ANALOG DEVICES UNVEILS INDUSTRY’S SMALLEST, LOWEST POWER INSTRUMENTATION AMPLIFIER

- ADI’s AD8235 in-amp enables palm-sized medical devices and activity-monitoring medical products with 50 percent less power consumption than competitive offerings
AD8235 in-amp enables palm-sized medical devices and activity-monitoring medical products.

Norwood, MA (04/27/2009) - Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal processing applications and leading provider of amplifier technology, introduced today the industry’s smallest and lowest power instrumentation amplifier (in-amp). Smaller than the tip of a pencil, the miniscule size of the AD8235 in-amp, combined with its ultra-low power consumption, is effective for power-efficient and portable, lightweight medical devices and consumer-health products, including home-use ECG (electrocardiogram) monitors, infusion pumps and activity-monitoring medical devices. With 50% less power consumption than competitive offerings, the in-amp can enable designs to provide longer battery life. This performance is key for compact, wearable home-based medical devices that improve patient comfort while providing doctors with continuous and reliable patient monitoring. (Click here to view a video clip.)

The AD8235 measures 1.6 mm x 2.0 mm—one-third the size of competing instrumentation amplifiers. Operating on 1.8-V (min) and 5.5-V (max) power supplies and drawing only 40 microamps (max), the AD8235 is suitable for other low-power applications, including consumer-fitness products and industrial pressure and low-side current-sensing measurement equipment. These applications also benefit from the in-amp’s 6 nanoamp shutdown current and 40 picoamp bias current.

The AD8235’s wide power-supply range eliminates the need for extra supplies. The in-amp’s wide common-mode input-voltage range (4V and 1.4V on 5V and 1.8V supplies respectively) is important for the low-voltage operation required by many battery-powered portable applications. A high common-mode rejection ratio (CMRR) of 86 dB (gain=5) effectively eliminates common-mode interference.

Pricing, Samples and Complementary Products

Product
Samples
Price Each per 1,000
Packaging
AD8235
NOW
$1.59 each
9-lead WLCSP
AD8236
NOW
$0.99 each
8-lead MSOP
The AD8235 in-amp, available in sample quantities now, is compatible with a number of ADI’s digital isolators and amplifiers, including the ADUM2400 quad-channel digital isolator, AD8603 precision CMOS operational amplifier, AD8607 precision amplifier and the AD8609 precision quad amplifier. It comes in standard bumped-die packaging in a reel format to simplify manufacture. The AD8236 in-amp is available in sample quantities now and will be available in full-volume production in May, 2009.

For more information, visit http://www.analog.com/pr/AD8235. For product information on amplifiers, visit http://www.analog.com/en/amplifiers-and-comparators/products/index.html.

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 technology, 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.

Editor's Contact Information:

Bob Olson
781/937-1666

bob.olson@analog.com

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