ADXL213
Rev. A | Page 3 of 12
SPECIFICATIONS
T
A
= –40°C to +85°C, V
S
= 5 V, C
X
= C
Y
= 0.1 F, Acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications
are guaranteed. Typical specifications are not guaranteed.
Table 1.
Parameter Conditions Min Typ Max Unit
SENSOR INPUT Each axis
Measurement Range
1
±1.2
g
Nonlinearity % of full scale ±0.5 %
Package Alignment Error ±1 Degrees
Alignment Error X sensor to Y sensor ±0.1 Degrees
Cross Axis Sensitivity ±2 %
SENSITIVITY (Ratiometric)
2
Each axis
Sensitivity at X
OUT
, Y
OUT
V
S
= 5 V 27 30 33 %/g
Sensitivity Change due to Temperature
3
V
S
= 5 V ±0.3 %
ZERO g BIAS LEVEL (Ratiometric) Each axis
0 g Voltage at X
OUT
, Y
OUT
V
S
= 5 V ±50 %
Initial 0 g Output Deviation from Ideal V
S
= 5 V, 25°C ±2 %
0 g Offset vs. Temperature ±0.25 mg/°C
NOISE PERFORMANCE
Noise Density @25°C
160
μg/√Hz
rms
FREQUENCY RESPONSE
4
C
X
, C
Y
Range
5
0.002 4.7 μF
R
FILT
Tolerance 22 32 42 kΩ
Sensor Resonant Frequency 5.5 kHz
SELF TEST
6
Logic Input Low 1 V
Logic Input High 4 V
ST Input Resistance to Ground 30 50 kΩ
Output Change at X
OUT
, Y
OUT
Self test 0 to 1 23 %
PWM Output
F
SET
R
SET
= 125 kΩ 1 kHz
T2 Drift versus Temperature ±0.3 %
POWER SUPPLY
Operating Voltage Range 3 6 V
Quiescent Supply Current 0.7 1.1 mA
Turn-On Time
7
20 ms
1
Guaranteed by measurement of initial offset and sensitivity.
2
Sensitivity varies with V
S
. At V
S
= 3 V, sensitivity is typically 28%/g.
3
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 (C
X
, C
Y
).
5
Bandwidth = 1/(2 × π × 32 kΩ × C). For C
X
, C
Y
= 0.002 μF, Bandwidth = 2500 Hz. For C
X
, C
Y
= 4.7 μF, Bandwidth = 1 Hz. Minimum/maximum values are not tested.
6
Self-test response changes with V
S
. At V
S
= 3 V, self-test output is typically 8%.
7
Larger values of C
X
, C
Y
increase turn-on time. Turn-on time is approximately 160 × C
X
or C
Y
+ 4 ms, where C
X
, C
Y
are in μF.
