AD ADXL203

Precision ±1.7 g
Single/Dual Axis Accelerometer
ADXL103/ADXL203
FEATURES
GENERAL DESCRIPTION
High performance, single/dual axis accelerometer on a
single IC chip
5 mm × 5 mm × 2 mm LCC package
1 mg resolution at 60 Hz
Low power: 700 µA at VS = 5 V (typical)
High zero g bias stability
High sensitivity accuracy
–40°C to +125°C temperature range
X and Y axes aligned to within 0.1° (typical)
BW adjustment with a single capacitor
Single-supply operation
3500 g shock survival
The ADXL103/ADXL203 are high precision, low power,
complete single and dual axis accelerometers with signal
conditioned voltage outputs, all on a single monolithic IC. The
ADXL103/ADXL203 measures acceleration with a full-scale
range of ±1.7 g . The ADXL103/ADXL203 can measure both
dynamic acceleration (e.g., vibration) and static acceleration
(e.g., gravity).
The typical noise floor is 110 μg/√Hz, allowing signals below
1 mg (0.06° of inclination) to be resolved in tilt sensing
applications using narrow bandwidths (<60 Hz).
The user selects the bandwidth of the accelerometer using
capacitors CX and CY at the XOUT and YOUT pins. Bandwidths of
0.5 Hz to 2.5 kHz may be selected to suit the application.
APPLICATIONS
Vehicle Dynamic Control (VDC)/Electronic Stability Program
(ESP) systems
Electronic chassis control
Electronic braking
Platform stabilization/leveling
Navigation
Alarms and motion detectors.
High accuracy, 2-axis tilt sensing
The ADXL103 and ADXL203 are available in 5 mm × 5 mm ×
2 mm, 8-pad hermetic LCC packages.
FUNCTIONAL BLOCK DIAGRAM
+5V
+5V
VS
VS
ADXL203
ADXL103
AC
AMP
DEMOD
OUTPUT
AMP
SENSOR
CDC
AC
AMP
OUTPUT
AMP
OUTPUT
AMP
SENSOR
RFILT
32kΩ
COM
DEMOD
ST
RFILT
32kΩ
XOUT
COM
CX
ST
03757-0-001
CDC
RFILT
32kΩ
YOUT
XOUT
CY
CX
Figure 1. ADXL103/ADXL203 Functional Block Diagram
Rev. 0
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
www.analog.com
Fax: 781.326.8703
© 2004 Analog Devices, Inc. All rights reserved.
ADXL103/ADXL203
TABLE OF CONTENTS
Specifications..................................................................................... 3
Self Test ...........................................................................................9
Absolute Maximum Ratings............................................................ 4
Design Trade-Offs for Selecting Filter Characteristics: The
Noise/BW Trade-Off.....................................................................9
Typical Performance Characteristics ............................................. 5
Theory of Operation ........................................................................ 8
Using the ADXL103/ADXL203 with Operating Voltages
Other than 5 V............................................................................ 10
Performance .................................................................................. 8
Using the ADXL203 as a Dual-Axis Tilt Sensor .................... 10
Applications....................................................................................... 9
Pin Configurations and Functional Descriptions ...................... 11
Power Supply Decoupling ........................................................... 9
Outline Dimensions ....................................................................... 12
Setting the Bandwidth Using CX and CY.................................... 9
Ordering Guide .......................................................................... 12
REVISION HISTORY
Revision 0: Initial Version
Rev. 0 | Page 2 of 12
ADXL103/ADXL203
SPECIFICATIONS
Table 1. TA = –40°C to +125°C, VS = 5 V, CX = CY = 0.1 μF, Acceleration = 0 g, unless otherwise noted.
Parameter
SENSOR INPUT
Measurement Range1
Nonlinearity
Package Alignment Error
Alignment Error (ADXL203)
Cross Axis Sensitivity
SENSITIVITY (Ratiometric)2
Sensitivity at XOUT, YOUT
Sensitivity Change due to Temperature3
ZERO g BIAS LEVEL (Ratiometric)
0 g Voltage at XOUT, YOUT
Initial 0 g Output Deviation from Ideal
0 g Offset vs. Temperature
NOISE PERFORMANCE
Output Noise
Noise Density
FREQUENCY RESPONSE4
CX, CY Range5
RFILT Tolerance
Sensor Resonant Frequency
SELF TEST6
Logic Input Low
Logic Input High
ST Input Resistance to Ground
Output Change at XOUT, YOUT
OUTPUT AMPLIFIER
Output Swing Low
Output Swing High
POWER SUPPLY
Operating Voltage Range
Quiescent Supply Current
Turn-On Time7
Conditions
Each Axis
Min
Typ
Max
±0.5
±1
±0.1
±2
±2.5
940
1000
±0.3
1060
mV/g
%
2.4
2.5
±25
±0.1
2.6
V
mg
mg/°C
1
110
6
mV rms
µg/√Hz rms
10
40
µF
kΩ
kHz
1
V
V
kΩ
mV
±1.7
% of Full Scale
X Sensor to Y Sensor
Each Axis
VS = 5 V
VS = 5 V
Each Axis
VS = 5 V
VS = 5 V, 25°C
< 4 kHz, VS = 5 V, 25°C
@25°C
0.002
24
Self Test 0 to 1
4
30
400
No Load
No Load
32
5.5
50
750
±5
1100
0.3
4.5
3
0.7
20
1
Unit
g
%
Degrees
Degrees
%
V
V
6
1.1
V
mA
ms
Guaranteed by measurement of initial offset and sensitivity.
Sensitivity is essentially ratiometric to VS. For VS = 4.75 V to 5.25 V, sensitivity is 186 mV/V/g to 215 mV/V/g.
Defined as the output change from ambient-to-maximum temperature or ambient-to-minimum temperature.
4
Actual frequency response controlled by user-supplied external capacitor (CX, CY).
5
Bandwidth = 1/(2 × π × 32 kΩ × C). For CX, CY = 0.002 µF, Bandwidth = 2500 Hz. For CX, CY = 10 µF, Bandwidth = 0.5 Hz. Minimum/maximum values are not tested.
6
Self-test response changes cubically with VS.
7
Larger values of CX, CY will increase turn-on time. Turn-on time is approximately 160 × CX or CY + 4 ms, where CX, CY are in µF.
2
3
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
Rev. 0 | Page 3 of 12
ADXL103/ADXL203
ABSOLUTE MAXIMUM RATINGS
Table 2. ADXL103/ADXL203 Stress Ratings
Table 3. Package Characteristics
Parameter
Acceleration (Any Axis, Unpowered)
Acceleration (Any Axis, Powered)
Drop Test (Concrete Surface)
VS
All Other Pins
Package Type
8-Lead CLCC
Rating
3,500 g
3,500 g
1.2 m
–0.3 V to +7.0 V
(COM – 0.3 V) to
(VS + 0.3 V)
Output Short-Circuit Duration
(Any Pin to Common)
Operating Temperature Range
Storage Temperature
θJA
120°C/W
Indefinite
–55°C to +125°C
–65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
CRITICAL ZONE
TL TO TP
tP
TP
tL
TSMAX
TSMIN
tS
RAMP-DOWN
PREHEAT
03757-0-002
TEMPERATURE
RAMP-UP
TL
t25°C TO PEAK
TIME
Condition
Sn63/Pb37
Pb Free
3°C/second Max
Profile Feature
Average Ramp Rate (TL to TP)
Preheat
•
Minimum Temperature (TSMIN)
100°C
150°C
•
Minimum Temperature (TSMAX)
150°C
200°C
60–120 seconds
60–150 seconds
•
Time (TSMIN to TSMAX) (tS)
TSMAX to TL
•
Ramp-Up Rate
Time Maintained above Liquidous (TL)
•
3°C/second
183°C
217°C
60–150 seconds
60–150 seconds
Liquidous Temperature (TL)
•
Time (tL)
Peak Temperature (TP)
Time within 5°C of Actual Peak Temperature (tP)
Ramp-Down Rate
Time 25°C to Peak Temperature
240°C +0°C/–5°C 260°C +0°C/–5°C
10–30 seconds
20–40 seconds
6°C/second Max
6 minutes Max
8 minutes Max
Figure 2. Recommended Soldering Profile
Rev. 0 | Page 4 of 12
θJC
20°C/W
Device Weight
<1.0 gram
1.06
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
15
10
5
0
VOLTS/g
Figure 5. X Axis Sensitivity at 25°C
Rev. 0 | Page 5 of 12
03757-0-015
20
VOLTS/g
Figure 8. Y Axis Sensitivity at 25°C
1.06
25
1.05
35
1.04
35
1.03
40
1.02
mg/°C
1.01
40
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0
–0.10
–0.20
03757-0-014
VOLTS
1.00
Figure 4. X Axis Zero g Bias Tempco
0.99
0
–0.30
10
0.98
15
–0.40
25
0.97
30
–0.60
Figure 3. X Axis Zero g Bias Deviation from Ideal at 25°C
–0.50
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
5
03757-0-013
0
–0.10
PERCENT OF POPULATION (%)
5
0.96
03757-0-010
10
–0.70
0.10
15
–0.80
20
PERCENT OF POPULATION (%)
5
03757-0-011
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
20
0.95
30
PERCENT OF POPULATION (%)
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0
–0.10
–0.20
–0.30
–0.40
–0.50
–0.60
–0.70
PERCENT OF POPULATION (%)
25
0.94
5
03757-0-012
0
0.95
0
–0.80
PERCENT OF POPULATION (%)
0
0.94
PERCENT OF POPULATION (%)
ADXL103/ADXL203
TYPICAL PERFORMANCE CHARACTERISTICS
(VS = 5 V for all graphs, unless otherwise noted.)
30
25
20
15
10
VOLTS
Figure 6. Y Axis Zero g Bias Deviation from Ideal at 25°C
25
20
15
10
5
mg/°C
Figure 7. Y Axis Zero g Bias Tempco
30
25
20
15
10
ADXL103/ADXL203
2.60
1.03
2.58
1.02
SENSITIVITY (V/g)
2.52
2.50
2.48
2.46
2.44
1.00
0.99
45
40
40
35
30
25
20
15
10
140
70
20
15
03757-0-005
10
120
90
110
150
30
25
20
15
10
PERCENT SENSITIVITY (%)
3.0
2.0
1.0
0
–1.0
–2.0
–4.0
0
–5.0
5
5.0
4.0
3.0
2.0
5
1.0
140
03757-0-006
PERCENT OF POPULATION (%)
25
0
80
90
100 110 120 130
X AXIS NOISE DENSITY (µg/√Hz)
Figure 13. Y Axis Noise Density at 25°C
30
–1.0
100
03757-0-016
60
35
–2.0
80
0
150
35
–3.0
70
5
40
–4.0
60
10
40
–5.0
PERCENT OF POPULATION (%)
50
15
Figure 10. X Axis Noise Density at 25°C
0
40
20
–3.0
80
90
100 110 120 130
X AXIS NOISE DENSITY (µg/√Hz)
25
5.0
0
30
4.0
5
35
03757-0-008
PERCENT OF POPULATION (%)
50
45
03757-0-007
PERCENT OF POPULATION (%)
Figure 12. Sensitivity vs. Temperature – Parts Soldered to PCB
50
70
30
TEMPERATURE (°C)
Figure 9. Zero g Bias vs. Temperature – Parts Soldered to PCB
60
20
0
TEMPERATURE (°C)
10
–10
–20
–30
0.97
–40
03757-0-004
0.98
130
120
110
90
100
80
70
60
50
40
30
20
0
10
–10
–20
–30
–40
2.40
–50
2.42
1.01
–50
VOLTAGE (1V/g)
2.54
130
2.56
PERCENT SENSITIVITY (%)
Figure 11. Z vs. X Cross-Axis Sensitivity
Figure 14. Z vs. Y Cross-Axis Sensitivity
Rev. 0 | Page 6 of 12
ADXL103/ADXL203
0.9
100
90
VS = 5V
0.6
0.5
VS = 3V
03757-0-020
30
20
1000
900
0
150
800
10
700
100
40
600
50
TEMPERATURE (°C)
50
500
0
60
400
0.3
–50
3V
70
300
0.4
80
200
CURRENT (mA)
0.7
5V
03757-0-018
PERCENT OF POPULATION (%)
0.8
µA
Figure 18. Supply Current at 25°C
40
40
35
30
25
20
15
10
30
25
20
15
10
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0
0.40
5
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
0.40
0
0.45
5
35
03757-0-019
PERCENT OF POPULATION (%)
45
45
03757-0-017
PERCENT OF POPULATION (%)
Figure 15. Supply Current vs. Temperature
VOLTS
VOLTS
Figure 19. Y Axis Self Test Response at 25°C
Figure 16. X Axis Self Test Response at 25°C
0.90
0.85
0.75
0.70
0.65
130
120
110
100
90
80
70
60
50
40
30
20
0
10
–10
–20
–30
0.50
–50
0.55
03757-0-009
03757-0-003
0.60
–40
VOLTAGE (1V/g)
0.80
TEMPERATURE (°C)
Figure 20. Turn-On Time – CX, CY = 0.1 µF, Time Scale = 2 ms/div
Figure 17. Self Test Response vs. Temperature
Rev. 0 | Page 7 of 12
ADXL103/ADXL203
THEORY OF OPERATION
PIN 8
XOUT = 1.5V
YOUT = 2.5V
PIN 8
XOUT = 2.5V
YOUT = 1.5V
TOP VIEW
(Not to Scale)
XOUT = 2.5V
YOUT = 2.5V
PIN 8
XOUT = 3.5V
YOUT = 2.5V
EARTH'S SURFACE
03757-0-021
PIN 8
XOUT = 2.5V
YOUT = 3.5V
Figure 21. Output Response vs. Orientation
The ADXL103/ADXL203 are complete acceleration measurement systems on a single monolithic IC. The ADXL103 is a
single axis accelerometer, while the ADXL203 is a dual axis
accelerometer. Both parts contain a polysilicon surfacemicromachined sensor and signal conditioning circuitry to
implement an open-loop acceleration measurement architecture. The output signals are analog voltages proportional to
acceleration. The ADXL103/ADXL203 are capable of measuring
both positive and negative accelerations to at least ±1.7 g. The
accelerometer can measure static acceleration forces such as
gravity, allowing it to be used as a tilt sensor.
The sensor is a surface-micromachined polysilicon structure
built on top of the silicon wafer. Polysilicon springs suspend the
structure over the surface of the wafer and provide a resistance
against acceleration forces. Deflection of the structure is measured using a differential capacitor that consists of independent
fixed plates and plates attached to the moving mass. The fixed
plates are driven by 180° out-of-phase square waves. Acceleration will deflect the beam and unbalance the differential
capacitor, resulting in an output square wave whose amplitude
is proportional to acceleration. Phase sensitive demodulation
techniques are then used to rectify the signal and determine the
direction of the acceleration.
The output of the demodulator is amplified and brought offchip through a 32 kΩ resistor. At this point, the user can set the
signal bandwidth of the device by adding a capacitor. This
filtering improves measurement resolution and helps prevent
aliasing.
PERFORMANCE
Rather than using additional temperature compensation
circuitry, innovative design techniques have been used to ensure
high performance is built in. As a result, there is essentially no
quantization error or non-monotonic behavior, and
temperature hysteresis is very low (typically less than 10 mg
over the –40°C to +125°C temperature range).
Figure 9 shows the zero g output performance of eight parts (X
and Y axis) over a –40°C to +125°C temperature range.
Figure 12 demonstrates the typical sensitivity shift over
temperature for VS = 5 V. Sensitivity stability is optimized for
VS = 5 V, but is still very good over the specified range; it is
typically better than ±1% over temperature at VS = 3 V.
Rev. 0 | Page 8 of 12
ADXL103/ADXL203
APPLICATIONS
POWER SUPPLY DECOUPLING
For most applications, a single 0.1 µF capacitor, CDC, will
adequately decouple the accelerometer from noise on the power
supply. However in some cases, particularly where noise is present at the 140 kHz internal clock frequency (or any harmonic
thereof), noise on the supply may cause interference on the
ADXL103/ADXL203 output. If additional decoupling is needed,
a 100 Ω (or smaller) resistor or ferrite beads may be inserted in
the supply line of the ADXL103/ADXL203. Additionally, a
larger bulk bypass capacitor (in the 1 µF to 22 µF range) may be
added in parallel to CDC.
SETTING THE BANDWIDTH USING CX AND CY
The ADXL103/ADXL203 has provisions for bandlimiting the
XOUT and YOUT pins. Capacitors must be added at these pins to
implement low-pass filtering for antialiasing and noise
reduction. The equation for the 3 dB bandwidth is
F–3 dB = 1/(2π(32 kΩ) × C(X, Y))
or more simply,
F–3 dB = 5 µF/C(X, Y)
The tolerance of the internal resistor (RFILT) can vary typically as
much as ±25% of its nominal value (32 kΩ); thus, the bandwidth will vary accordingly. A minimum capacitance of 2000 pF
for CX and CY is required in all cases.
DESIGN TRADE-OFFS FOR SELECTING FILTER
CHARACTERISTICS: THE NOISE/BW TRADE-OFF
The accelerometer bandwidth selected will ultimately
determine the measurement resolution (smallest detectable
acceleration). Filtering can be used to lower the noise floor,
which improves the resolution of the accelerometer. Resolution
is dependent on the analog filter bandwidth at XOUT and YOUT.
The output of the ADXL103/ADXL203 has a typical bandwidth
of 2.5 kHz. The user must filter the signal at this point to limit
aliasing errors. The analog bandwidth must be no more than
half the A/D sampling frequency to minimize aliasing. The
analog bandwidth may be further decreased to reduce noise and
improve resolution.
The ADXL103/ADXL203 noise has the characteristics of white
Gaussian noise, which contributes equally at all frequencies and
is described in terms of µg/√Hz (i.e., the noise is proportional to
the square root of the accelerometer’s bandwidth). The user
should limit bandwidth to the lowest frequency needed by the
application in order to maximize the resolution and dynamic
range of the accelerometer.
With the single pole roll-off characteristic, the typical noise of
the ADXL103/ADXL203 is determined by
rmsNoise = (110µg / Hz ) × ( BW × 1.6 )
At 100 Hz, the noise is
Table 4. Filter Capacitor Selection, CX and CY
Bandwidth (Hz)
1
10
50
100
200
500
rmsNoise = (110µg / Hz ) × ( 100 × 1.6 ) = 1.4mg
Capacitor (µF)
4.7
0.47
0.10
0.05
0.027
0.01
Often, the peak value of the noise is desired. Peak-to-peak noise
can only be estimated by statistical methods. Table 5 is useful
for estimating the probabilities of exceeding various peak
values, given the rms value.
Table 5. Estimation of Peak-to-Peak Noise
SELF TEST
The ST pin controls the self-test feature. When this pin is set to
VS, an electrostatic force is exerted on the beam of the accelerometer. The resulting movement of the beam allows the user to
test if the accelerometer is functional. The typical change in
output will be 750 mg (corresponding to 750 mV). This pin may
be left open-circuit or connected to common in normal use.
Peak-to-Peak Value
2 × RMS
4 × RMS
6 × RMS
8 × RMS
The ST pin should never be exposed to voltage greater than
VS + 0.3 V. If the system design is such that this condition
cannot be guaranteed (i.e., multiple supply voltages present), a
low VF clamping diode between ST and VS is recommended.
Rev. 0 | Page 9 of 12
% of Time That Noise Will Exceed
Nominal Peak-to-Peak Value
32
4.6
0.27
0.006
ADXL103/ADXL203
Peak-to-peak noise values give the best estimate of the
uncertainty in a single measurement. Table 6 gives the typical
noise output of the ADXL103/ADXL203 for various CX and CY
values.
Table 6. Filter Capacitor Selection (CX, CY)
Bandwidth(Hz)
10
50
100
500
CX, CY
(µF)
0.47
0.1
0.047
0.01
RMS Noise
(mg)
0.4
1.0
1.4
3.1
Peak-to-Peak Noise
Estimate (mg)
2.6
6
8.4
18.7
USING THE ADXL103/ADXL203 WITH OPERATING
VOLTAGES OTHER THAN 5 V
The ADXL103/ADXL203 is tested and specified at VS = 5 V;
however, it can be powered with VS as low as 3 V or as high as
6 V. Some performance parameters will change as the supply
voltage is varied.
The ADXL103/ADXL203 output is ratiometric, so the output
sensitivity (or scale factor) will vary proportionally to supply
voltage. At VS = 3 V the output sensitivity is typically 560 mV/g.
USING THE ADXL203 AS A DUAL-AXIS TILT
SENSOR
One of the most popular applications of the ADXL203 is tilt
measurement. An accelerometer uses the force of gravity as an
input vector to determine the orientation of an object in space.
An accelerometer is most sensitive to tilt when its sensitive axis
is perpendicular to the force of gravity, i.e., parallel to the earth’s
surface. At this orientation, its sensitivity to changes in tilt is
highest. When the accelerometer is oriented on axis to gravity,
i.e., near its +1 g or –1 g reading, the change in output
acceleration per degree of tilt is negligible. When the
accelerometer is perpendicular to gravity, its output will change
nearly 17.5 mg per degree of tilt. At 45°, its output changes at
only 12.2 mg per degree and resolution declines.
Dual-Axis Tilt Sensor: Converting Acceleration to Tilt
When the accelerometer is oriented so both its X axis and Y axis
are parallel to the earth’s surface, it can be used as a 2-axis tilt
sensor with a roll axis and a pitch axis. Once the output signal
from the accelerometer has been converted to an acceleration
that varies between –1 g and +1 g, the output tilt in degrees is
calculated as follows:
The zero g bias output is also ratiometric, so the zero g output is
nominally equal to VS/2 at all supply voltages.
The output noise is not ratiometric but is absolute in volts;
therefore, the noise density decreases as the supply voltage
increases. This is because the scale factor (mV/g) increases
while the noise voltage remains constant. At VS = 3 V, the noise
density is typically 190 µg/√Hz.
PITCH = ASIN(AX/1 g)
ROLL = ASIN(AY/1 g)
Be sure to account for overranges. It is possible for the
accelerometers to output a signal greater than ±1 g due to
vibration, shock, or other accelerations.
Self-test response in g is roughly proportional to the square of
the supply voltage. However, when ratiometricity of sensitivity
is factored in with supply voltage, self-test response in volts is
roughly proportional to the cube of the supply voltage. So at
VS = 3 V, the self-test response will be approximately equivalent
to 150 mV, or equivalent to 270 mg (typical).
The supply current decreases as the supply voltage decreases.
Typical current consumption at VDD = 3 V is 450 µA.
Rev. 0 | Page 10 of 12
ADXL103/ADXL203
PIN CONFIGURATIONS AND FUNCTIONAL DESCRIPTIONS
ADXL103E
ADXL203E
TOP VIEW
(Not to Scale)
TOP VIEW
(Not to Scale)
VS
VS
8
XOUT
ST 1
7
XOUT
DNC 2
6
DNC
DNC 2
6
YOUT
COM 3
5
DNC
COM 3
5
DNC
4
DNC
03757-0-022
7
4
DNC
Figure 22. ADXL103 8-Lead CLCC
03757-0-023
8
ST 1
Figure 23. ADXL203 8-Lead CLCC
Table 7. ADXL103 8-Lead CLCC Pin Function Descriptions
Table 8. ADXL203 8-Lead CLCC Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
ST
DNC
COM
DNC
DNC
DNC
XOUT
VS
Description
Self Test
Do Not Connect
Common
Do Not Connect
Do Not Connect
Do Not Connect
X Channel Output
3 V to 6 V
Rev. 0 | Page 11 of 12
Mnemonic
ST
DNC
COM
DNC
DNC
YOUT
XOUT
VS
Description
Self Test
Do Not Connect
Common
Do Not Connect
Do Not Connect
Y Channel Output
X Channel Output
3 V to 6 V
ADXL103/ADXL203
OUTLINE DIMENSIONS
5.00
SQ
1.27
1.78
1.27
4.50
SQ
7
0.50 DIAMETER
1
1.90
2.50
TOP VIEW
1.27
R 0.38
0.15
5
3
0.64 2.50
0.38 DIAMETER
R 0.20
BOTTOM VIEW
Figure 24. 8-Terminal Ceramic Leadless Chip Carrier [LCC]
(E-8)
Dimensions shown in millimeters
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
ORDERING GUIDE
ADXL103/ADXL203
Products
ADXL103CE1
ADXL103CE–REEL1
ADXL203CE1
ADXL203CE–REEL1
ADXL203EB Evaluation Board
1
Number of
Axes
1
1
2
2
Specified Voltage
(V)
5
5
5
5
Temperature
Range
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
Lead finish—Gold over Nickel over Tungsten.
© 2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D03757–0–4/04(0)
Rev. 0 | Page 12 of 12
Package Description
8-Lead Ceramic Leadless Chip Carrier
8-Lead Ceramic Leadless Chip Carrier
8-Lead Ceramic Leadless Chip Carrier
8-Lead Ceramic Leadless Chip Carrier
Evaluation Board
Package
Option
E-8
E-8
E-8
E-8