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ADXL312ACPZ Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL312ACPZ
Szczegółowy opis  3-Axis, ±1.5 g/±3 g/±6 g/±12 g Digital Accelerometer
Pobierz  32 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL312
Rev. 0 | Page 3 of 32
SPECIFICATIONS
TA = −40°C to +105°C, VS = VDD I/O = 3.3 V, acceleration = 0 g, unless otherwise noted.
Table 1. Specifications1
Parameter
Conditions
Min
Typ
Max
Unit
SENSOR INPUT
Each axis
Measurement Range
User selectable
±1.5, 3, 6, 12
g
Nonlinearity
Percentage of full scale
±0.5
%
Inter-Axis Alignment Error
±0.1
Degrees
Cross-Axis Sensitivity2
±1
%
OUTPUT RESOLUTION
Each axis
All g Ranges
Default resolution
10
Bits
±1.5 g Range
Full resolution enabled
10
Bits
±3 g Range
Full resolution enabled
11
Bits
±6 g Range
Full resolution enabled
12
Bits
±12 g Range
Full resolution enabled
13
Bits
SENSITIVITY
Each axis
Scale Factor at XOUT, YOUT, ZOUT
±1.5 g, 10-bit or full resolution
2.6
2.9
3.2
mg/LSB
Scale Factor at XOUT, YOUT, ZOUT
±3 g, 10-bit resolution
5.2
5.8
6.4
mg/LSB
Scale Factor at XOUT, YOUT, ZOUT
±6 g, 10-bit resolution
10.4
11.6
12.8
mg/LSB
Scale Factor at XOUT, YOUT, ZOUT
±12 g, 10-bit resolution
20.9
23.2
25.5
mg/LSB
Sensitivity at XOUT, YOUT, ZOUT
±1.5 g, 10-bit or full resolution
312
345
385
LSB/g
Sensitivity at XOUT, YOUT, ZOUT
±3 g, 10-bit resolution
156
172
192
LSB/g
Sensitivity at XOUT, YOUT, ZOUT
±6 g, 10-bit resolution
78
86
96
LSB/g
Sensitivity at XOUT, YOUT, ZOUT
±12 g, 10-bit resolution
39
43
48
LSB/g
Sensitivity Change Due to Temperature
±0.01
%/°C
0 g BIAS LEVEL
Each axis
Initial 0 g Output
T = 25°C, XOUT, YOUT
−150
+150
mg
Initial 0 g Output
T = 25°C, ZOUT
−250
+250
mg
0 g Output over Temperature
−40°C < T < 105°C, XOUT, YOUT, ZOUT
−250
+250
mg
0 g Offset Tempco
XOUT, YOUT
±0.8
mg/°C
0 g Offset Tempco
ZOUT
±1.5
mg/°C
NOISE PERFORMANCE
Noise Density (X-, Y-axes)
200
340
440
μg/√Hz
Noise Density (Z-axis)
200
470
595
μg/√Hz
OUTPUT DATA RATE/BANDWIDTH
User selectable
Measurement Rate3
6.25
3200
Hz
SELF-TEST4
Data rate ≥ 100 Hz, 2.0 ≤ VS ≤ 3.6
Output Change in X-Axis
0.20
2.10
g
Output Change in Y-Axis
−2.10
−0.20
g
Output Change in Z-Axis
0.30
3.40
g
POWER SUPPLY
Operating Voltage Range (VS)
2.0
3.6
V
Interface Voltage Range (VDD I/O)
1.7
VS
V
Supply Current
Data rate > 100 Hz
100
170
300
μA
Data rate < 10 Hz
30
55
110
μA
Standby Mode Leakage Current
0.1
2
μA
Turn-On (Wale-Up) Time5
1.4
ms
TEMPERATURE
Operating Temperature Range
−40
+105
°C




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