Introduction

Highlights of this issue include new product releases from Linear Technology, NXP Semiconductors, Atmel and International Rectifier; design features on resistor network and analog floating-gate technolog; analogue-related design ideas; schedule of the ESSCIRC 2010 and the EuMC 2010 conferences; and research studies on the analog IC market.

 

12 march 2010
 

Rail-to-rail input and output ADC driver
Linear Technology has introduced the LT6350, a 33MHz, low noise, rail-to-rail input and output ADC driver that settles to 16-bits in 350ns. It is suitable for driving new high performance SAR ADCs such as the LTC2393-16. The device incorporates two op amps and matched resistors to create a differential output from a single-ended high impedance input.
Linear Technology

High speed converters interoperable with FPGAs
NXP Semiconductors’ CGV series of JESD204A-compliant data converters are interoperable with Altera’s Stratix IV GX and Arria II GX FPGA families. The converters are suitable for cellular base stations and other wireless communication infrastructure equipment, as well as medical, instrumentation and military/aerospace applications.
NXP Semiconductors

Automotive-qualified capacitive touch controllers
At this week’s Embedded World event, Atmel announced an automotive-qualified version of its Q-Touch product line; AT42QT1110 is an 11-key capacitive touch controller that meets all device specification requirements for the automotive industry.
Atmel

IR qualifies DirectFET MOSFET package for automotive designs
International Rectifier has introduced a new variant of its DirectFET package for power switch devices, with features optimised for automotive designs. DirectFET is a metal can package that holds a single FET die. It takes the form of an inverted dish, of the same depth as the die thickness, and IR uses it for vertical FETs, with source and drain connections on front and back of the silicon.
International Rectifier
 

Resistor network sets gain for fixed-gain differential amplifier
When a fixed-gain amplifier doesn’t offer the optimum gain for your application, you can adjust the gain to a lower value by adding an external resistor network. This attenuation circuit works like a voltage divider but with a key difference: Resistors inside the fixed-gain amplifier load down the external network.

Analog Floating-Gate Technology Comes Into Its Own
Just as its name implies, a floating-gate transistor’s driving terminal is electrically isolated from the rest of the device—that is, floating—so there is no direct internal dc path from the input terminal to the other terminals.
 

Multidecade BCD DAC uses resistors of only six values
A previous Design Idea uses a three-decade BCD (binarycoded- decimal) DAC to precisely set the output current of a current source. The circuit acts as a code-to-conductivity converter. The values of resistors of this DAC are staggered by powers of two within any of the decades, and the values of resistors at corresponding bits of the decades are staggered by powers of 10.

Circuit uses two reference voltages to improve hysteresis accuracy
In advanced IC comparators, programmable hysteresis eliminates 0V-centered differential-inputvoltage noise and improves the comparator’s response if its differential-input voltage is low or varies slowly over time.
 

ESSCIRC 2010, 13-17 30 September 2010 at Seville, Spain
The aim of the ESSCIRC conference is to provide an annual European forum for the presentation and discussion of recent advances in solid-state circuits. ESSCIRC, and its sister conference ESSDERC share a single Steering Committee, and are held together to enable both communities to share advances in the technologies and design which enable increasing levels of sophistication and performance in integrated systems.

EuMC 2010, 26 September to 1 October 2010 at Paris, France
The European Microwave Conference is a forum for presentation of the present status and future trends in the field of microwave, millimetre- and submillimetre-wave systems and technologies. A broad range of high-frequency related topics, from materials and technologies to integrated circuits, systems and applications will be addressed in all their aspects: theory, simulation, design and measurement.
 

Analog IC market to grow 15 p.c in 2010
The general-purpose analog IC market is projected to grow by 15 p.c to reach over $15 billion in 2010 as inventory levels have normalised and demand has risen. According to Databeans Incorporated, the market research firm, the general-purpose analog market posted just over $13 billion in sales in 2009 – down by 15 per cent from 2008.
 

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