Process Industries

ADI Dual-Axis Accelerometer Operates Up To +175°C

May 24, 2011

Analog Devices’ ADXL206 iMEMS accelerometer measures acceleration with a full-scale range of ±5 g with 1 mg resolution and a temperature range of –40°C to +175°C.

NORWOOD, MA -- (BUSINESS WIRE) -- Analog Devices, Inc. (ADI) released for general availability the ADXL206 high precision, low power, dual-axis iMEMS accelerometer with signal conditioned analog voltage outputs. The single-chip ADXL206 measures acceleration with a full-scale range of ±5 g and measures both dynamic acceleration such as tilt and static acceleration such as gravity. Offering a guaranteed operating temperature range of –40°C to +175°C and excellent overall stability, the ADXL206 is well suited for geological down hole tools and other extreme high temperature industrial applications.

"Instead of using additional temperature compensation circuitry, innovative design techniques have been used to ensure that high performance is built in," said Wayne Meyer, marketing and applications manager, MEMS/Sensors Technology Group, Analog Devices. "As a result, there is essentially no quantization error or non-monotonic behavior, and temperature hysteresis is very low, typically less than 2 mg over the entire –40°C to +175°C temperature range. This is another example of ADI's high performance MEMS inertial sensor leadership."

"As designers put together smart drilling systems that go miles and miles under the earth's surface, they are challenged to balance power and space requirements against the need for more information," said Pam Aparo, segment marketing manager for Instrumentation, Analog Devices. "The ADXL206 iMEMS accelerometer is not only an extremely compact solution, but it also lowers power consumption by an order of magnitude from over 10 mA to under 0.5 mA per axis."

The ADXL206 iMEMS accelerometer has a typical noise floor of 110 µg/√Hz, allowing signals below 1 mg (0.06° of inclination) to be resolved in tilt sensing applications using narrow bandwidths (<60 Hz). Bandwidths of 0.5 Hz to 2.5 kHz can be selected to suit the application. The ADXL206 is available in a 13 mm × 8 mm × 2 mm, 8-lead, SBDIP (side-brazed ceramic dual in-line package) package.

ADXL206 iMEMS accelerometer Key Features
–40°C to +175°C temperature range
1 mg resolution at 60 Hz
Low power: 700 µA at VS = 5 V(typical)
High zero g bias repeatability
High sensitivity accuracy
3500 g shock survival

Product Price and Availability

ProductSample AvailabilityFull ProductionPrice Each Per 1000Packaging
ADXL206YESYES$789.0013 mm × 8 mm × 2 mm, 8-lead, SBDIP package

Other high temperature components from Analog Devices include the AD8229, 1.0-nV/√Hz high-temperature instrumentation amplifier, the only low-noise instrumentation amplifier guaranteed to perform at up to 210°C in the most extreme environments.

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. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker "ADI" and is included in the S&P 500 Index.

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