ADI expands inertial sensor portfolio with products that deliver unprecedented levels of system control and ease of integration at a fraction of the cost of competing offerings

Analog Devices, Inc. a global leader in high-performance semiconductors for signal processing applications, is expanding its award-winning iSensor™ intelligent sensor product family with two new inertial sensors that make it simple and affordable to implement sophisticated motion and navigation control in a broader range of applications, including medical instrumentation. The ADIS16405 six-degrees-of-freedom (6DoF) inertial measurement unit (IMU) combines high-performance, simplicity, and a tri-axis magnetometer sensor for improved heading accuracy. The ADIS16300 four-degrees-of-freedom (4DoF) IMU is offered at an industry breakthrough price that is up to 10 times less than other products in its class.

“Analog Devices’ iSensor intelligent sensor IMU portfolio has opened new markets and applications for advanced motion sensors,” said Bob Scannell, business development manager, iSensor intelligent sensor products, Analog Devices. “The ADIS16405, which offers pre-calibrated and pre-aligned inertial and magnetic sensors, greatly simplifies the process of implementing full IMU sensor functionality. The industry’s lowest cost, precision multi-axis inertial sensor, the ADIS16300, enables a broad array of new applications, including medical imaging equipment, prosthetics, surgical instrumentation, and industrial vehicle navigation. These products, along with other offerings available in ADI’s IMU portfolio, provide customers with pin-compatible options that give them complete choice and flexibility in meeting multiple cost/performance needs.”

About the ADIS16405 iSensor Intelligent Sensor
Designed using Analog Devices’ world-class iMEMS® Motion Signal Processing Technology™, the ADIS16405 complete inertial sensing system integrates a three-axis gyroscope, magnetometer, and accelerometer. The embedded magnetometer provides accurate heading to complement the product’s superior response and short-term stability.

Unlike many IMUs, which offer a lower level of integration and require a high degree of user calibration, all necessary motion testing and calibration for the ADIS16405 is performed at the factory. This means that system integration time is greatly reduced and customer implementation is as simple as supplying power and connecting an SPI (serial peripheral interface) port. This enables systems designers to reduce their system development time by up to a year while saving hundreds of thousands of dollars in test equipment capital costs.

The ADIS16405 features 0.05 degree rate-sensor orthogonal-alignment-accuracy, which improves overall system accuracy and simplifies end-system design. The magnetometer sensors are calibrated and aligned to the inertial sensor axis. The extensive calibration and dynamic compensation results in an angular random walk of below 2.0 degrees/√hr and temperature stability of 40 ppm/°C. All sensors are accessible over a standard SPI interface, which also allows control of internal digital filtering.

About the ADIS16300 iSensor Intelligent Sensor
Offered at a fraction of the cost of competing devices, the ADIS16300 complete inertial sensing system integrates a single-axis gyroscope and a three-axis accelerometer. Each sensor in the ADIS16300 combines ADI’s iMEMS technology with signal conditioning that optimizes dynamic performance. The factory calibration characterizes each sensor for sensitivity, bias, alignment, and linear acceleration. As a result, each sensor has its own dynamic compensation which results in accurate sensor measurements over the specified power supply range of 4.75 V to 5.25 V. As with the ADIS16405, factory calibration of the ADIS16300 greatly reduces system integration time and test equipment costs. Similar to the ADIS16405, the ADIS16300 features an improved SPI interface to provide faster data collection and configuration control.

Angular rate sensing can be selected for ±75, ±150, and ±300 deg/sec dynamic range, with ±3 g tri-axis acceleration dynamic range. The device offers a 350-Hz bandwidth, and up to 1,200-SPS sample rates, with further digital filtering embedded and programmable. The ADIS16300’s flexible mounting approach also makes it easier to implement roll and pitch axis rate sensing.

The ADIS16300 and ADIS16405 are compatible with other iSensor multi-axis inertial sensors which include the ADIS16365, ADIS16364, ADIS16355, ADIS16354, and ADIS16350.

Availability and Pricing

Pricing Per Unit in
1,000-Unit Quantities
Samples Available
Compact module measuring 23 mm × 23 mm × 23 mm
Samples Available
Compact module measuring 23 mm × 31 mm × 7.5 mm

For more information, visit http://www.analog.com/pr/ADIS16405 or http://www.analog.com/pr/ADIS16300.

From: http://www.analog.com

Publication date: 12.11.2008

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