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ADIS16480AMLZ Datasheet(PDF) 1 Page - Analog Devices |
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ADIS16480AMLZ Datasheet(HTML) 1 Page - Analog Devices |
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1 / 40 page  Ten Degrees of Freedom Inertial Sensor with Dynamic Orientation Outputs Data Sheet ADIS16480 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2012 Analog Devices, Inc. All rights reserved. FEATURES Dynamic angle outputs Quaternion, Euler, rotation matrix 0.1° (pitch, roll) and 0.3° (yaw) static accuracy Triaxial, digital gyroscope, ±450°/sec dynamic range <±0.05° orthogonal alignment 6°/hr in-run bias stability 0.3°/√hr angular random walk 0.01% nonlinearity Triaxial, digital accelerometer, ±10 g Triaxial, delta angle and delta velocity outputs Triaxial, digital magnetometer, ±2.5 gauss Digital pressure sensor, 300 mbar to 1100 mbar Adaptive extended Kalman filter Automatic covariance computation Programmable reference reorientation Programmable sensor disturbance levels Configurable event-driven controls Factory-calibrated sensitivity, bias, and axial alignment Calibration temperature range: −40°C to +70°C SPI-compatible serial interface Programmable operation and control 4 FIR filter banks, 120 configurable taps Digital I/O: data-ready alarm indicator, external clock Optional external sample clock input: up to 2.4 kHz Single-command self-test Single-supply operation: 3.0 V to 3.6 V 2000 g shock survivability APPLICATIONS Platform stabilization, control, and pointing Navigation Instrumentation Robotics GENERAL DESCRIPTION The ADIS16480 iSensor® device is a complete inertial system that includes a triaxial gyroscope, a triaxial accelerometer, triaxial magnetometer, pressure sensor, and an extended Kalman filter (EKF) for dynamic orientation sensing. Each inertial sensor in the ADIS16480 combines industry-leading iMEMS® technology with signal conditioning that optimizes dynamic performance. The factory calibration characterizes each sensor for sensitivity, bias, alignment, and linear acceleration (gyroscope bias). As a result, each sensor has its own dynamic compensation formulas that provide accurate sensor measurements. The sensors are further correlated and processed in the extended Kalman filter, which provides both automatic adaptive filtering, as well as user-programmable tuning. Thus, in addition to the IMU outputs, the device provides stable quaternion, Euler, and rotation matrix outputs in the local navigation frame. The ADIS16480 provides a simple, cost-effective method for integrating accurate, multiaxis inertial sensing into industrial systems, especially when compared with the complexity and investment associated with discrete designs. All necessary motion testing and calibration are part of the production process at the factory, greatly reducing system integration time. Tight orthogonal alignment simplifies inertial frame alignment in navigation systems. The SPI and register structure provide a simple interface for data collection and configuration control. The ADIS16480 uses the same footprint and connector system as the ADIS16488, which greatly simplifies the upgrade process. It comes in a module that is approximately 47 mm × 44 mm × 14 mm and has a standard connector interface. The ADIS16480 provides an operating temperature range of −40°C to +85°C. FUNCTIONAL BLOCK DIAGRAM CLOCK TRIAXIAL GYRO TRIAXIAL ACCEL POWER MANAGEMENT CS SCLK DIN DOUT GND VDD TEMP VDD DIO1 DIO2 DIO3 DIO4 VDDRTC RST SPI TRIAXIAL MAGN PRESSURE SELF-TEST I/O ALARMS OUTPUT DATA REGISTERS USER CONTROL REGISTERS ADIS16480 CONTROLLER CALIBRATION EXTENDED KALMAN FILTER DIGITAL FILTERING Figure 1. |
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