ADXL343 Просмотр технического описания (PDF) - Analog Devices
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ADXL343 Datasheet PDF : 36 Pages
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Data Sheet
ADXL343
SPECIFICATIONS
TA = 25°C, VS = 2.5 V, VDD I/O = 1.8 V, acceleration = 0 g, CS = 10 µF tantalum, CI/O = 0.1 µF, output data rate (ODR) = 800 Hz, unless
otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
Table 1.
Parameter
Test Conditions/Comments
Min Typ1
Max Unit
SENSOR INPUT
Measurement Range
Nonlinearity
Each axis
User selectable
Percentage of full scale
±2, ±4, ±8, ±16
g
±0.5
%
Inter-Axis Alignment Error
Cross-Axis Sensitivity2
±0.1
Degrees
±1
%
OUTPUT RESOLUTION
Each axis
All g Ranges
10-bit resolution
10
Bits
±2 g Range
±4 g Range
Full resolution
Full resolution
10
Bits
11
Bits
±8 g Range
±16 g Range
Full resolution
Full resolution
12
Bits
13
Bits
SENSITIVITY
Sensitivity at XOUT, YOUT, ZOUT
Each axis
All g ranges, full resolution
±2 g, 10-bit resolution
±4 g, 10-bit resolution
256
LSB/g
256
LSB/g
128
LSB/g
±8 g, 10-bit resolution
64
LSB/g
Sensitivity Deviation from Ideal
Scale Factor at XOUT, YOUT, ZOUT
±16 g, 10-bit resolution
All g ranges
All g ranges, full resolution
±2 g, 10-bit resolution
32
LSB/g
±1.0
%
3.9
mg/LSB
3.9
mg/LSB
±4 g, 10-bit resolution
7.8
mg/LSB
±8 g, 10-bit resolution
15.6
mg/LSB
Sensitivity Change Due to Temperature
±16 g, 10-bit resolution
31.2
±0.01
mg/LSB
%/°C
0 g OFFSET
0 g Output Deviation from Ideal, X-, Y-, Z-Axes
0 g Offset vs. Temperature for X-, Y-, Z-Axes
Each axis
±35
mg
±0.8
mg/°C
NOISE
X-, Y-, Z-Axes
ODR = 100 Hz for ±2 g, 10-bit resolution
1.1
or all g-ranges, full resolution
LSB rms
OUTPUT DATA RATE AND BANDWIDTH
Output Data Rate (ODR)3, 4, 5
SELF-TEST6
Output Change in X-Axis
Output Change in Y-Axis
Output Change in Z-Axis
POWER SUPPLY
Operating Voltage Range (VS)
Interface Voltage Range (VDD I/O)
Supply Current
User selectable
ODR ≥ 100 Hz
0.1
0.20
−2.10
0.30
2.0 2.5
1.7 1.8
140
3200 Hz
2.10 g
−0.20 g
3.40 g
3.6 V
VS
V
µA
ODR < 10 Hz
30
µA
Standby Mode Leakage Current
Turn-On and Wake-Up Time7
ODR = 3200 Hz
0.1
µA
1.4
ms
Rev. 0 | Page 3 of 36
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