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ADXL345TCCZ-EP Datasheet(Arkusz danych) 4 Page - Analog Devices

Numer części ADXL345TCCZ-EP
Szczegółowy opis  Digital Accelerometer
Pobierz  40 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADXL345
Data Sheet
Rev. D | Page 4 of 40
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
Min
Typ1
Max
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 Sensitivity2
±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
±0.01
%/°C
0 g OFFSET
Each axis
0 g Output for XOUT, YOUT
−150
0
+150
mg
0 g Output for ZOUT
−250
0
+250
mg
0 g Output Deviation from Ideal, XOUT, YOUT
±35
mg
0 g Output Deviation from Ideal, ZOUT
±40
mg
0 g Offset vs. Temperature for X-, Y-Axes
±0.4
mg/°C
0 g Offset vs. Temperature for Z-Axis
±1.2
mg/°C
NOISE
X-, Y-Axes
ODR = 100 Hz for ±2 g, 10-bit resolution or
all g-ranges, full resolution
0.75
LSB rms
Z-Axis
ODR = 100 Hz for ±2 g, 10-bit resolution or
all g-ranges, full resolution
1.1
LSB rms
OUTPUT DATA RATE AND BANDWIDTH
User selectable
Output Data Rate (ODR)3, 4, 5
0.1
3200
Hz
SELF-TEST6
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
2.5
3.6
V
Interface Voltage Range (VDD I/O)
1.7
1.8
VS
V
Supply Current
ODR ≥ 100 Hz
140
µA
ODR < 10 Hz
30
µA
Standby Mode Leakage Current
0.1
µA
Turn-On and Wake-Up Time7
ODR = 3200 Hz
1.4
ms




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