Dual-Axis Accelerometer
Evaluation Board
ADXL320EB
Rev. 0
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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.
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Tel: 781.329.4700 www.analog.com
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GENERAL DESCRIPTION
The ADXL320EB is a simple evaluation board that allows quick
evaluation of the performance of the ADXL320 dual-axis ±5 g
accelerometer. The ADXL320EB has a 5-pin, 0.1 inch spaced
header for access to all power and signal lines that the user can
attach to a prototyping board (breadboard) or wire using a
standard plug. Four holes are provided for mechanical attach-
ment of the ADXL320EB to the application.
The ADXL320EB is 20 mm × 20 mm, with mounting holes set
15 mm × 15 mm at the corners of the PCB.
CIRCUIT DESCRIPTION
The schematic of the ADXL320EB is shown in Figure 1. Analog
bandwidth can be set by changing capacitors C2 and C3. See the
ADXL320 data sheet for a complete description of the operation
of the accelerometer.
The part layout of the ADXL320EB is shown in Figure 2. The
ADXL320EB has two factory-installed 100 nF capacitors (C2
and C3) at XOUT and YOUT to reduce the bandwidth to 50 Hz.
Many applications require a different bandwidth, in which case
the user can change C2 and C3, as appropriate.
SPECIAL NOTES ON HANDLING
The ADXL320EB is not reverse polarity protected. Reversing
the +V supply and ground pins can cause damage to the
ADXL320.
Dropping the ADXL320EB on a hard surface can generate
several thousand g of acceleration and might exceed the data
sheet absolute maximum limits. See the ADXL320 data sheet
for more information.
ADXL320
COMMON
C3
0.1µF
C2
0.1µF
C1
0.1µF
TOP VIEW
V
DD
X
OUT
YOUT
SELF TEST
04993-001
Figure 1. ADXL320EB Schematic
320JCP
C2
C3
C1 ST
J1
+V
X
Y
G
04993-002
Figure 2. ADXL320EB Physical Layout
ORDERING GUIDE
Model Package Description
ADXL320EB Evaluation Board
ADXL320EB
Rev. 0 | Page 2 of 2
NOTES
© 2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D05262–0–11/04(0)
