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Instrumentation Amplifier delivers zero-drift accuracy.

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August 20, 2012 - Intended for signal and sensor conditioning, AD8237 comes in 8-lead MSOP and is rated for -40 to +125C operation. Input offset drift is less than 0.3 V/C, and input signal range extends 300 mV beyond supply rails. Measurement precision is bolstered by 0.005% max gain error, 0.5 ppm/C drift, and 114 dB CMRR, while quiescent supply current just over 100 A lends to energy efficiency. Operation is via one 1.8-5.5 V supply, and gain (1-1,000) is set by ratio of 2 external resistors.

Instrumentation Amplifier from Analog Devices Combines Power Efficiency, Zero-Drift Accuracy and Value for Portable Medical, Instrumentation and Consumer Devices


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Analog Devices, Inc.
1 Technology Way, P.O. Box 9106
Norwood, MA, 02062-9106
USA



Press release date: August 14, 2012

NORWOOD, Mass.--Analog Devices, Inc. (ADI) introduced today the AD8237 micro-power, zero-drift precision instrumentation amplifier, offering a power-efficient solution for precision signal and sensor conditioning at a competitive price. The AD8237 features a low input offset drift (< 0.3V/C) and an industry leading input signal range that extends 300 mV beyond the supply rails. Combined with a maximum gain error and drift of 0.005% and 0.5 ppm/C respectively, and CMRR (common-mode rejection ratio) of 114 dB, the device offers an unmatched level of precision measurement, even at low gain. With a low quiescent supply current of just over 100 A, the amplifier is well suited for signal conditioning bridge, temperature and other similar sensors used in low-power designs. Target applications for the AD8237 include portable and battery-powered healthcare, consumer and precision instrumentation equipment such as infusion pumps, mobile blood pressure monitors, 4- to 20-mA sensors, gaming peripherals and consumer weigh scales.

Watch a video to learn more about AD8237: http://www.analog.com/AD8237video Order samples and download data sheet: http://www.analog.com/AD8237 For additional support, connect with engineers and ADI product experts on EngineerZone(TM), an online technical support community: http://ez.analog.com/community/amplifiers/instrumentation-amplifiers Find other featured products for instrumentation and measurement applications: http://instrumentation.analog.com/en/segment/im.html

The AD8237 operates off a single supply voltage of 1.8 V to 5.5 V and ships in a compact MSOP-8 package. The gain (1 to 1000) is set by the ratio of two external resistors, which combined with industry leading gain error performance, provides superior gain accuracy over temperature.

AD8237 Micro-power, Zero-Drift Instrumentation Amplifier Key Features: Gain Range: 1 to 1000 CMRR: 114 dB DC Precision - Input offset voltage: 75 V - Offset drift: 0.3 V/C Supply Current: 115 A Supply Range: 1.8V to 5.5V Bandwidth (G=100): 10 kHz Gain Error: 0.005% Gain Drift: 0.5ppm/C Input Voltage Noise: 1.5 uVp-p

Availability, Pricing and Complementary Components
 Product      Sample            Temperature         Price Each Per      Packaging              Availability      Range               1,000 AD8237       Now               -40C to 125C      $0.93               8-lead MSOP
The AD8237 operates well in a system with a variety of SAR A/D converters such as the AD7988-1 ultralow power 16-bit SAR converter.

About Analog Devices Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data-conversion and signal-conditioning technologies, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices is included in the S&P 500 Index. http://www.analog.com

To subscribe to ADI's News Feed http://www.analog.com/en/homepage/news.xml

Follow ADI on Twitter at http://www.twitter.com/ADI_News

To subscribe to Analog Dialogue, ADI's monthly technical journal, visit: http://www.analog.com/library/analogDialogue/

Contacts Analog Devices Inc. Sarah Shieh, 781-937-2572 sarah.shieh@analog.com or Porter Novelli Andrew MacLellan, 617-897-8270 andrew.maclellan@porternovelli.com
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