AD22283-B AD [Analog Devices], AD22283-B Datasheet

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AD22283-B

Manufacturer Part Number
AD22283-B
Description
Single-Axis, High-g, iMEMS Accelerometers
Manufacturer
AD [Analog Devices]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD22283-B-R2
Manufacturer:
ADI/亚德诺
Quantity:
20 000
FEATURES
Complete acceleration measurement system on a
Available in ±120 g or ±250 g output full-scale ranges
Full differential sensor and circuitry for high resistance
Environmentally robust packaging
Complete mechanical and electrical self-test on
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
Single-supply operation
Compatible with Sn/Pb and Pb-free solder processes
APPLICATIONS
Vibration monitoring and control
Vehicle collision sensing
Shock detection
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.
single monolithic IC
to EMI/RFI
digital command
V
S
V
V
DD2
DD
EXC
FUNCTIONAL BLOCK DIAGRAM
GENERATOR
TIMING
DIFFERENTIAL
SELF-TEST
SENSOR
Figure 1.
DEMOD
GENERAL DESCRIPTION
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 ±120 g or ±250 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.
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.
The ADXL193 is available in a 5 mm × 5 mm × 2 mm,
8-terminal ceramic LCC package.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
AMP
iMEMS
ADXL193
BESSEL
FILTER
400Hz
©2005 Analog Devices, Inc. All rights reserved.
Single-Axis, High-g,
®
X
OUT
Accelerometers
ADXL193
www.analog.com

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AD22283-B Summary of contents

Page 1

FEATURES 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 ...

Page 2

ADXL193 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Theory of Operation ........................................................................ 7 Applications....................................................................................... 8 REVISION HISTORY 5/05—Rev Rev. A Power Supply Decoupling ............................................................8 Self-Test ..........................................................................................8 Clock ...

Page 3

... V −125 360 400 MIN MAX 400 500 3 0.25 1000 800 2 4.75 3.5 1.5 − Rev Page Model No. AD22283 Max Min Typ Max 250 2 0 − 18.9 7.6 8 8.4 +125 −100 +100 440 360 400 440 2 600 ...

Page 4

ADXL193 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Acceleration (Any Axis, Unpowered) Acceleration (Any Axis, Powered All Other Pins Output Short-Circuit Duration (Any Pin to Common) Operating Temperature Range Storage Temperature ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic COM OUT DD2 V DD2 ...

Page 6

ADXL193 Table 4. Recommended Soldering Profile Profile Feature AVERAGE RAMP RATE ( PREHEAT Minimum Temperature (T ) SMIN Maximum Temperature (T ) SMAX TIME ( SMIN SMAX ...

Page 7

THEORY OF OPERATION The ADXL193 provides a fully differential sensor structure and circuit path, resulting in the industry’s highest resistance to EMI/RFI effects. This latest generation uses electrical feedback with zero-force feedback for improved accuracy and stability. The sensor resonant ...

Page 8

ADXL193 APPLICATIONS POWER SUPPLY DECOUPLING For most applications, a single 0.1 μF capacitor, C decouples the accelerometer from noise on the power supply. However, in some cases, particularly where noise is present at the 400 kHz internal clock frequency (or ...

Page 9

... OUTLINE DIMENSIONS ADXL193 ORDERING GUIDE Parts Measurement 1 Model per Reel Range AD22282-A-R2 250 ±120 g AD22282-A 3000 ±120 g AD22283-B-R2 250 ±250 g AD22283-B 3000 ±250 g 1 All models are on tape and reel and are Pb-free parts. 1.27 5.00 1. 1.27 4.50 TOP VIEW SQ 1.27 5 0.20 R 0.38 R 0.20 BOTTOM VIEW Figure 6 ...

Page 10

ADXL193 NOTES Rev Page ...

Page 11

NOTES Rev Page ADXL193 ...

Page 12

ADXL193 NOTES ©2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05366–0–5/05(A) Rev Page ...

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