Product category: Analogue and Mixed Signal ICs
News Release from: Analog Devices | Subject: AD8027
Edited by the Electronicstalk Editorial Team on 24 January 2003

Selectable crossover cuts amplifier distortion

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Analog Devices has released the first device in a new family of high-performance amplifiers with rail-to-rail inputs and outputs that work on supply voltages down to 2.7V

The AD8027 features high bandwidth (180MHz at unity gain), and 100V/us slew rate. Low distortion over the entire input range is the most novel feature of the AD8027. While all amplifiers with rail-to-rail inputs have an input stage that switches from one differential pair to another as the input signal crosses the threshold voltage, the AD8027 has a "selectable crossover" feature that allows that threshold to be selected - close to either the positive or negative rail - at the designer's discretion, minimising the effects of crossover distortion.

The AD8027 offers the industry's lowest distortion over the entire input range, including the crossover glitch.

With a wide supply voltage range (2.7 to 12V), wide bandwidth, low quiescent current (6mA maximum), and a power down feature, the AD8027 amplifier is designed to work in a variety of applications where speed, performance and dynamic range are critical, especially those requiring low supply voltages and low power consumption.

These applications include, but are not limited to, filtering, A/D convertor driving, level shifting, buffering and battery-powered instrumentation.

The AD8027 amplifier is available now in a SOT-23 and SOIC packages and is rated to work over the industrial temperature range of -40 to +85C.

The AD8027 is priced at $1.19 per unit in 1000-piece quantities.

A dual version, the AD8028, will be available in March 2003.

(This was Electronicstalk's Top Story on 24 January 2003)

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