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ADXRS453 Datenblatt(PDF) 1 Page - Analog Devices |
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ADXRS453 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 32 page High Performance, Digital Output Gyroscope ADXRS453 Rev. 0 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 ©2011 Analog Devices, Inc. All rights reserved. FEATURES Complete rate gyroscope on a single chip ±300°/sec angular rate sensing Ultrahigh vibration rejection: 0.01°/sec/g Excellent 16°/hour null bias stability Internal temperature compensation 2000 g powered shock survivability SPI digital output with 16-bit data-word Low noise and low power 3.3 V to 5 V operation −40°C to +105°C operation Ultrasmall, light, and RoHS compliant Two package options Low cost SOIC_CAV package for yaw rate (z-axis) response Innovative ceramic vertical mount package (LCC_V), which can be oriented for pitch, roll, or yaw response APPLICATIONS Rotation sensing in high vibration environments Rotation sensing for industrial and instrumentation applications High performance platform stabilization GENERAL DESCRIPTION The ADXRS453 is an angular rate sensor (gyroscope) intended for industrial, instrumentation, and stabilization applications in high vibration environments. An advanced, differential, quad sensor design rejects the influence of linear acceleration, enabling the ADXRS453 to offer high accuracy rate sensing in harsh envi- ronments where shock and vibration are present. The ADXRS453 uses an internal, continuous self-test architec- ture. The integrity of the electromechanical system is checked by applying a high frequency electrostatic force to the sense structure to generate a rate signal that can be differentiated from the base- band rate data and internally analyzed. The ADXRS453 is capable of sensing an angular rate of up to ±300°/sec. Angular rate data is presented as a 16-bit word that is part of a 32-bit SPI message. The ADXRS453 is available in a 16-lead plastic cavity SOIC (SOIC_CAV) and an SMT-compatible vertical mount package (LCC_V), and is capable of operating across a wide voltage range (3.3 V to 5 V). FUNCTIONAL BLOCK DIAGRAM SPI INTERFACE MISO MOSI SCLK CS HIGH VOLTAGE GENERATION EEPROM PSS CP5 AVSS VX LDO REGULATOR PDD DVSS DVDD AVDD BAND-PASS FILTER FAULT DETECTION TEMPERATURE CALIBRATION DECIMATION FILTER ARITHMETIC LOGIC UNIT PHASE- LOCKED LOOP CLOCK DIVIDER DEMOD Q FILTER Q DAQ P DAQ HV DRIVE SELF-TEST CONTROL 12-BIT ADC AMPLITUDE DETECT Z-AXIS ANGULAR RATE SENSOR ADXRS453 Figure 1. |
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