whole Lot More — Atmel's Ultra Low Power MP3 Decoder for Mobile Phone Applications Sounds Like a Bargain
Product News  
10/27/2004   Post a comment
Atmel Corp. announced the AT89C51SND2C, a MP3 decoder, which combines all the features needed in a mobile phone to play MP3 ring tones and to convert a cell phone into a pen drive — in a single package.
Mini-Leistungsverstärker für Bluetooth
News & Analysis  
10/27/2004   Post a comment
Mit dem 'RangeCharger PA2423U' bietet der kanadische Chip-Produzent SiGe Semiconductor einen Bluetooth-Leistungsverstärker in einem extrem kleinen Gehäusen an.
Richardson Electronics Launches New Line Of Cellular Signal Enhancers
Product News  
10/27/2004   Post a comment
Richardson Electronics announced a strategic expansion of its engineered solutions products that includes a line of new Cellular Signal Enhancer designed for in-vehicle use to improve the signal strength and coverage of cellular phones when used in automobiles, trucks, recreational vehicles and boats.
SST's Latest ATA Flash Disk Controller Deliveres Huge Performance In Industry's Smallest Package
Product News  
10/27/2004   Post a comment
SST (Silicon Storage Technology) has launched an ATA Flash Disk Controller that combines command support for ATA/ATAPI-5 with enhanced performance and functionality, including added security protection and multi-word DMA.
All-silicon clock oscillator features small size, low EMI
Product News  
10/26/2004   Post a comment
Housed in an 8-pin microSOP package, Dallas Semiconductor's new center-spread-sprectrum all-silicon EconOscillator features up to a 20 dB reduction in radiated emissions (RMS voltage) compared to crystal oscillators, said the company.
Digi-Key signs agreement with Silicon Laboratories
Product News  
10/26/2004   Post a comment
Digi-Key Corp., a leading catalog distributor, has announced a distribution agreement with Silicon Laboratories Inc. to distribute the company's high-performance, analog-intensive, 8-bit microcontroller (MCU) product portfolio as well as wireline, networking and synthesizer products.
Fairchild donates flu vaccines to Maine
News & Analysis  
10/26/2004   Post a comment
Fairchild Semiconductor (South Portland, Maine) has announced that the company's South Portland facility has donated its supply of flu vaccines to the State of Maine to help address the shortage and direct the vaccines to Maine residents who need it most.
Agere posts loss on restructuring charges
News & Analysis  
10/26/2004   Post a comment
Agere Systems (Allentown, Pa.) posted a net loss of $127 million, or 7 cents per share, on sales of $439 million in its fourth 2004 fiscal quarter ended September 30th, reflecting $132 million in restructuring charges.
Digital Potentiometers Fit in 3mm x 3mm SOT23 or TDFN Packages
Product News  
10/26/2004   Post a comment
These 32-tap, nonvolatile, linear digital potentiometers (MAX5432-MAX5435) from Maxim Integrated Products offer integrated E2PROM (electrically erasable PROM), allowing the devices to function as mechanical pots, thus saving board space.
3 steps to budgeting power in CPCI designs
News & Analysis  
10/25/2004   Post a comment
Over the past five years, CompactPCI has become the architecture of choice for equipment makers developing high-availability embedded applications. Its powerful, standards-based, cost-effective computing solutions, as well as hot-swap and high-availability capabilities, make it ideal for communication and military applications.
Power Management
News & Analysis  
10/25/2004   Post a comment
Power Management
Dc/dc integration cuts space, time
Design How-To  
10/25/2004   Post a comment
Traditional distributed-power architectures employ several dc/dc power modules, each of which converts the 48-volt bus voltage to such supply-voltage rails as 5, 3.3 and 2.5 V. That configuration, however, poses increasing difficulties in meeting the load requirements of the fast, low-voltage processors, DSPs, ASICs and DDR memories used in next-generation communications equipment designs. Such devices impose stringent requirements on the power supply: very fast transient response, high efficien
ATCA density: hitting the mark
Design How-To  
10/25/2004   Post a comment
The AdvancedTCA (ATCA) architecture is quickly catching on as a viable option for next-generation communication equipment designs. One draw is the ability to develop high-density blades through the use of advanced mezzanine cards (AMCs) that perform complex functions and service large numbers of subscribers.
Intermediate-bus architecture solves power-conversion challenges
Design How-To  
10/25/2004   Post a comment
Voice and data communication service providers use port density and cost per port as key criteria in evaluating carrier-class communications network infrastructure equipment offerings. Equipment manufacturers respond by trying to design and deliver increasingly small, dense and low-cost systems in order to establish and maintain a competitive edge.
'Cool IC' design vital for multi-gigabit system design
Design How-To  
10/25/2004   Post a comment
Gigabit line cards are being tasked with accommodating a plethora of physical-layer transceivers, ranging from octal-type Fast Ethernet versions to copper- and fiber-based Gigabit Ethernet transceivers. At the same time, designers are looking for boards to handle media access control and higher-layer functionality.
Semiconductor strategies for low power consumption
Design How-To  
10/25/2004   Post a comment
Power consumption requirements for embedded systems, especially in automotive applications, are very stringent. Cars consume a lot of power while in full operation and also generate a lot of heat. The dissipation of that heat at high temperatures can become a serious issue, especially when a car is parked in the sun for an extended period. Furthermore, some control units must be capable of being operational even when the engine isn't running. These types of units drain the battery, so minimizing
Digital conversion solves comm equipment power challenges
Design How-To  
10/25/2004   Post a comment
As communication equipment designs become more complex, they require more sophisticated power systems. For example, Fast Ethernet switches developed in the late 1990s required only two supply voltages with less than 75 watts per board. At 3.3 and 2.5 V, the maximum current per output did not exceed 15 amps. Thus, these switches have been well-served by a distributed power architecture (DPA) with dual-output isolated bricks.
Wireless focus: more channels/mW
Design How-To  
10/25/2004   Post a comment
Wireless basestations and access/aggregation equipment represent infrastructure applications in which power and heat management are critical design parameters. Basestations operate in extreme ambient temperature environments, and digital subscriber line access multiplexers (DSLAMs), mini-DSLAMs, digital loop carriers and related access equipment need to stay cool to remain reliable.

Power management still critical for comms infrastructure too
News & Analysis  
10/25/2004   Post a comment
When you mention the phrase power management, the first thought that crosses most communications designers' minds is a way to draw less power on a mobile device. But power management plays an equally important role in infrastructure, where increased channel counts, higher-speed processing architectures, cooling issues and increased line card density are becoming a more vital concern for operators worldwide.
Preamplifier Renders Lightning Speed
Product News  
10/25/2004   Post a comment
This third-generation mobile preamplifier from STMicroelectronics Inc. offers speed, low power consumption and vertical recording support for mobile disk-drive applications.
Tiny Amplifiers Require no External Components to Set Gain
Product News  
10/25/2004   Post a comment
Responding to demands for highly flexible design solutions to support a wide variety of applications, Linear Technology introduces the LT1991 precision and LT1995 high-speed gain selectable amplifiers, which don't need external components.
A/D Converter Houses Five Differential Reference Inputs
Product News  
10/23/2004   Post a comment
Linear Technology Corp.'s LTC2447, a high accuracy, variable speed/resolution 24-bit delta-sigma A/D converter, features a unique multiplexing architecture to directly digitize multiple ratiometric sensors.
Line Driver For VDSL DMT - low power and high fidelity
Product News  
10/22/2004   Post a comment
Intersil announced a high-speed dual operational amplifier designed for use with Very-high-bit-rate Digital Subscriber Line (VDSL) and Asymmetric Digital Subscriber Line (ADSL) line driving in Discrete Multi-Tone (DMT) based solutions aimed at video-on-demand service applications.
Three-Phase PWM Controller Includes Power MOSFET Drivers
Product News  
10/22/2004   Post a comment
Intersil Corp. unveiled the ISL6566, a three-phase pulse-width modulation (PWM) control IC, with integrated metal-oxide semiconductor field-effect transistor (MOSFET) drivers.
CMOS Voltage Comparator Touts 50,000:1 Improvement in Sensor Input Signal Detection
Product News  
10/22/2004   Post a comment
Richard Reid, the infamous shoe bomber who allegedly tried to blow up an American Airlines plane in 2001, probably wouldn't have stood a chance if Advanced Linear's ALD2321 voltage comparator was used by airport security.
Weak orders, inventory woes afflict more semi suppliers
News & Analysis  
10/21/2004   Post a comment
Semiconductor suppliers continued to see an inventory buildup put a stranglehold on their quarter earnings as orders softened, with many seeing revenue decline from year-ago or previous quarter levels.
Power switch with fast PWM optimizes motor control
Product News  
10/21/2004   Post a comment
Freescale Semiconductor's 4-milliohm MC33981 eXtreme Switch with fast pulse width modulation (PWM)controller, optimized for DC motors, is designed to replace electromechanical relays and discrete devices in cooling fans, fuel pumps and automotive applications while reducing board space and increasing system reliability.
Thin Digital Amplifiers from D2Audio are Customizable
Product News  
10/20/2004   Post a comment
D2Audio Corp.'s MXR and MXM amplifiers offer the best of both worlds — the sound quality and performance level of top analog amplifiers, and the intelligent features, size, weight, power and space advantages only possible in a digital amplifier.
On Semi Expands Automotive Portfolio with New Transceivers
Product News  
10/20/2004   Post a comment
Continuing to expand its automotive device portfolio, ON Semiconductor introduced its first Local Interconnect Network (LIN) transceivers, Controller Area Network (CAN) transceiver and EMI/ESD protection circuits for LIN/CAN transceivers.
Cirrus Logic Drops Royalty Fees for CobraNet Silicon Series Audio ICs
Product News  
10/19/2004   Post a comment
With the introduction of three digital audio networking processors from its CobraNet Silicon Series of products, Cirrus Logic Inc. is making it possible for commercial and professional audio manufacturers to significantly lower costs of deploying networked audio systems.
Converter boosts one-cell battery voltage to 50V
News & Analysis  
10/18/2004   Post a comment
Handheld instruments often require a voltage far above the internal analog supply rail. But no single IC at this time is capable of converting a single-cell output to 50V, writes a Maxim applications expert. From the Planet Analog magazine folio, he offers a 2-stage step-up converter will handle the task.
TI posts gain but says inventory issues will linger
News & Analysis  
10/18/2004   Post a comment
Texas Instruments Inc. (Dallas) reported third-quarter earnings of $563 million on revenue of $3.25 billion, up from $441 million on revenue of $3.24 billion the previous quarter and $447 million on sales of $2.5 billion in the year-ago third quarter.
Digital signal controllers ease motorized appliance design
News & Analysis  
10/18/2004   Post a comment
To meet today's home appliance regulatory requirements for efficient energy and water usage, sophisticated motor controllers are critical. They must run a variety of motors while modulating torque and speed to handle varying load conditions. A brushless motor packs the same horsepower into a smaller, lighter package. It accelerates faster due to inherently lighter rotor construction. Texas Instruments' engineers a solution based on a digital signal processor (DSP) that addresses this kind of fle
Hot Swap Controller Includes On-Chip A/D Converter
Product News  
10/18/2004   Post a comment
Linear Technology Corp.'s LTC4260, a positive high voltage Hot Swap controller that features an on-chip 8-bit A/D converter and I2C compatible interface, allows for sophisticated power monitoring by measuring card voltages and currents as well as recording past and present fault conditions.
Universal supervisor ICs tout quick time-to-market
Product News  
10/18/2004   Post a comment
Touting an "innovative manufacturing flow" for faster time-to-market, STMicroelectronics has 24 industry-standard supervisor chips (total 46 parts numbers) that the company can deliver in as little as four weeks, compared to the typical 12 or more weeks of processing and assembly time required by other suppliers. These 5- and 3/3.3-volt supervisors are 100% pin-compatible drop-ins to parts commonly available throughout the industry.
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