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ADXL346_1 Datasheet(Arkusz danych) 3 Page - Analog Devices

Numer części ADXL346_1
Szczegółowy opis  3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power DIgital Accelerometer
Pobierz  40 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL346
Rev. 0 | Page 3 of
40
SPECIFICATIONS
TA = 25°C, VS = 2.6 V, VDD I/O = 1.8 V, acceleration = 0 g, CS = 10 μF tantalum, CI/O = 0.1 μF, ODR = 800 Hz, unless otherwise noted.
Table 1. Specifications
Parameter
Test Conditions
Min1
Typ2
Max1
Unit
SENSOR INPUT
Each axis
Measurement Range
User selectable
±2, ±4, ±8, ±16
g
Nonlinearity
Percentage of full scale
±0.5
%
Inter-Axis Alignment Error
±0.1
Degrees
Cross-Axis Sensitivity3
±1
%
OUTPUT RESOLUTION
Each axis
All g Ranges
10-bit resolution
10
Bits
±2 g Range
Full resolution
10
Bits
±4 g Range
Full resolution
11
Bits
±8 g Range
Full resolution
12
Bits
±16 g Range
Full resolution
13
Bits
SENSITIVITY
Each axis
Sensitivity at XOUT, YOUT, ZOUT
All g ranges, full resolution
230
256
282
LSB/g
±2 g, 10-bit resolution
230
256
282
LSB/g
±4 g, 10-bit resolution
115
128
141
LSB/g
±8 g, 10-bit resolution
57
64
71
LSB/g
±16 g, 10-bit resolution
29
32
35
LSB/g
Sensitivity Deviation from Ideal
All g ranges
±1.0
%
Scale Factor at XOUT, YOUT, ZOUT
All g ranges, full resolution
3.5
3.9
4.3
mg/LSB
±2 g, 10-bit resolution
3.5
3.9
4.3
mg/LSB
±4 g, 10-bit resolution
7.1
7.8
8.7
mg/LSB
±8 g, 10-bit resolution
14.1
15.6
17.5
mg/LSB
±16 g, 10-bit resolution
28.6
31.2
34.5
mg/LSB
Sensitivity Change Due to Temperature
±0.02
%/°C
0 g OFFSET
Each axis
0 g Output for XOUT, YOUT, ZOUT
−150
0
+150
mg
0 g Output Deviation from Ideal
±35
mg
0 g Offset vs. Temperature for X-, Y-Axes
±0.7
mg/°C
0 g Offset vs. Temperature for Z-Axis
±1.3
mg/°C
NOISE
X-, Y-Axes
ODR = 100 Hz for ±2 g, 10-bit
resolution or all g ranges, full
resolution
1.1
LSB rms
Z-Axis
ODR = 100 Hz for ±2 g, 10-bit
resolution or all g ranges, full
resolution
1.5
LSB rms
OUTPUT DATA RATE AND BANDWIDTH
User selectable
Output Data Rate (ODR)4, 5, 6
0.10
3200
Hz
SELF-TEST7
Output Change in X-Axis
0.27
1.55
g
Output Change in Y-Axis
−1.55
−0.27
g
Output Change in Z-Axis
0.40
1.95
g
POWER SUPPLY
Operating Voltage Range (VS)
1.7
2.6
2.75
V
Interface Voltage Range (VDD I/O)
1.7
1.8
VS
V
Measurement Mode Supply Current
ODR ≥ 100 Hz
140
μA
ODR < 10 Hz
30
μA
Standby Mode Supply Current
0.2
μA
Turn-On and Wake-Up Time8
ODR = 3200 Hz
1.4
ms




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