Introduction

Highlights of this issue include new product releases from Texas Instruments, ON Semiconductor, Linear Technology and Maxim Integrated Products; design features on system or technology to dictate ADC choice and online tool for active filter design; analogue-related design ideas; schedule of the ECCSC'10 conference and the Texas Instruments data converter seminar; and research studies on analog IC market.


 

12 May 2010

800Msamples/s interpolating DAC
Texas Instruments has introduced a 16bit, 800Msamples/s interpolating DAC (digital-to-analogue converter), which provides 75dBc third-order intermodulation distortion at 200MHz. Offered in a 7x7mm QFN package, the DAC3283 saves board space in wireless communications, software defined radio, test and measurement, and power amplifier linearisation applications.
Texas Instruments

30V N-channel power MOSFETs with integrated Schottky diodes
ON Semiconductor has broadened its portfolio of N-channel power MOSFET devices with the introduction of new 30V products with integrated Schottky diodes. The NTMFS4897NF, NTMFS4898NF and NTMFS4899NF have maximum RDS(on) values of 2, 3 and 5m?, respectively at 10V, optimised for synchronous side in buck converter applications to achieve high power efficiency.
ON Semiconductor

16bit, 80Msamples/s ADC reduces noise in data conversion systems
Linear Technology has introduced a low-power, 16bit no missing codes, 80Msamples/s ADC (analogue-to-digital converter) that dissipates only 89mW. The LTC2259-16 provides a pin-compatible upgrade to the existing LTC2259-14 family of 14bit low power ADCs.
Linear Technology

Current-sense amplifier
Maxim Integrated Products has introduced the MAX9634, the latest addition to its portfolio of high-side CSAs (current-sense amplifiers). The 1mm2 device is designed for space-constrained portable applications. Featuring an input-voltage range from 1.6 to 28V, the device is suitable for a selection of battery-powered devices, including smartphones, digital cameras, PDAs, MP3 cameras, and notebook computers.
Maxim Integrated Products

 

Baker's Best: System or technology dictates ADC choice
How do you decide which ADC technology to use in your applications before you do a thorough system evaluation? Maybe you prefer SAR (successive-approximationregister) ADCs because you assume they are easy to use and a bit faster than delta-sigma converters.


Online tool for active filter design
Intersil’s iSim Active Filter Designer is an online tool that assists with the design of operational amplifier-based active filters and minimises design differences in the transition from simulation to production.

 

A designer's guide to op-amp gain error
Selecting an op amp for an amplification circuit is a task that is familiar to analogue designers. For any given application, you first have to determine the amplifier's closedloop gain and 3-dB frequency. Op amps that are too fast for the application tend to introduce drawbacks in terms of current consumption, offset error, component cost or stability issues, which can lead to layout restrictions or even an additional development loop.


Virtual remote sensing for accurate power delivery
Linear Technology’s LT4180 is an IC that you can use to improve the performance of a power supply; you can achieve improved voltage regulation at the point-of-load without adding an extra pair of sense connections in a four-wire configuration.
 

ECCSC'10, 23-25 November 2010 at Belgrade, Serbia
The topics covered in the 5th European Conference on Circuits and Systems for Communications include analog and digital circuits and systems for communications, modeling and simulation, RF-IC, SoC/SiP, signal processing and implementation in communications and wideband and ultra-wideband communication.


Texas Instruments Data Converter Seminar, 26 May 2010 at Milan, Italy
Texas Instruments Data Converter Seminar is addressed to hardware designers who are keen on learning about the latest news and highlights of TI’s powerful data converter portfolio. It is also useful to people without design knowledge, who are going to design with ADC or DAC converters in the near future.

 

2010 Analog ICs
For the near future, expect analog products revenue to be higher in all of the major markets, and in communications and consumer segments especially, driven by the increased demand from portable electronics and handsets, and by increasing consumption by the Asia Pacific region.

 

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