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ADXL377 Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL377
Szczegółowy opis  Small, Low Power, 3-Axis 200 g Accelerometer
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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Data Sheet
ADXL377
Rev. 0 | Page 3 of 12
SPECIFICATIONS
TA = 25°C, VS = 3 V, CX = CY = CZ = 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 Sensitivity1
±1.4
%
SENSITIVITY, RATIOMETRIC2
Each axis
Sensitivity at XOUT, YOUT, and ZOUT
VS = 3 V
5.8
6.5
7.2
mV/g
Sensitivity Change Due to Temperature3
VS = 3 V
±0.02
%/°C
ZERO g BIAS LEVEL, RATIOMETRIC
Zero g Voltage
VS = 3 V, TA = 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
XOUT and YOUT
2.7
mg/√Hz
ZOUT
4.3
mg/√Hz
FREQUENCY RESPONSE4
Bandwidth5
No external filter
XOUT and YOUT
1300
Hz
ZOUT
1000
Hz
RFILT Tolerance
32 ± 15%
Sensor Resonant Frequency
16.5
kHz
SELF-TEST6
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 XOUT
−6.5
mV
At YOUT
6.5
mV
At ZOUT
11.5
mV
OUTPUT AMPLIFIER
No load
Output Swing Low
0.1
V
Output Swing High
2.8
V
POWER SUPPLY
Operating Voltage Range7
1.8
3.0
3.6
V
Supply Current
VS = 3 V
300
μA
Turn-On Time8
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 VS.
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 (CX, CY, and CZ).
5 Bandwidth with external capacitors = 1/(2π × 32 kΩ × Cx).
6 Self-test response changes cubically with VS.
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 CX, CY, and CZ and is approximately 160 × (CX or CY or CZ) + 1, where CX, CY, and CZ are in μF and the resulting turn-on time is in ms.




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