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ADXL311_15 Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL311_15
Szczegółowy opis  Ultracompact 2g Dual-Axis Accelerometer
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL311
Rev. B | Page 3 of 12
SPECIFICATIONS
TA = 25°C, VDD = 3 V, acceleration = 0 g, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
SENSOR INPUT
Each axis
Measurement Range
±2
g
Nonlinearity
Best fit straight line
0.2
% of FS
Aligment Error1
±1
Degrees
Aligment Error
X sensor to Y sensor
±0.1
Degrees
Cross-Axis Sensitivity2
±2
%
SENSITIVITY
Each axis
Sensitivity at XFILT, YFILT
VDD = 3 V
174
mV/g
Sensitivity Tolerance (part to part)
±15
%
Sensitivity Change due to Temperature3
∆ from 25°C
±0.02
%/°C
0 g BIAS LEVEL
Each axis
0 g Voltage XFILT, YFILT
VDD = 3 V
1.2
1.5
1.8
V
0 g Offset vs. Temperature
∆ from 25°C
±1.0
mg/°C
NOISE PERFORMANCE
Noise Density
@ 25°C
300
µg/√Hz rms
FREQUENCY RESPONSE
−3 dB Bandwidth
@ Pin XFILT and Pin YFILT
3
kHz
Sensor Resonant Frequency
5.5
kHz
FILTER
RFILT Tolerance
32 kΩ nominal
±15
%
Minimum Capacitance
@ Pin XFILT and Pin YFILT
1000
pF
SELF TEST
XFILT, YFILT
Self Test 0 to Self Test 1
50
mV
POWER SUPPLY
Operating Voltage Range
2.4
5.25
V
Quiescent Supply Current
0.4
1.0
mA
Turn-On Time4
160 × CFILT + 4
ms
TEMPERATURE RANGE
Operating Range
0
70
°C
1 Alignment error is specified as the angle between the true and indicated axis of sensitivity.
2 Cross axis sensitivity is the algebraic sum of the alignment and the inherent sensitivity errors.
3 Defined as the change from ambient to maximum temperature, or ambient to minimum temperature.
4 CFILT in µF.




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