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ADXL193 PDF预览

ADXL193

更新时间: 2024-09-28 03:17:55
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 138K
描述
Single-Axis, High-g, iMEMS Accelerometers

ADXL193 数据手册

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Single-Axis, High-g,  
iMEMS® Accelerometers  
ADXL193  
FEATURES  
GENERAL DESCRIPTION  
Complete acceleration measurement system on a  
single monolithic IC  
Available in 120 g or 250 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  
The ADXL193 is a low power, complete single-axis  
accelerometer with signal conditioned voltage outputs that are  
all on a single monolithic IC. This product measures  
acceleration with a full-scale range of 1ꢀ2 g or ꢀꢁ2 g  
(minimum). It can also measure both dynamic acceleration  
(vibration) and static acceleration (gravity).  
The ADXL193 is a 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.  
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 (1.5 mA)  
Tight sensitivity tolerance and 0 g offset capability  
Largest available prefilter clipping headroom  
400 Hz, 2-pole Bessel filter  
The ADXL193 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.  
Single-supply operation  
Compatible with Sn/Pb and Pb-free solder processes  
The ADXL193 is available in a ꢁ mm × ꢁ mm × ꢀ mm,  
8-terminal ceramic LCC package.  
APPLICATIONS  
Vibration monitoring and control  
Vehicle collision sensing  
Shock detection  
FUNCTIONAL BLOCK DIAGRAM  
V
S
ADXL193  
TIMING  
GENERATOR  
V
DD  
V
DD2  
400Hz  
BESSEL  
FILTER  
DIFFERENTIAL  
DEMOD  
AMP  
X
EXC  
OUT  
SENSOR  
SELF-TEST  
Figure 1.  
Rev. A  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2005 Analog Devices, Inc. All rights reserved.  

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