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ADIS16385 Datasheet(PDF) 1 Page - Analog Devices |
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ADIS16385 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 20 page  Six Degrees of Freedom Inertial Sensor Preliminary Technical Data ADIS16385 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2010 Analog Devices, Inc. All rights reserved. FEATURES Triaxis digital gyroscope with digital range scaling ±75°/sec, ±150°/sec, ±300°/sec settings Orthogonal alignment: <0.05° In-run bias stability: 6°/hour (yaw), 25°/hour (pitch/roll) Triaxis digital accelerometer: ±5 g Autonomous operation and data collection No external configuration commands required Startup time: 180 ms Sleep mode recovery: 4 ms Factory-calibrated sensitivity, bias, and axial alignment Calibration temperature range: −40°C to +85°C Single serial peripheral interface, SPI-compatible Wide bandwidth: 330 Hz Embedded temperature sensor Programmable operation and control Automatic and manual bias correction controls Digital filters: Bartlett FIR, average/decimation Digital I/O: data-ready, alarm indicator, general-purpose Alarms for condition monitoring Sleep mode for power management DAC output voltage Enable external sample clock input: up to 1.2 kHz Single-supply operation: 4.85 V to 5.15 V 2000 g shock survivability Operating temperature range: −40°C to +105°C APPLICATIONS Platform stabilization and control Navigation Robotics FUNCTIONAL BLOCK DIAGRAM TRI-AXIS MEMS ANGULAR RATE SENSOR SIGNAL CONDITIONING AND CONVERSION CALIBRATION AND DIGITAL PROCESSING DIGITAL CONTROL POWER MANAGEMENT OUTPUT REGISTERS AND SPI INTERFACE AUX_ADC AUX_DAC RST CS SCLK DIN DOUT TRI-AXIS MEMS ACCELERATION SENSOR VCC GND DIO4/CLKIN SELF-TEST ADIS16360/ ADIS16365 TEMPERATURE SENSOR ALARMS DIO3 DIO2 DIO1 ADIS16385 Figure 1. GENERAL DESCRIPTION The ADIS16385 iSensor® devices are complete inertial systems that include a triaxis gyroscope and triaxis accelerometer. Each sensor in the ADIS16385 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 (gyro bias). As a result, each sensor has its own dynamic compensation formulas that provide accurate sensor measurements. The yaw-axis gyro- scope offers a 4× improvement in noise and in-run bias stability for applications that have greater requirements on one axis. The ADIS16385 provide 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 ADIS16385 has a compatible pinout for systems that currently use ADIS1635x, ADIS1636x, and ADIS1640x IMU products. It comes in a module that is approximately 36 mm × 47 mm × 39 mm and has a standard connector interface. |
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