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ADXL278 Folha de dados(PDF) 1 Page - Analog Devices |
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ADXL278 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 12 page Dual-Axis, High-g, i MEMS® Accelerometers ADXL278 Rev. B 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 ©2010 Analog Devices, Inc. All rights reserved. FEATURES Complete dual-axis acceleration measurement system on a single monolithic IC Available in ±35 g/±35 g, ±50 g/±50 g, or ±70 g/±35 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 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 ADXL278 is a low power, complete, dual-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a full-scale range of (X-axis/Y-axis) ±35 g/±35 g, ±50 g/ ±50 g, or ±70 g/±35 g (minimum). The ADXL278 can also measure both dynamic acceleration (vibration) and static acceleration (gravity). The ADXL278 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 ADXL278 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 ADXL278 is available in a 5 mm × 5 mm × 2 mm, 8-terminal ceramic LCC package. FUNCTIONAL BLOCK DIAGRAM ADXL278 VDD VS VDD2 VDD3 DIFFERENTIAL SENSOR EXC DEMOD AMP YOUT 400Hz BESSEL FILTER TIMING GENERATOR DIFFERENTIAL SENSOR EXC DEMOD AMP XOUT 400Hz BESSEL FILTER SELF-TEST Figure 1. |
Nº de peça semelhante - ADXL278_15 |
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Descrição semelhante - ADXL278_15 |
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