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ADXL204 Datasheet(PDF) 1 Page - Analog Devices |
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ADXL204 Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page Precision ±1.7 g Single-/Dual-Axis i MEMS® Accelerometer ADXL204 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES High performance, dual-axis accelerometer on a single IC chip Specified at VS = 3.3 V 5 mm × 5 mm × 2 mm LCC package Better than 2 mg resolution at 60 Hz Low power: 500 μA at VS = 3.3 V (typical) High zero g bias stability High sensitivity accuracy –40°C to +125°C temperature range X-axis and Y-axis aligned to within 0.1° (typical) BW adjustment with a single capacitor Single-supply operation 3500 g shock survival RoHS compliant Compatible with Sn/Pb- and Pb-free solder processes APPLICATIONS Vehicle dynamic control (VDC)/electronic stability program (ESP) systems Electronic chassis controls Electronic braking Platform stabilization/leveling Navigation Alarms and motion detectors High accuracy, 2-axis tilt sensing GENERAL DESCRIPTION The ADXL204 is a high precision, low power, complete dual- axis accelerometer with signal-conditioned voltage outputs, all on a single monolithic IC. Like the ADXL203, it measures acceleration with a full-scale range of ±1.7 g; however, the ADXL204 is tested and specified for 3.3 V supply voltage, whereas the ADXL203 is tested and specified at 5 V. Both parts function well over a wide 3 V to 6 V operating voltage range. The ADXL204 can measure both dynamic acceleration (for example, vibration) and static acceleration (for example, gravity). The typical noise floor is 170 μg/√Hz, allowing signals below 2 mg (0.1° of inclination) to be resolved in tilt sensing applications using narrow bandwidths (<60 Hz). The user selects the bandwidth of the accelerometer using Capacitor CX and Capacitor CY at the XOUT and YOUT pins. Bandwidths of 0.5 Hz to 2.5 kHz can be selected to suit the application. The ADXL204 is available in a 5 mm × 5 mm × 2 mm, 8-terminal hermetic LCC package. FUNCTIONAL BLOCK DIAGRAM ADXL204 SENSOR +5V OUTPUT AMP OUTPUT AMP COM ST YOUT VS CDC CY RFILT 32kΩ DEMOD XOUT CX RFILT 32kΩ AC AMP Figure 1. |
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