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Content tagged with Analog ICs
posted in February 2007
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Determine the performances of resistor technologies in surge/overload conditions
Design How-To  
2/12/2007   Post a comment
When specifying a resistor for a specific application, such as power supplies, it is important to consider not only the capabilities of each resistor technology but also their characteristics under surge conditions. Here's what you need to know.
Video color space converter design using mixed-signal via-configurable ASICs
Design How-To  
2/9/2007   Post a comment
Mixed-signal via-configurable ASIC technology gives designers the ability to develop fully integrated mixed-signal ASICs without the lengthy development cycles, high NREs, high risk, and extended fabrication times associated with full-custom mixed-signal IC development. Designing a complete video color space converter becomes easier, for example, with mixed-signal via-configurable ASIC.
Tiny power management IC offers three output voltages
Product News  
2/9/2007   Post a comment
Check out Micrel's latest power management chip, the MIC2810. This device provides three output voltages to power DSPs, CPLDs and graphics chipsets in many applications, including smart phones, PDAs, and wireless LAN cards.
Differential ADC drivers deliver low distortion levels
Product News  
2/9/2007   Post a comment
Analog Devices extended its family differential amplifiers with a pair of devices that it claims delivers distortion levels 10 dB lower than competing driver ICs.
Mini internal audio alert outputs 90 dBA
Product News  
2/9/2007   Post a comment
Transducers USA announced its model TRSIE-1105; an internal drive electro-mechanical surface mount audio alert unit measuring 12x12x6mm. It provides a sound output of 90 dBA minimum at a frequency of 2400 500Hz and is available in 5- or 12-VDC versions,at 15 or 20 mA, respectively. The operating temperature range is from -20 to 70°C.
A-GPS reference design delivers cost savings, better performance
Product News  
2/8/2007   Post a comment
Significant cost reductions result from patented signal processing techniques and a host-based architecture.
How much load can your operational amplifier drive?
Design How-To  
2/8/2007   Post a comment
Op amp output current drive is a critical yet difficult-to-assess parameter. What complicates matters is that vendors specify output current quite differently.
CSR's Bluetooth headset chip enables a $6 eBOM
Product News  
2/8/2007   Post a comment
CSR's BlueVOX-QFN is the only Bluetooth headset chip that enables a low-cost, two-layer, single-sided PCB.
Tiny dual-band GSM/GPRS Tx module simplifies handset design
Product News  
2/8/2007   Post a comment
Check out TriQuint's latest addition to the QUANTUM family of dual-band GSM/GPRS Tx modules that measure just 6x6x1.1mm. Aimed at the entry-level wireless handset market, the TQM6M4028 integrates many key components to simplify the manufacturing process.
Renesas chip to power next Japanese 2G/3G platform
News & Analysis  
2/8/2007   Post a comment
NTT Docomo, Renesas Technology and four mobile handset partners have agreed to launch a next-generation mobile phone platform based on the Symbian operating system to deliver high-speed data to wideband CDMA phones.
Clock buffer offers low skew, duty cycle
Product News  
2/8/2007   Post a comment
Pericom Semiconductor released a line of voltage clock buffers. This generation of clock products enables effective clock distribution with tight signal integrity requirements for networking, storage, and telecom infrastructure applications such as Gigabit Ethernet.
Serializer/deserializer squashes power consumption, needs no external clock, provides dual display interfaces
Product News  
2/7/2007   Post a comment
Second-generation SerDes reduces power needs and interface connections, supports dual displays for portable devices
Gate drivers support up to 30A/1200V MOSFETs in industrial apps
Product News  
2/7/2007   Post a comment
Check out Fairchild's first in a family of high-frequency optically isolated MOSFET gate drivers. The FOD3180 and FOD3181 are capable of driving up to 30A / 1200V in industrial applications, and exhibit a 200ns (max) rise/fall time rate to quickly turn the power MOSFET on and offer to limit power dissipation.
Newark InOne to distribute Analog Devices
News & Analysis  
2/6/2007   Post a comment
Analog Devices Inc. (ADI) has tapped catalog distributor Newark InOne to offer its full line of analog, DSP and mixed-signal ICs in the Americas, and participate in its new product introduction program.
ADI launches multi-channel DAC line
Product News  
2/6/2007   Post a comment
Analog Devices' latest DAC line features 16-bit devices that integrate output amplifiers, references and diagnostic feature to help solve difficult board design and layout challenges in factory process control and instrumentation systems.
90-nm read channel consumes 50 percent less power
Product News  
2/6/2007   Post a comment
Agere Systems has started to ship a 90-nm TrueStore read channel that delivers half the electrical current required by the previous-generation read channels, extending the battery life of handheld consumer electronic devices, such as MP3 players and portable media players, without recharge.
Use negative-swing analog switches for portable audio
Design How-To  
2/6/2007   Post a comment
Negative-swing-capable switches allow audio designers to use 0 V-biased audio amplifiers; this allows audio-source sharing between multiple speakers as well as multiplexing of multiple audio sources to a single speaker
Industry's first energy harvesting modules introduced for wireless sensor networks, others
Product News  
2/6/2007   Post a comment
Advanced Linear Devices introduces energy harvesting modules designed specifically to capture, accumulate and store power from a variety of energy harvesting sources and supply it to wireless sensor networks, remote controls and other applications.
National Semi trims guidance
News & Analysis  
2/5/2007   Post a comment
National Semiconductor lowered its revenue guidance for the current quarter, saying it now expects revenue for the third quarter of fiscal 2007 to be down 14 to 15 percent from the $501.6 million it posted in the previous quarter.
Tektronix offers clock recovery module
Product News  
2/5/2007   Post a comment
Tektronix, Inc. and SyntheSys Research joined forces to create the 80A07 BERTScope CR clock recovery module for stressed or degraded signals.
National unveils constant output Class D audio amplifier
Product News  
2/5/2007   Post a comment
Check out details about the LM48510, National's 1.7-W high-efficiency device that it claims is the industry's first constant output Class D audio amplifier. It enables manufacturers to design portable products that are able to operate at constant high-level output power even as batteries deplete to lower voltages.
Technical Close-Up: Mixer IC includes on-chip coupling transformers
Product News  
2/5/2007   Post a comment
Here's news of a high linearity active mixer chip that offers high dynamic range and bandwidth sufficient to cover 3G and WiMAX base-station frequencies to 3.8-GHz.
PWM controller increases efficiency, saves space
Product News  
2/4/2007   Post a comment
Intersil has developed a PWM controller that integrates the control, gate drivers, output adjustment, monitoring and protection functions into a 4mm x 4mm 16-lead QFN package.
How to control input ripple and noise in buck converters
Design How-To  
2/4/2007   Post a comment
A number of relatively simple methods are available to reduce input noise and its impact on other devices. This article describes these sources of input noise and ripple and some basic methods to attenuate its occurrence.
EPRI unveils major energy-efficiency research initiative
News & Analysis  
2/4/2007   Post a comment
Electric Power Research Institute unveils a project aimed at transitioning to a smart power delivery, operation, load management system.
ST chip offers color, ambient light sensing
Product News  
2/2/2007   Post a comment
ST has developed a system-friendly ambient light and color sensing chip for lighting control and optical feedback applications. The VM6101 is said to be the first product in the market to offer both color and ambient light sensing.
Improve results in wideband A/D conversion, Part 2
Design How-To  
2/2/2007   Post a comment
Part 2 of this series takes an in-depth look at performance of A/D conversion as it relates to the configuration of the transformer.
High-voltage PWM buck converter sports small packaging
Product News  
2/2/2007   Post a comment
Check out Diodes' latest generation 300-KHz 3A asynchronous PWM buck converter. The AP1580 is housed in a new thermally enhanced, SOP-8L package to meet the growing demand for smaller form factor packaging required in today's power management designs.
Transceiver rolls for high-speed FireWire
Product News  
2/2/2007   Post a comment
At a 1-Gbits/s data transmission speed, the EQCO 800SC transceiver chip from EqcoLogic NV can transmit IEEE 1394b FireWire signals two ways simultaneously over a single COAX cable.
Audio ADC supports sampling rates up to 216-kHz
Product News  
2/1/2007   Post a comment
Capable of sampling rates up to 216-kHz, the AK5386 analog-to-digital converter (ADC) provides the built-in variable pitch function required for professional audio equipment, DVD recorders, A/V receivers and sound-card applications.
M-LVDS receivers cut board space, power in backplane apps
Product News  
2/1/2007   Post a comment
TI has developed a pair of dedicated M-LVDS receivers that are aimed at cutting board space, power consumption and cost in backplane applications, such as cellular base stations, central office switches, network switches, routers and AdvancedTCA systems.
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