參數(shù)資料
型號: ADXL204EB
廠商: Analog Devices, Inc.
英文描述: Precisionc +-1.7 g Single-/Dual-Axis i MEMS Accelerometer
中文描述: Precisionc -1.7克Single-/Dual-Axis i MEMS加速度
文件頁數(shù): 3/12頁
文件大小: 486K
代理商: ADXL204EB
ADXL204
SPECIFICATIONS
All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed.
Rev. A | Page 3 of 12
T
A
= –40°C to +125°C; V
S
= 3.3 V; C
X
= C
Y
= 0.1 μF; acceleration = 0
g
, unless otherwise noted.
Table 1.
Parameter
SENSOR INPUT
Measurement Range
1
Nonlinearity
Package Alignment Error
Alignment Error
Cross Axis Sensitivity
SENSITIVITY (RATIOMETRIC)
2
Sensitivity at X
OUT
, Y
OUT
Sensitivity Change due to Temperature
3
ZERO
g
BIAS LEVEL (RATIOMETRIC)
0
g
Voltage at X
OUT
, Y
OUT
Initial 0
g
Output Deviation from Ideal
0
g
Offset vs. Temperature
NOISE PERFORMANCE
Output Noise
Noise Density
FREQUENCY RESPONSE
4
C
X
, C
Y
Range
5
R
FILT
Tolerance
Sensor Resonant Frequency
SELF TEST
T
6
Logic Input Low
Logic Input High
ST Input Resistance to Ground
Output Change at X
OUT
, Y
OUT
OUTPUT AMPLIFIER
Output Swing Low
Output Swing High
POWER SUPPLY
Operating Voltage Range
Quiescent Supply Current
Turn-On Time
7
1
Guaranteed by measurement of initial offset and sensitivity.
2
Sensitivity is essentially ratiometric to V
S
. For V
S
= 3.0 V to 3.6 V, sensitivity is typically 185 mV/V/
g
to 190 mV/V/
g
.
3
Defined as the change from ambient-to-maximum temperature or ambient-to-minimum temperature.
4
Actual frequency response controlled by user-supplied external capacitor (C
X
, C
Y
).
5
Bandwidth = 1/(2 × π × 32 kΩ × C). For C
X
, C
Y
= 0.002 μF, bandwidth = 2500 Hz. For C
X
, C
Y
= 10 μF, bandwidth = 0.5 Hz. Minimum/maximum values are not tested.
6
Self-test response changes cubically with V
S
.
7
Larger values of C
X
, C
Y
increase turn-on time. Turn-on time is approximately 160 × C
X
or C
Y
+ 4 ms, where C
X
, C
Y
are in μF.
Conditions
Each axis
% of full scale
X sensor to Y sensor
Each axis
V
S
= 3.3 V
V
S
= 3.3 V
Each axis
V
S
= 3.3 V
V
S
= 3.3 V, 25°C
<4 kHz, V
S
= 3.3 V
Self test 0 to 1
No load
No load
Min
±1.7
595
1.55
0.002
24
2.64
30
100
0.05
3
Typ
±0.2
±1
±0.1
±1.5
620
±0.3
1.65
±50
±0.15
1
170
32
5.5
50
200
0.2
2.9
0.5
20
Max
±1.25
±3
645
1.75
±0.8
3
10
40
0.66
300
3.1
6
0.9
Unit
g
%
Degrees
Degrees
%
mV/
g
%
V
m
g
m
g
/°C
mV rms
μ
g
/√Hz rms
μF
kHz
V
V
mV
V
V
V
mA
ms
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