Precision ±2 g Dual Axis,
PWM Output Accelerometer
ADXL212
Rev. 0
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FEATURES
Dual axis accelerometer on a single IC chip
5 mm × 5 mm × 2 mm LCC package
5 mg resolution at 60 Hz
Low power: 700 μA at VS = 5 V (typical)
High zero g bias stability
High sensitivity accuracy
Pulse width modulated digital outputs
X- and Y-axis aligned to within 0.1° (typical)
Bandwidth adjustment with a single capacitor
Single-supply operation
3500 g shock survival
APPLICATIONS
Automotive tilt alarms
Vehicle dynamic control (VDC)/electronic stability program
(ESP) systems
Electronic chassis control
Electronic braking
Data projectors
Navigation
Platform stabilization/leveling
Alarms and motion detectors
High accuracy, 2-axis tilt sensing
GENERAL DESCRIPTION
The ADXL212 is a high precision, low power, complete dual
axis accelerometer with signal conditioned, duty cycle modulated
outputs, all on a single monolithic IC. The ADXL212 measures
acceleration with a full-scale range of ±2 g (typical). The ADXL212
measures both dynamic acceleration (such as vibration) and
static acceleration (such as gravity).
The outputs are digital signals whose duty cycles (ratio of pulse
width to period) are proportional to acceleration (12.5%/g) in
each of the two sensitive axes. The duty cycle outputs can be
directly measured by a microcontroller without an analog-to-
digital converter (ADC) or glue logic. The output period is
adjustable from 0.5 ms to 10 ms via a single resistor (RSET).
The typical noise floor is 500 µg/√Hz, allowing signals below
5 mg (0.3° of inclination) to be resolved in tilt sensing applica-
tions using narrow bandwidths (<60 Hz).
The user selects the bandwidth of the accelerometer using
Capacitors CX and CY at the XFILT and YFILT pins. Bandwidths
of 0.5 Hz to 500 Hz can be selected to suit the application.
The ADXL212 is available in a 5 mm × 5 mm × 2 mm, 8-lead
hermetic LCC package.
FUNCTIONAL BLOCK DIAGRAM
09804-001
ADXL212
SENSOR
32kΩ
32kΩ
+
V
S
OUTPUT
AMP
OUTPUT
AMP
DCM
COM ST XFILT
YFILT
VS
C
DC
CX
DEMOD
CY
T2
YOUT
XOUT
RSET
AC
AMP
t2
t1
A(g) = (t1/t2 – 0.5)/12.5%
0g = 50% DUTY CYCLE
t2(sec) = RSET/125MΩ
PWM OUTPUT WAVEFORM SAMPLE
Figure 1.
ADXL212
Rev. 0 | Page 2 of 12
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Resistance...................................................................... 4
ESD Caution.................................................................................. 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ........................................................................ 9
Performance.................................................................................. 9
Applications Information.............................................................. 10
Power Supply Decoupling......................................................... 10
Setting the Bandwidth Using CX and CY................................. 10
Self Test........................................................................................ 10
Design Trade-Offs for Selecting Filter Characteristics: Noise
vs. Bandwidth ............................................................................. 10
Using the ADXL212 with Operating Voltages Other Than 5 V
....................................................................................................... 11
Using the ADXL212 as a Dual Axis Tilt Sensor..................... 11
Outline Dimensions....................................................................... 12
Ordering Guide .......................................................................... 12
REVISION HISTORY
5/11—Revision 0: Initial Version
ADXL212
Rev. 0 | Page 3 of 12
SPECIFICATIONS
TA = –40°C to +85°C, VS = 5 V, CX = CY = 0.1 F, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications
are guaranteed. Typical specifications are not guaranteed.
Table 1.
Parameter Test Conditions/Comments Min Typ Max Unit
SENSOR INPUT Each axis
Measurement Range1 ±1.5 ±2
g
Nonlinearity Best fit straight line ±0.2 % of FS
Package Alignment Error ±1 Degrees
Alignment Error X sensor to Y sensor ±0.01 Degrees
Cross Axis Sensitivity ±2 %
SENSITIVITY (RATIOMETRIC)2 Each axis
Sensitivity at XOUT, YOUT V
S = 5 V 10 12.5 15 %/g
Sensitivity Change Due to Temperature3 V
S = 5 V ±0.5 %
ZERO g BIAS LEVEL (RATIOMETRIC) Each axis
0 g Duty Cycle at XOUT, YOUT 25 50 75 %
Initial 0 g Output Deviation from Ideal TA = 25°C ±2 %
0 g Duty Cycle vs. Supply 1.0 4.0 %/V
0 g Offset vs. Temperature ±2 mg/°C
NOISE PERFORMANCE
Noise Density TA = 25°C 500 1000 μg/√Hz rms
FREQUENCY RESPONSE4
3 dB Bandwidth5 500 Hz
CX, CY Range5 0.002 4.7 μF
Sensor Resonant Frequency 5.5 kHz
SELF TEST6
Duty Cycle Change Self test (ST) pin: pulled low (0) to high (1) 10 %
DUTY CYCLE OUTPUT STAGE
fSET7 R
SET = 125 kΩ 1 kHz
fSET7 Tolerance RSET = 125 kΩ 0.7 1.3 kHz
Voltage Levels
High I = 25 μA VS − 0.2 V
Low I = 25 μA 200 mV
t2 Drift vs. Temperature ±35 ppm/°C
Rise/Fall Time 200 ns
POWER SUPPLY
Operating Voltage Range 3.0 5.25 V
Specified Performance 4.75 5.25 V
Quiescent Supply Current 0.7 1.1 mA
Turn-On Time8 19 ms
TEMPERATURE RANGE
Specified Performance −40 +85 °C
1 Guaranteed by measurement of initial offset and sensitivity.
2 Sensitivity varies with VS. At VS = 3 V, sensitivity is typically 7.5%/g.
3 Defined as the output change from ambient-to-maximum temperature or ambient-to-minimum temperature.
4 Actual frequency response is controlled by a 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 = 4.7 μF, bandwidth = 1 Hz. Minimum/maximum values are not tested.
6 Self test response changes with VS. At VS = 3 V, self test output is typically 6%.
7 The value of fSET is defined by the following equation:
fSET = t2
1
8 Larger values of CX, CY increase turn-on time. Turn-on time is approximately 160 × CX or CY + 3, where CX, CY are in μF, and the resulting turn-on time is in ms.
ADXL212
Rev. 0 | Page 4 of 12
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
Acceleration (Any Axis, Unpowered) 1000 g
Acceleration (Any Axis, Powered) 1000 g
VS −0.3 V to +7.0 V
Output Short-Circuit Duration
(Any Pin to Common)
Indefinite
Operating Temperature Range −55°C to +125°C
Storage Temperature Range −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.
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 3. Thermal Resistance
Package Type θJA θ
JC Device Weight
8-Lead Ceramic LCC 120°C/W 20°C/W <1.0 g
ESD CAUTION
t
P
t
L
t
25°C TO PEAK
t
S
PREHEAT
CRITIC
A
LZONE
TLTO TP
TEMPER
A
TURE
TIME
RAMP-DOWN
RAMP-UP
TSMIN
TSMAX
TP
TL
09804-002
Figure 2. Recommended Soldering Profile
Table 4. Soldering Profile
Condition
Profile Feature Sn63/Pb37 Pb Free
Average Ramp Rate (TL to TP) 3°C/sec maximum
Preheat
Minimum Temperature (TSMIN) 100°C 150°C
Minimum Temperature (TSMAX) 150°C 200°C
Time (TSMIN to TSMAX) (tS) 60 sec to 120 sec 60 sec to 150 sec
TSMAX to TL
Ramp-Up Rate 3°C/sec maximum
Time (tL) Maintained Above Liquidous (TL)
Liquidous Temperature (TL) 183°C 217°C
Time (tL) 60 sec to 150 sec 60 sec to 150 sec
Peak Temperature (TP) 240°C +0°C/–5°C 260°C +0°C/–5°C
Time Within 5°C of Actual Peak Temperature (tP) 10 sec to 30 sec 20 sec to 40 sec
Ramp-Down Rate 6°C/sec maximum
Time 25°C to Peak Temperature 6 minutes maximum 8 minutes maximum
ADXL212
Rev. 0 | Page 5 of 12
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
A
DXL212
TOP VIEW
(Not to Scale)
ST
1
T2
2
COM
3
Y
OUT
4
X
FILT
Y
FILT
X
OUT
7
6
5
V
S
8
09804-003
Figure 3. Pin Configuration
Table 5. Pin Function Descriptions
Pin No. Mnemonic Description
1 ST Self Test.
2 T2 Frequency Set. Connect the RSET resistor to ground.
t2 = RSET/125 MΩ
See the Theory of Operation section for details.
3 COM Common.
4 YOUT Y Channel Output.
5 XOUT X Channel Output.
6 YFILT Y Channel Filter Pin.
7 XFILT X Channel Filter Pin.
8 VS Voltage Supply. 3 V to 5.25 V.
ADXL212
Rev. 0 | Page 6 of 12
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 5 V, unless otherwise noted.
PERCENT OF POPUL
A
TION (%)
0
25
20
15
10
5
09804-004
DUTY CYCLE OUTPUT (%)
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Figure 4. X-Axis Zero g Bias Deviation from Ideal at 25°C
PERCENT OF POPUL
A
TION (%)
0
30
20
25
15
10
5
09804-005
TEMPCO (mg/°C)
–1.0
–0.9
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Figure 5. X-Axis Zero g Bias Tempco
PERCENT OF POPUL
A
TION (%)
0
30
20
25
15
10
5
09804-006
SENSITIVITY (%/g)
11.70
11.85
12.00
12.15
12.30
12.45
12.60
12.75
13.90
13.05
13.20
Figure 6. X-Axis Sensitivity at 25°C
PERCENT OF POPUL
A
TION (%)
0
25
20
15
10
5
09804-007
DUTY CYCLE OUTPUT (%)
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Figure 7. Y-Axis Zero g Bias Deviation from Ideal at 25°C
PERCENT OF POPUL
A
TION (%)
0
40
20
25
30
35
15
10
5
09804-008
TEMPCO (mg/°C)
–1.0
–0.9
–0.8
–0.7
–0.6
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Figure 8. Y-Axis Zero g Bias Tempco
PERCENT OF POPUL
A
TION (%)
0
30
20
25
15
10
5.0
09804-009
SENSITIVITY (%/g)
11.70
11.85
12.00
12.15
12.30
12.45
12.60
12.75
13.90
13.05
13.20
Figure 9. Y-Axis Sensitivity at 25°C
ADXL212
Rev. 0 | Page 7 of 12
TEMPERATURE (°C)
DUTY CYCLE (%)
–40
46.0
53.0
52.5
52.0
51.5
51.0
50.0
50.5
49.0
49.5
48.0
48.5
47.0
46.5
47.5
53.5
54.0
–30
–20
–10
0
10
20
30
50
40
60
70
80
90
09804-010
Figure 10. Zero g Bias vs. Temperature, Parts Soldered to PCB
PERCENT OF POPUL
A
TION (%)
0
40
25
30
35
20
15
10
5
09804-011
NOISE DENSITY (µ
g
/Hz)
100
110
120
130
140
160
150
190
180
170
200
210
220
240
230
250
Figure 11. X-Axis Noise Density at 25°C
10.8
10.6
10.4
10.2
10.0
9.8
9.6
9.4
9.2
9.0
8.8
SELF TEST OUTPUT (%)
TEMPERATURE (°C)
09804-012
–50
–40
–30
–20
–10
0
10
20
30
50
40
60
70
80
90
Figure 12. Self Test Response vs. Temperature
TEMPERATURE (°C)
SENSITIVITY (%/g)
–50
–40
11. 9
12.9
12.8
12.7
12.5
12.6
12.4
12.2
12.3
12.0
12.1
13.0
13.1
–30
–20
–10
0
10
20
30
50
40
60
70
80
90
09804-013
Figure 13. Sensitivity vs. Temperature, Parts Soldered to PCB
PERCENT OF POPUL
A
TION (%)
0
40
25
30
35
20
15
10
5
09804-014
NOISE DENSITY (µg/Hz)
100
110
120
130
140
160
150
190
180
170
200
210
220
240
230
250
Figure 14. Y-Axis Noise Density at 25°C
TEMPERATURE (°C)
CURRENT (mA)
0.3
0.8
0.7
0.6
0.5
0.4
0.9
150100500–50
V
S
= 5V
V
S
= 3V
09804-015
Figure 15. Supply Current vs. Temperature
ADXL212
Rev. 0 | Page 8 of 12
16
14
2
4
6
8
10
12
0
–12.5
–12.1
–7.9
–7.5
–8.3
–8.8
–9.2
–9.6
–10.0
–10.4
–10.8
–11.3
–11.7
PERCENT OF POPULATION (%)
DELTA IN DUTY CYCLE (%)
09804-016
Figure 16. X-Axis Self Test Response at 25°C
PERCENT OF POPUL
A
TION (%)
0
80
70
60
50
40
30
20
10
90
100
SUPPLY CURRENT (µA)
V
S
= 3V
V
S
= 5V
200
300
400
500
600
700
800
900
1000
09804-017
Figure 17. Supply Current at 25°C
18
0
–12.5
–12.1
–11.7
–11.3
–10.8
–10.4
–10.0
–9.6
–9.2
–8.8
–8.3
–7.5
–7.9
PERCENT OF POPUL
TION (%)
DELTA IN DUTY CYCLE (%)
09804-018
16
10
12
14
8
6
4
2
Figure 18. Y-Axis Self Test Response at 25°C
09804-019
CX, CY = 0.1µF
TIME SCALE = 2ms/div
T
Figure 19. Turn-On Time
ADXL212
Rev. 0 | Page 9 of 12
THEORY OF OPERATION
EARTH'S SURFACE
09804-020
TOP VIEW
(Not to Scale)
PIN 8
X
OUT
= 50%
Y
OUT
= 62.5%
X
OUT
= 50%
Y
OUT
= 50%
PIN 8
X
OUT
= 50%
Y
OUT
= 37.5%
PIN 8
X
OUT
= 62.5%
Y
OUT
= 50%
PIN 8
X
OUT
= 37.5%
Y
OUT
= 50%
Figure 20. Output Response vs. Orientation
The ADXL212 is a complete dual axis acceleration measure-
ment system on a single monolithic IC. It contains a polysilicon
surface-micromachined sensor and signal conditioning circuitry
to implement an open-loop acceleration measurement archi-
tecture. The output signals are duty cycle modulated digital
signals proportional to the acceleration. The ADXL212 is capable
of measuring both positive and negative accelerations to ±2 g.
The accelerometer can measure static acceleration forces such
as gravity, allowing the ADXL212 to be used as a tilt sensor.
The sensor is a surface-micromachined polysilicon structure
built on top of a 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
deflects the beam and unbalances the differential capacitor,
resulting in an output square wave with an amplitude that is
proportional to acceleration. Phase sensitive demodulation tech-
niques are used to rectify the signal and determine the direction
of the acceleration.
The output of the demodulator is amplified and brought off
chip through a 32 kΩ resistor, at which point the user can set
the signal bandwidth of the device by adding a capacitor. This
filtering improves measurement resolution and helps prevent
aliasing.
After being low-pass filtered, the analog signals are converted to
duty cycle modulated outputs that can be read by a counter.
A single resistor (RSET) sets the period for a complete cycle (t2)
according to the following equation:
t2 (nominal) = RSET/125 M
A 0 g acceleration produces a 50% nominal duty cycle. The
acceleration can be determined by measuring the length of the
positive pulse width (t1) and the period (t2). The nominal
transfer function of the ADXL212 is
Acceleration = ((t1/t2) − Zero g Bias)/Sensitivity
where:
Zero g Bias = 50% nominal.
Sensitivity = 12.5%/g nominal.
PERFORMANCE
High performance is built into the device through innovative
design techniques rather than by using additional temperature
compensation circuitry. As a result, there is essentially no quantiza-
tion error or nonmonotonic behavior, and temperature hysteresis
is very low (typically less than 10 mg over the −40°C to +85°C
temperature range).
Figure 10 shows the zero g output performance of eight parts
(x-axis and y-axis) over a –40°C to +85°C temperature range.
Figure 13 demonstrates the typical sensitivity shift over temper-
ature for VS = 5 V. Sensitivity stability is optimized for VS = 5 V
but remains very good over the specified range; it is typically
better than ±2% over temperature at VS = 3 V.
ADXL212
Rev. 0 | Page 10 of 12
APPLICATIONS INFORMATION
POWER SUPPLY DECOUPLING
For most applications, a single 0.1 µF capacitor, CDC, adequately
decouples 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 output of the
ADXL212. If additional decoupling is needed, insert a 100 Ω (or
smaller) resistor or ferrite beads in the supply line of the ADXL212.
In addition or as an alternative to adding the resistor or ferrite
beads, a larger bulk bypass capacitor (in the range of 1 µF to
22 µF) can be added in parallel to CDC.
SETTING THE BANDWIDTH USING CX AND CY
The ADXL212 has provisions for band limiting 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
f3 dB = 1/(2π(32 kΩ) × C(X, Y))
or more simply,
f3 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); the bandwidth varies
accordingly. A minimum capacitance of 2000 pF for CX and CY
is required in all cases.
Table 6. Filter Capacitor Selection, CX and CY
Bandwidth (Hz) Capacitor (μF)
1 4.7
10 0.47
50 0.10
100 0.05
200 0.027
500 0.01
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 accelero-
meter. The resulting movement of the beam allows the user to
test if the accelerometer is functional. The typical change in
output is 750 mg (corresponding to a duty cycle of 10%) and is
additive to the accelerometer outputs. The ST pin can remain
open circuit, or it can be connected to ground in normal use.
Never expose the ST pin to voltages greater than VS + 0.3 V. If
the system design is such that this condition cannot be guaranteed
(that is, multiple supply voltages are present), a low VF clamping
diode between ST and VS is recommended.
DESIGN TRADE-OFFS FOR SELECTING FILTER
CHARACTERISTICS: NOISE vs. BANDWIDTH
The chosen accelerometer bandwidth ultimately determines the
measurement resolution (smallest detectable acceleration). Filtering
can be used to lower the noise floor, which improves the resolu-
tion of the accelerometer. Resolution is dependent on the analog
filter capacitors at XFILT and YFILT.
The ADXL212 has a typical PWM bandwidth of 500 Hz. The
user must filter the signal to a bandwidth lower than 500 Hz to
limit aliasing errors.
The ADXL212 noise has the characteristics of white Gaussian
noise, which contributes equally at all frequencies and is described
in terms of µg/√Hz (that is, the noise is proportional to the square
root of the accelerometer bandwidth). To maximize the resolu-
tion and dynamic range of the accelerometer, limit bandwidth
to the lowest frequency needed by the application.
With the single pole roll-off characteristic, the typical noise of
the ADXL212 is determined by
)6.1()Hz/µ500( ××= BWgNoiserms
At 100 Hz, the noise is
ggNoiserms m3.6)6.1100()Hz/µ500( =××=
Often, the peak value of the noise is desired. Peak-to-peak noise
can only be estimated by statistical methods. Table 7 is useful
for estimating the probabilities of exceeding various peak values,
given the rms value.
Table 7. Estimation of Peak-to-Peak Noise
Peak-to-Peak Value
% of Time that Noise Exceeds
Nominal Peak-to-Peak Value
2 × rms 32
4 × rms 4.6
6 × rms 0.27
8 × rms 0.006
For example, at 100 Hz bandwidth, peak noise exceeds 25.2 mg
4.6% of the time.
Peak-to-peak noise values provide the best estimate of the
uncertainty in a single measurement. Table 8 lists the typical
noise output of the ADXL212 for various CX and CY values.
Table 8. Filter Capacitor Selection (CX, CY)
Bandwidth(Hz)
CX, CY
(μF)
RMS Noise
(mg)
Peak-to-Peak Noise
Estimate (mg)
10 0.47 0.64 3.8
50 0.1 1.4 8.6
100 0.047 2 12
500 0.01 4.5 27.2
ADXL212
Rev. 0 | Page 11 of 12
USING THE ADXL212 WITH OPERATING
VOLTAGES OTHER THAN 5 V
The ADXL212 is tested and specified at VS = 5 V; however, it
can be powered with VS as low as 3 V or as high as 5.25 V. Some
performance parameters change as the supply voltage varies.
The ADXL212 sensitivity varies proportionally to supply
voltage. At VS = 3 V, the sensitivity is typically 7.5%/g.
The zero g bias output is ratiometric to supply voltage;
therefore, the zero g output is nominally equal to 50% at all
supply voltages.
Self test response in g is roughly proportional to the square of
the supply voltage. Therefore, at VS = 3 V, the self test response
is equivalent to approximately 270 mg (typical), or 6%.
The supply current decreases as the supply voltage decreases.
Typical current consumption at VDD = 3 V is 450 µA.
USING THE ADXL212 AS A DUAL AXIS TILT
SENSOR
A common application of the ADXL212 is tilt measurement. An
accelerometer uses the force of gravity as an input vector to deter-
mine its orientation in space.
An accelerometer is most sensitive to tilt when its sensitive axis
is perpendicular to the force of gravity, that is, parallel to the
surface of the earth. At this orientation, its response to changes
in tilt is highest: its output changes nearly 17.5 mg per degree of
tilt. When the accelerometer is oriented on axis to gravity, that
is, near its +1 g or –1 g reading, the change in output acceleration
per degree of tilt is negligible. At 45°, its output changes by
12.2 mg per degree.
Dual Axis Tilt Sensor: Converting Acceleration to Tilt
When the accelerometer is oriented with both its x-axis and
y-axis parallel to the surface of the earth (reading approximately
0 g), it can be used as a dual axis tilt sensor with a roll axis and a
pitch axis. The output tilt in degrees is calculated as follows:
Pitch = ASIN(AX/1 g)
Roll = ASIN(AY/1 g)
where AX and AY are accelerations in g, ranging from −1 g to +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.
ADXL212
Rev. 0 | Page 12 of 12
OUTLINE DIMENSIONS
BOTTOM VIEW
(PLATING OPTION 1,
SEE DETAIL A
FOROPTION2)
DETAIL A
(OPTION 2)
1
3
5
7
TOP VIEW
0.075 REF
R0.008
(4 PLCS)
0.203
0.197 SQ
0.193
0.020
0.015
0.010
(R 4 PLCS)
0.180
0.177 SQ
0.174
0.087
0.078
0.069
0.008
0.006
0.004 0.077
0.070
0.063
0.054
0.050
0.046
0.030
0.025
0.020 0.028
0.020 DIA
0.012
0.019 SQ
0.106
0.100
0.094
R0.008
(8 PLCS)
05-21-2010-D
Figure 21. 8-Terminal Ceramic Leadless Chip Carrier [LCC]
(E-8-1)
Dimensions shown in millimeters
ORDERING GUIDE
Model1
Number
of Axes
Specified
Voltage (V)
Temperature
Range Package Description
Package
Option
ADXL212AEZ 2 5 –40°C to +85°C 8-Terminal Ceramic Leadless Chip Carrier [LCC] E-8-1
ADXL212AEZ–RL 2 5 –40°C to +85°C 8-Terminal Ceramic Leadless Chip Carrier [LCC] E-8-1
EVAL-ADXL212Z Evaluation Board
1 Z = RoHS Compliant Part.
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D09804-0-5/11(0)