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Content tagged with Analog ICs
posted in January 2007
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Dual current sense amplifiers deliver fast response, precision
Product News  
1/31/2007   Post a comment
Linear's LTC6103 contains two independent, high side current sense amplifiers that feature input bias current of 170-nA max and maximum input offset voltage of 450-µV. This precision performance allows the part to resolve very small currents and still operate over a large dynamic range.
Driver amplifier touts wide frequency range for wireless apps
Product News  
1/31/2007   Post a comment
Check out M/A-COM's latest high dynamic range driver amplifier. The MAAMSS0070 is a single-state device tailored specifically for wireless applications such as basestations, WiMax and WiBro.
GloNav taps Jazz to produce low-power GPS RFIC
Product News  
1/31/2007   Post a comment
Using Jazz's 0.18-micron SiGe BiCMOS process, GloNav has developed a low-power L1 GPS RFIC that operates from a single 1.8-V supply to consume just 15-mW of power, a key requirement for today's cellular handsets, portable consumer devices and battery-operated GPS devices.
Save power and real estate with a programmable reset controller with debounced input
Design How-To  
1/31/2007   Post a comment
The long time delay of the Hard Reset poses a design problem because delays into the tens of seconds call for very large value resistors and capacitors. The analog solution is both simple and low cost but it lacks flexibility and accuracy. A programmable reset timer becomes the obvious solution when considering long delay times or multiple timers. Here's an article that tells you the specifics about how to create this design.
How to use programmable analog to measure MEMS gyroscopes
Design How-To  
1/31/2007   Post a comment
This article provides a methodology for designing MEMS gyroscope and similar systems using reprogrammable mixed-signal microcontrollers.
Quad I/Q demodulator and phase shifter replaces delay lines in ultrasound equipment
Product News  
1/31/2007   Post a comment
In an effort to reduce component count and power consumption in medical applications, Analog Devices has developed a quad I/Q demodulator and phase shifter that is says replaces delay lines in medical ultrasound equipment.
PWM controller IC simplifies DC/DC flyback designs
Product News  
1/31/2007   Post a comment
Linear Technology's highly integrated LTC3805 PWM current-mode controller cuts the size and complexity of flyback power supplies.
Bluetooth means business
Blog  
1/31/2007   Post a comment
I think it has a lot to do with the "multiple radios on a chip" business that I've been talking about for the last few months.
Actel expands channel in China
News & Analysis  
1/30/2007   Post a comment
To promote wider use of its field-programmable gate array devices by Chinese designers, Actel Corp. announced a significant expansion of its sales channel in Greater China.
National Semi extends popular Simple Switcher dc/dc IC family; enhances companion Webench tool with footprint vs. efficiency tradeoff
Product News  
1/30/2007   Post a comment
New switching regulators from National Semiconductor go to 75V, plus improved Webench design tool
Four-channel LVDS SerDes delivers 5-Gbits/s bandwidth
Product News  
1/30/2007   Post a comment
With an eye toward supporting high-end multimedia applications, Mixel designed its latest four-channel LVDS SerDes to provide up to 5-Gbits/s data throughput.
Battery said to last lifespan of notebook unveiled at DEMO 07
News & Analysis  
1/30/2007   Post a comment
Boston-Power introduces new lithium-ion battery technology platform engineered to deliver industry's fastest recharge time.
Get control of buck regulator high step-down ratios
Design How-To  
1/30/2007   Post a comment
Feedback loops for buck type switching regulators are usually hard to compensate and typically require current mode control. Unfortunately, noise sensitivity is a problem. A recent development called Emulated Current Mode Control can improve the ability to operate with very high step down ratios while maintaining good noise immunity. Here's what you need to know.
High-side power switches boost automotives
Product News  
1/30/2007   Post a comment
International Rectifier's fully-protected, high-side intelligent power switches in the IPS60xx family, for automotive applications, combine improved power density and lower RDS.
Power conversion IC delivers performance, power efficiency in 4 mm x 4 mm package
Product News  
1/30/2007   Post a comment
Texas Instruments introduces a six-channel power management IC in 4mm x 4mm package that targets portable electronic designs.
Exar unveils dual-channel UART/RS-232 transceiver combo
Product News  
1/29/2007   Post a comment
Fremont, Calif.—Exar Corp. announced the industry's first dual-channel 8-bit integrated Universal Asynchronous Receiver Transmitter (UART) and RS-232 transceiver combination device family which supports data rates of up to 1 Mbps.
Low-power solution leverages Si2-approved common power format
Product News  
1/29/2007   Post a comment
A common power format-enabled low-power solution from Cadence Design Systems increases productivity and reduces project risk by integrating low-power design, verification and implementation.
Clock buffers operate at low voltages
Product News  
1/29/2007   Post a comment
Pericom Semiconductor says it has introduced the industry's lowest operating voltage clock buffers with supply voltages of 1.2 V/1.5 V and 1.8 V/2.5 V.
Flat-panel TV codecs offer multi-channel analog, digital routing
Product News  
1/29/2007   Post a comment
Wolfson Microelectronics plc is sampling three multi-channel audio codecs with flexible I/O selection and digital and analog volume control for flat-panel TVs.
Bluetooth chip integrates DSP to boost audio quality in headsets
Product News  
1/29/2007   Post a comment
Broadcom Corp. is sampling two single-chip Bluetooth products that are designed to improve the user experience of wireless mono and stereo headsets.
Under the Hood Teardown: Samsung YP-K5 features MP3, FM, images, and good audio
Teardown  
1/27/2007   Post a comment
Samsung YP-K5 includes MP3 player, FM radio, JPEG image viewer, and pop-out stereo speakers for high-quality audio without headphones
ADI, Legend open Chinese design lab for mobile TV
News & Analysis  
1/26/2007   Post a comment
Analog Devices Inc. (ADI) and Legend Silicon Corp. announced Friday (Jan. 26) the opening of a joint design laboratory to develop reference designs for China's emerging mobile TV market.
Dolphin, Stargen merge to ride Express
News & Analysis  
1/26/2007   Post a comment
Dolphin Interconnect Solutions ASA will acquire StarGen Inc. in a stock transaction that will focus the two companies on I/O and clustering products based on PCI Express
Auto-focus zoom camera block design uses wide range image sensor for surveillance
Design How-To  
1/26/2007   Post a comment
Dallmeier Components' new Integrated Optics Package for use in pan-tilt-zoom surveillance video cameras incorporates Pixim's Orca Chipset for ultra wide dynamic range imaging (102dB typical). The image sensor converts light to a digital signal directly at the point of capture, enabling each pixel to have independent, optimized exposure. Here's the inside story of how it works and how it was designed.
Dual driver handles up to 12 white-LEDs
Product News  
1/26/2007   Post a comment
Linear Technology's LT3497 is a dual, full-featured step-up DC/DC converter that drives up to 12 white LEDs.
Voltage supervisors have the broadest memory options
Product News  
1/25/2007   Post a comment
Catalyst Semiconductor says its CAT130xx-CAT150xx families of voltage supervisors offer the industry's broadest selection of embedded memory.
Op-amps' response to data-acquisition is fast and furious
Product News  
1/24/2007   Post a comment
Product Focus - Next-generation op-amps for data acquisition provide higher AC and DC accuracy with better gain-noise and power managing characteristics for working with high-performance A/D converters.
Self-powered wireless sensor nodes: Among other things, a load management feat
Design How-To  
1/24/2007   Post a comment
Distributed, self-powered, micro-scale, wireless sensor networks promise to revolutionize large-scale systems, changing the way they are studied, built, monitored, and controlled. Key enabling attributes to this technology are its high sensor-density and non-invasive features, which present challenges. Here's what you need to know.
RF Micro quarterly revenue surges
News & Analysis  
1/23/2007   Post a comment
RF Micro Devices posted fiscal third quarter revenue of $281.1 million, up 14 percent sequentially and up 35 percent year-to-year, the company said
Automotive LDO runs without a glitch from cold-crank to load-dump
Product News  
1/23/2007   Post a comment
Maxim's MAX5092 low-dropout (LDO) regulator with boost preregulator, for harsh automotive environments and always-on supplies, facilitates true buck-boost operation, thus providing uninterrupted power from cold-crank (4 volts) through the 72-volt load-dump (input voltage) condition.
Dual-mode audio CODEC can drive Class AB or D stages
Product News  
1/22/2007   Post a comment
Wolfson Microelectronics' WM8991 lays claim to the industry's first mobile audio CODEC with a switchable 1-watt driver stage that can be operated in Class AB or D for an 8-ohm speaker.
TI bests Q4 expectations, plans layoff
News & Analysis  
1/22/2007   Post a comment
Surprising Wall Street analysts who were expecting a weaker quarter, Texas Instruments reported a net income of $668 million on sales of $3.46 billion for the fourth quarter of 2006. But the company issued a first quarter revenue outlook that fell below analyst expectations and announced plans to eliminate about 500 jobs.
New fuel cell design adds control, increases output
News & Analysis  
1/22/2007   Post a comment
A fuel cell developed by researchers at Princeton University offers a way to increase the output of fuel cell.
Staccato's chip-scale package cuts UWB footprint 70 percent
Product News  
1/22/2007   Post a comment
Ripcord is single-chip, all-CMOS solution that boasts a footprint of only 7.5mm by 7.5mm.
Get the most (charging) out of your USB port
Design How-To  
1/21/2007   Post a comment
One of the features of the USB is its advanced power management capability. Find out what the power characteristics of USB ports are, what the challenges are, and how applications can benefit from available USB power.
Ramp generator provides improved control of multiple dc/dc converters
Design How-To  
1/18/2007   Post a comment
This circuit uses a ramp generator to provide improved control of tracking, point-of-load dc/dc supplies
CODECs boost audio for stereo headsets, digital cameras
Product News  
1/18/2007   Post a comment
Two new CODECs from Wolfson Microelectronics are designed to deliver hi-fi stereo quality for stereo headset applications and high quality audio for digital camera systems, respectively.
ChipFETs one-tenth the size of an SO-8 match its thermal performance
Product News  
1/18/2007   Post a comment
Addressing the ever-growing thermal issues in power conversion, eight new n-channel ChipFET power MOSFETs from Vishay, in PowerPAKs just one-fifth the footprint of the SO-8 packages typically used, can handle the same power dissipation (3 watts).
Lower-skew fanout buffers keep system clocks right on time
Product News  
1/18/2007   Post a comment
ON Semiconductor's NB3N551, NB3L553, and NB3N2304NZ 1:4 fanout buffers, high-performance additions to the company's clock management portfolio for telecom, networking, and automated test equipment, have an output skew of as little as 160 ps across its outputs, versus 250 ps for typical devices.
Dual 2-amp LDO features ramp control and tracking/sequencing
Product News  
1/17/2007   Post a comment
Micrel's MIC68220 dual 2-amp LDO regulator, for powering FPGA and microcontroller applications in broadband modems, routers, set-top boxes, home entertainment systems, storage networks, wireless base stations, and car infotainment systems, touts unique functionality that includes ramp control and tracking and sequencing capability in the smallest possible footprint.
Keep your eyes on Cambridge
Blog  
1/17/2007   Post a comment
Could it be that CSR + ARM = something to be reckoned with?
Electronic and mechanical pointing, signal processing, and clever element configuration come together in automotive hybrid sat-TV antenna design: Part 3
Design How-To  
1/17/2007   Post a comment
Beyond the antenna and tracking, key technologies include the physical radome, the low noise block amplifier/IF converter, motors, and rotary joints.
Digital control challenges old ideas about power supply design
Design How-To  
1/17/2007   1 comment
Trade-offs are part of power supply designing but digital control is challenging these decisions. Find out how digital control is forcing a re-evaluation about using voltage-mode or current-mode control.
Fairchild to acquire System General for $200 million
News & Analysis  
1/17/2007   Post a comment
Fairchild Semiconductor is moving fast to bolster its position with Asian power supply manufacturers by acquiring embattled Taipei-based power chip supplier, System General.
Battery charger controller improves efficiency and extends battery life
Product News  
1/17/2007   Post a comment
Intersil offers a battery charger controller that provides +/-0.5% charge voltage accuracy and a programmable charge current limit, adapter current limit and charge voltage for configuring to a wide range of Li-Ion/Li-Ion polymer battery packs.
12-, 14-bit ADCs hit the beam for radar, imaging applications
Product News  
1/17/2007   Post a comment
Texas Instruments says its 14-bit, 210-MSPS ADS5547 analog-to-digital converter for video, radar, and imaging applications, a pin-compatible addition to the company's ADS5546 family, is the industry's fastest.
How to survive the upcoming revolution in the WLAN access model
Design How-To  
1/16/2007   Post a comment
Next-Generation WLANs will achieve sophisticated packet control with new architectures and software.
4th-order video filter IC surpasses passive LC performance
Product News  
1/16/2007   Post a comment
Fairchild's 4th-order, single-channel video filter/driver, which offers an 8 kV ESD rating and a SC70 package option, touts better performance at lower cost than passive LC filters for DVD players and printers for digital still cameras.
Delphi teams with DiBcom on car SDB-T receiver
News & Analysis  
1/16/2007   Post a comment
The new TV receiver platform is designed to meet the needs of the Japanese market.
World's smallest digital TV demodulator?
Product News  
1/16/2007   Post a comment
Here's news of a very small ATSC-A/53-compliant demodulator that meets the imminent FCC tuner mandate for the US. It will be able to demodulate standard and high-def TV meeting ATSC-A/53 specs for North American broadcast standards, and QAM 64/256 as specified by the ITU.
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