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ADXL335 Accelerometer Datasheet |
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| Part Number | ADXL335 |
| Description | Accelerometer |
| Manufacture | Analog Devices |
| Total Page | 16 Pages |
| PDF Download |
FEATURES
3-axis sensing
Small, low profile package
4 mm × 4 mm × 1.45 mm LFCSP
Low power : 350 μA (typical)
Single-supply operation: 1.8 V to 3.6 V
10,000 g shock survival
Excellent temperature stability
BW adjustment with a single capacitor per axis
RoHS/WEEE lead-free compliant
APPLICATIONS
Cost sensitive, low power, motion- and tilt-sensing
applications
Mobile devices
Gaming systems
Disk drive protection
Image stabilization
Sports and health devices
Small, Low Power, 3-Axis ±3 g
Accelerometer
ADXL335
GENERAL DESCRIPTION
The ADXL335 is a small, thin, low power, complete 3-axis accel-
erometer with signal conditioned voltage outputs. The product
measures acceleration with a minimum full-scale range of ±3 g.
It can measure the static acceleration of gravity in tilt-sensing
applications, as well as dynamic acceleration resulting from
motion, shock, or vibration.
The user selects the bandwidth of the accelerometer using the
CX, CY, and CZ capacitors at the XOUT, YOUT, and ZOUT pins.
Bandwidths can be selected to suit the application, with a
range of 0.5 Hz to 1600 Hz for the X and Y axes, and a range
of 0.5 Hz to 550 Hz for the Z axis.
The ADXL335 is available in a small, low profile, 4 mm ×
4 mm × 1.45 mm, 16-lead, plastic lead frame chip scale package
(LFCSP_LQ).
FUNCTIONAL BLOCK DIAGRAM
+3V
VS
ADXL335
~32kΩ
OUTPUT AMP
XOUT
CX
3-AXIS
CDC
SENSOR
AC AMP
DEMOD
~32kΩ YOUT
OUTPUT AMP
CY
COM
ST
~32kΩ
OUTPUT AMP
ZOUT
CZ
Figure 1.
Rev. B
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.
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 ©2009–2010 Analog Devices, Inc. All rights reserved.
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ADXL335
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
ESD Caution.................................................................................. 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 10
Mechanical Sensor...................................................................... 10
REVISION HISTORY
1/10—Rev. A to Rev. B
Changes to Figure 21........................................................................ 9
7/09—Rev. 0 to Rev. A
Changes to Figure 22........................................................................ 9
Changes to Outline Dimensions................................................... 14
1/09—Revision 0: Initial Version
Performance ................................................................................ 10
Applications Information .............................................................. 11
Power Supply Decoupling ......................................................... 11
Setting the Bandwidth Using CX, CY, and CZ.......................... 11
Self-Test ....................................................................................... 11
Design Trade-Offs for Selecting Filter Characteristics: The
Noise/BW Trade-Off.................................................................. 11
Use with Operating Voltages Other Than 3 V ........................... 12
Axes of Acceleration Sensitivity ............................................... 12
Layout and Design Recommendations ................................... 13
Outline Dimensions ....................................................................... 14
Ordering Guide .......................................................................... 14
Rev. B | Page 2 of 16
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| Features | Preliminary Technical Data FEATURES 3-ax is sensing Small, low-profile package 4 mm × 4 mm × 1.45 mm LFCSP Low power - 350 μA (typical) Single-supply opera tion 1.8 V to 3.6 V www.DataSheet4U.com 10,000 g shock survival Excellent temp erature stability BW adjustment with a single capacitor per axis RoHS/WEEE lea d-free compliant Small, Low Power, 3-A xis ±3 g Accelerometer ADXL335 GENERAL DESCRIPTION The ADXL335 is a small, th in, low power, complete 3-axis accelero meter with signal conditioned voltage o utputs. The product measures accelerati on with a minimum full-scale range of  ±3 g. It can measure the static acceler ation of gravity in tiltsensing applica tions, as well as dynamic acceleration resulting from motion, shock, or vibrat ion. The user selects the bandwidth of the accelerometer using the CX, CY, and CZ capacitors at the XOUT, YOUT, and Z OUT pins. Bandwidths can be selected to suit the application, with a range of 0.5 Hz to 1600 Hz for X and Y axes, and a range of 0.5 Hz to 550 Hz . |
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