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AD22281 Fiches technique(PDF) 1 Page - Analog Devices |
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AD22281 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 12 page Single-Axis, High-g, iMEMS ® Accelerometers ADXL78 Rev. B 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 Complete acceleration measurement system on a single monolithic IC Available in ±35 g, ±50 g, or ±70 g output full-scale ranges Full differential sensor and circuitry for high resistance to EMI/RFI Environmentally robust packaging Complete mechanical and electrical self-test on digital command Output ratiometric to supply Sensitive axes in the plane of the chip High linearity (0.2% of full scale) Frequency response down to dc Low noise Low power consumption (1.3 mA) Tight sensitivity tolerance and 0 g offset capability Largest available prefilter clipping headroom 400 Hz, 2-pole Bessel filter Single-supply operation Compatible with Sn/Pb and Pb-free solder processes Qualified for automotive applications APPLICATIONS Vibration monitoring and control Vehicle collision sensing Shock detection GENERAL DESCRIPTION The ADXL78 is a low power, complete single-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a full- scale range of ±35 g, ±50 g, or ±70 g (minimum). It can also measure both dynamic acceleration (vibration) and static acceleration (gravity). The ADXL78 is the fourth-generation surface micromachined iMEMS® accelerometer from ADI with enhanced performance and lower cost. Designed for use in front and side impact airbag applications, this product also provides a complete cost- effective solution useful for a wide variety of other applications. The ADXL78 is temperature stable and accurate over the automotive temperature range, with a self-test feature that fully exercises all the mechanical and electrical elements of the sensor with a digital signal applied to a single pin. The ADXL78 is available in a 5 mm × 5 mm × 2 mm, 8-terminal ceramic LCC package. FUNCTIONAL BLOCK DIAGRAM ADXL78 VDD VS VDD2 DIFFERENTIAL SENSOR EXC DEMOD AMP XOUT 400Hz BESSEL FILTER TIMING GENERATOR SELF-TEST Figure 1. |
Numéro de pièce similaire - AD22281 |
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Description similaire - AD22281 |
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