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Content posted in May 2007
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Input ADC offers fault protection up to ±30 V
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5/31/2007   Post a comment
Linear Technology released the LTC1856, a 5 V, 16-bit, 8-channel, 100 ksamples/s analog-to-digital (ADC) converter with ±10 V input ranges and additional fault protection. An overvoltage fault up to ±30 V on one or more unused channels will not corrupt the accuracy of the selected channel and provides protection on 24 V (±10% tolerance) industrial supply lines.
SMD op amps meet rugged requirements of military applications
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5/31/2007   Post a comment
Intersil Corp. developed ten high-bandwidth SMD op amps. These devices, certified to operate over the full military temperature range of -55°C to 125°C, target applications including military avionics, navigations, weapons and control systems.
Regulators use I2C interface for overvoltage, overcurrent protection
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5/31/2007   Post a comment
Intersil released the ISL6422B and ISL6423B low-noise block (LNB) supply and control voltage regulators. These regulators use an I2C interface to improve system reliability by reporting diagnostics and protecting a satellite set top box (SSTB) against overvoltage, overcurrent, overtemperature and backward current.
Video IC delivers high resolution video
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5/30/2007   Post a comment
The ISL51002 10-bit video digitizer from Intersil Corp. combines ease-of-use and high-resolution video performance to offer a solution for digitizing analog YPbPr video from HDTV tuners, set-top boxes, SD and HD DVDs, as well as RGB graphics signals from PCs and workstations.
REVIEW: PMBus point-of-load DC-to-DC chip has 500-mV to 8-V output ranges
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5/30/2007   Post a comment
Here's a nifty power conversion and power management IC for synchronous DC-to-DC converter designs. The chip is configured to regulate two independent outputs, or two phases in a single output mode, and supports two types of current-sense topologies. Output range spans 500-mV to 8-V. eeProductCenter Senior Tech Editor Alex Mendelsohn reports.
ADC drivers operate from single 3 V supply
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5/29/2007   Post a comment
Linear Technology released the LTC6400-20 and LTC6401-20, ADC drivers which operate from a single 3 V supply. These fully differential amplifiers include gain-setting resistors, which aid in the driving of high-speed ADCs.
A/D converter targets small, battery-operated devices
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5/29/2007   Post a comment
austriamicrosystems expanded their A/D converter portfolio with the AS1524 12-bit, low-power, single-channel full-differential A/D converter, and the AS1525 dual-channel, single-ended low-power A/D converter.
Solid-state MUX delivers 40-V switching
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5/29/2007   Post a comment
Pickering Interfaces is expanding its PXI switching product line with the 40-682 versatile multiplexer (MUX) that uses high-performance solid state switching to provide it with long service life, no switch bounce, and low on resistance.
Fe, Fi, Fo, Fum, FiOS?
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5/28/2007   Post a comment
Most commercials about anything technical have the main character as either a super-geek nerd, or a hopelessly confused nitwit. That's why I like the Verizon ad for their FiOS service, because the lead character is neither; instead, he is both passionate and proud of what he is offering
Bill Schweber, Site Editor
Powering resistive touch screens efficiently
Articles  
5/28/2007   1 comment
Managing touch-screen interface power is critical because the sophistication of the electronics around the screen is growing dramatically. Understand how to keep power dissipation of the system as low as possible, to handle both increasing functionality and user demands.
Temperature sensor offers easy thermal diode monitoring
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5/28/2007   Post a comment
TI has introduced an integrated +/-1 degree C maximum remote junction temperature sensor and local temperature sensor, designed to monitor thermal diodes found in CPUs, microprocessors, graphics processing units and FPGAs. The TMP411 is said to simplify the design process with easy thermal diode monitoring.
REVIEW: Antenna-routing hybrid endows cellular--plus-PCS handsets with GPS
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5/25/2007   Post a comment
Here's news of a hybrid RF signal routing device that offers low insertion-loss while delivering GPS to cell-band isolation, and GPS to PCS-band isolation. eeProductCenter Senior Technical Editor Alex Mendelsohn reports.
Lamp controllers deliver complete digitally-interfaced backlight control system
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5/23/2007   Post a comment
Microsemi has introduced two backlight controllers for notebook computers, expanding its portfolio of devices that power cold cathode fluorescent lamps (CCFLs) in LCD displays.
Teridian launches single-package DAA modem device
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5/23/2007   Post a comment
Check out Teridian's pair of modem chipsets, one of which it claims is the first single package silicon direct access arrangement (DAA) product that uses an inexpensive common pulse transformer to form a digital isolation barrier.
Temperature sensor allows 27 addresses on one I2C bus
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5/22/2007   Post a comment
Maxim Integrated Products has introduced the low-voltage DS75LX, a digital temperature sensor that allows up to 27 addresses on one I2C communication bus.
Fujitsu preps mobile WiMAX SoC
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5/21/2007   Post a comment
Fujitsu is getting ready to sample in August its first mobile baseband SoC that is designed using 90-nm low-leakage process technology.
Boost regulator offers high-current output, fault protection
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5/18/2007   Post a comment
Intersil released the ISL97701; a boost regulator which provides a design for passive matrix OLEDs. With efficiency up to 87%, the ISL97701 can deliver 50 mA of output current at 18 V. It can provide up to 28 V output, enabling power-efficient operations in MP3, portable media players, automotive clustering and low-end cell phones PMOLED displays.
LDO linear regulator offers quiescent current of 3µA
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5/18/2007   Post a comment
Linear Technology developed the LT3009, a micropower low dropout voltage (LDO) linear regulator with low quiescent current of 3µA. The LT3009 features a low-dropout voltage of 280 mV and delivers up to 20 mA of output current, with a VIN capability of 1.6 V to 20 V and an adjustable output from 0.6 V to 19.5 V.
Low voltage is sexy, but high voltage is reality
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5/18/2007   Post a comment
Low-voltage operation is increasingly becoming a driving factor in component design, but higher voltages are alive and very well
ADCs operate at temperature up to 125°C
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5/17/2007   Post a comment
Linear Technology developed the LTC1403AH, a 14-bit, 2.8 Msamples/s SAR ADC which operates over the automotive -40°C to +125°C temperature range. The LTC1403AH is powered from a single 2.7 V to 3.6 V supply, draws 14 mW at 2.8 Msamples/s, and is available in a small, 10-lead MSOP package.
Regulator controller steps down voltages from 100 V
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5/16/2007   Post a comment
Linear Technology introduced the LTC3810, a high-input-voltage, synchronous, step-down switching regulator controller which can directly step-down voltages from 100 V to output voltages ranging from 0.8 V to 93% of VIN.
Cadence Introduces Complete Custom IC Simulation and Verification Solution
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5/15/2007   Post a comment
The new release of Cadence's Virtuoso Multi-Mode Simulation Solution Enables Fast and Accurate Verification of Designs Across Analog, RF, Custom Digital, Memory and Mixed-Signal Domains.
1:2 eSATA port multiplier targets data storage environments
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5/15/2007   Post a comment
Exar expanded their EXstor SATA port multiplier family with the addition of the 1:2 eSATA port multiplier device. This design targets data storage environments including data management systems for consumer, industrial and small medium enterprise (SME) applications.
REVIEW: Power management chip throttles USB source
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5/15/2007   Post a comment
USB battery charging gets easier, thanks to a new power management chip from IC maker Linear Technology. Its bus controlled LTC3555 multi-function power management device for li-ion/polymer battery applications, integrates a switching manager, battery charger, and multiple synchronous buck regulators, plus an always-on LDO, all in a QFN surface-mount package. eeProductCenter Senior Tech Editor Alex Mendelsohn checks it out.
Video decoders offer eight-channels for digital video security applications
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5/14/2007   Post a comment
Conexant Systems released the first in a series of products developed for the digital video security and surveillance marketplace. The integrated CX25850/1/3 multi-port video decoders can be used in PC-based or standalone digital video recording (DVR) applications, and support functions ranging from basic record-only to advanced real-time video capture.
S/PDIF transceivers offer jitter suppression in audio band
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5/14/2007   Post a comment
Wolfson Microelectronics released the WM8804 and WM8805 audio transceivers which address the challenges of cost-effective S/PDIF audio data transfer in LCD televisions, hi-fi and PC motherboards.
DAC family suitable for 'under the hood' applications
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5/14/2007   Post a comment
Linear Technology developed the LTC2630, a family of 12-bit, 10-bit and 8-bit digital-to-analog converters (DACs) in 2.1 x 2-mm SC70 packages. The LTC2630 offers the choice of an internal 2.5 V or 4.096 V, 10 ppm/°C full-scale reference.
Switch mode USB power manager, triple buck regulator quickens charge time, minimizes heat
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5/14/2007   Post a comment
Linear Technology introduces the first in a family multi-function power management device that integrates a switching PowerPath manager, a standalone battery charger, an ideal diode, I2C control, three high efficiency synchronous buck regulators plus an always-on LDO.
My fab(ulous) desktop challenge
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5/14/2007   Post a comment
Fabs are getting bigger and costlier, but perhaps a redefined objective would offer a way out. If low-volume, constrained-design IC production was sufficient, maybe a desktop fab would be feasible. Bill Schweber, Site Editor
RF front-end chipset debuts for DOCSIS 3.0 cable modems
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5/10/2007   Post a comment
Anadigics' RF front-end chipset for DOCSIS 3.0 cable modems integrates a tuner and upstream amplifier to enable wideband systems that support high-speed interactive data and IP video.
Power modules target L-Band radar applications
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5/10/2007   Post a comment
Microsemi launched the Power Solution Modules (PSM) series designed for high power L-Band pulsed radar applications.
ST samples configurable mixed-signal chip
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5/10/2007   Post a comment
STMicroelectronics unveiled what it is touting as the industry's first IC with a complete set of configurable and customizable analog functions for printer, fax, and point-of-sale system applications.
USB 2.0 multiplexer reduces connectors, improves cradle functionality
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5/10/2007   Post a comment
Intersil introduced the ISL54200 USB 2.0 high/full speed multiplexer which provides a flexible, high performance design for interfacing USB and non-USB portable devices.
REVIEW: Body Area Network gets under your skin
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5/10/2007   Post a comment
Zarlink Semiconductor's ZL70101 transceiver chip is an ultra low-power RF SoC for implanted medical devices. The high data-rate ZL70101 transceiver dissipates mere milliwatts, thanks to unique wake-up circuitry. eeProductCenter Senior Technical Editor Alex Mendelsohn reports.
Amplifier resolves small differential signals despite 36 V common mode
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5/9/2007   Post a comment
Linear Technology released the LT6106, a high-side current-sense amplifier which can resolve small differential signals from common mode voltages up to 36 V. With 250 µV(max) of input offset voltage and a full-scale differential input of 500 mV, the LT6106 offers a dynamic range of 2000:1.
Tiny LED driver boasts high power
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5/9/2007   Post a comment
Micrel says it has developed the industry's tiniest (3 x 3 mm) and most powerful (7 W) LED driver for portable applications that enables designers to enhance their integrated cameras with a high-brightness LED flash that consumes minimal board space and battery life.
Data acquisition, signal-conditioning systems configured with 'personality modules'
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5/9/2007   Post a comment
GE Fanuc Embedded Systems announced the DaqScribe DSC-2200 series of signal-conditioning systems and the DSC-2200.Net network-centric data-acquisition systems. The DSC-2200 system series supports up to 32 channels of signal conditioning, each of which is fully programmable and can be configured with its own 'personality module', per chassis.
Analog chip extends copper cable reach in active cable apps
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5/9/2007   Post a comment
Quellan expands its Lane Extender IC family with a 4-channel device with an embedded ultra-small QSFP connector that enables longer reach, thinner copper cable in data centers. Upshot: The combo device offers a 33% increase in port density, a 300% reach extension over copper and an 80% power savings over fiber optics.
Digital potentiometers operate up to 125 degrees C
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5/9/2007   Post a comment
Intersil has introduced two families of non-volatile digitally-controlled potentiometers with SPI and I2C interfaces that are available in single, dual and quad versions with a wide operating temperature range up to 125 degrees C.
Wireless sensor network node supports ZigBee spec
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5/8/2007   Post a comment
Check out the Moteiv Tmote Mini, which is a wireless sensor network node, or "mote" that supports the ZigBee specification. Since the Tmote Mini is packaged in an industry-standard miniSDIO form factor, it can be easily integrated into cell phones, PDAs, and other mobile products.
Controller steps down voltages as high as 60 V
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5/7/2007   Post a comment
Linear Technology developed the LTC3812-5, a high-input-voltage, synchronous, step-down switching regulator controller which directly steps down voltages from 6-to-60 V to output voltages ranging from 0.8 V to 93% of VIN.
REVIEW: ARM-powered silicon eases point-of-load power source design
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5/7/2007   Post a comment
Chip maker Texas Instruments introduces a 3rd-generation digital power controller and plug-in modules. These devices intelligently manage power systems, handling up to four independent digital-control loops and up to eight phases, while improving energy efficiency under light loading. eeProductCenter Senior Technical Editor Alex Mendelsohn checks them out.
ST samples 65-nm multi-standard HDD physical layer IP
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5/6/2007   Post a comment
Check out ST's 65-nm MIPHY macro-cell, which will be integrated in SoC designs for SATA applications.
Mixed-signal memory IC saves board space, cost
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5/6/2007   Post a comment
Dallas Semiconductor has developed a memory device that integrates mixed-signal and nonvolatile memory functions and is designed to save board space and reduce cost for communication, medical, consumer, and industrial equipment makers.
Configurable 24-bit audio codec supports asynchronous operation
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5/6/2007   Post a comment
TI has introduced a 24-bit audio codec that supports asynchronous operation, allowing the A/D converter and D/A converter to operate with independent clocks.
Integrated pulser chips target portable ultrasound apps
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5/6/2007   Post a comment
Supertex has introduced a pair of four-channel ultrasound pulser ICs that combine logic control circuitry, level translators, MOSFET gate drive buffers and high current, high voltage outputs in one small monolithic package.
Kit evaluates SNAP-based wireless networks
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5/6/2007   Post a comment
To allow potential customers to evaluate its products, Synapse is offering the Synapse Network Evaluation Kit that includes a Synapse Coordinator, three Synapse End Devices, and a free starter version of the intuitive Synapse Portal PC-based network administration and configuration software.
Software controls SNAP, ZigBee wireless networks
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5/6/2007   Post a comment
Synapse announced its Portal PC-based software for configuring and controlling SNAP (Synapse Network Appliance Protocol) and ZigBee wireless networks.
Small ZigBee-like self-forming network stack debuts
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5/6/2007   Post a comment
Synapse introduced SNAP, which stands for Synapse Network Appliance Protocol. SNAP is a high-performance, low-power, small-memory-footprint protocol that allows anyone to create an intelligent wireless network, without having to know anything about wireless networks.
Climate change R&D: engineering promise or peril?
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5/4/2007   Post a comment
R&D investment to improve efficiency and minimize energy usage may have some positive consequences, as well as unintended negative ones, for the engineering profession....
Bill Schweber, Site Editor
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