Data Sheet ADXL377
Rev. 0 | Page 3 of 12
SPECIFICATIONS
T
A
= 25°C, V
S
= 3 V, C
X
= C
Y
= C
Z
= 0.1 μF, 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 Range ±200
g
Nonlinearity % of full scale up to 180 g ±0.5 %
Cross-Axis Sensitivity
1
±1.4 %
SENSITIVITY, RATIOMETRIC
2
Each axis
Sensitivity at X
OUT
, Y
OUT
, and Z
OUT
V
S
= 3 V 5.8 6.5 7.2 mV/g
Sensitivity Change Due to Temperature
3
V
S
= 3 V ±0.02 %/°C
ZERO g BIAS LEVEL, RATIOMETRIC
Zero g Voltage V
S
= 3 V, T
A
= 25°C 1.4 1.5 1.6 V
Zero g Offset vs. Temperature
X-Axis and Y-Axis ±12 mg/°C
Z-Axis ±30 mg/°C
NOISE PERFORMANCE
Noise Density
X
OUT
and Y
OUT
2.7 mg/√Hz
Z
OUT
4.3 mg/√Hz
FREQUENCY RESPONSE
4
Bandwidth
5
No external filter
X
OUT
and Y
OUT
1300 Hz
Z
OUT
1000 Hz
R
FILT
Tolerance 32 ± 15% kΩ
Sensor Resonant Frequency 16.5 kHz
SELF-TEST
6
Logic Input Low 0.6 V
Logic Input High 2.4 V
ST Actuation Current 60 μA
Output Change Self-test, 0 to 1
At X
OUT
−6.5 mV
At Y
OUT
6.5 mV
At Z
OUT
11.5 mV
OUTPUT AMPLIFIER No load
Output Swing Low 0.1 V
Output Swing High 2.8 V
POWER SUPPLY
Operating Voltage Range
7
1.8 3.0 3.6 V
Supply Current V
S
= 3 V 300 μA
Turn-On Time
8
No external filter 1 ms
OPERATING TEMPERATURE RANGE −40 +85 °C
1
Defined as coupling between any two axes.
2
Sensitivity is essentially ratiometric to V
S
.
3
Defined as the output change from ambient temperature to maximum temperature or from ambient temperature to minimum temperature.
4
Actual frequency response controlled by user-supplied external filter capacitors (C
X
, C
Y
, and C
Z
).
5
Bandwidth with external capacitors = 1/(2π × 32 kΩ × C
x
).
6
Self-test response changes cubically with V
S
.
7
Tested at 3.0 V and guaranteed by design only (not tested) to work over the full voltage range from 1.8 V to 3.6 V.
8
Turn-on time is dependent on C
X
, C
Y
, and C
Z
and is approximately 160 × (C
X
or C
Y
or C
Z
) + 1, where C
X
, C
Y
, and C
Z
are in μF and the resulting turn-on time is in ms.
