參數(shù)資料
型號(hào)： ADXL250
廠商： Analog Devices, Inc.
英文描述： Low Power，65 g to 650 g, Low Noise,Single/Dual Axis Accelerometers(低功耗、測(cè)量范圍為65g到650g的低噪音單/雙軸雙軸加速器)
中文描述： 低功耗，65克至650克，低噪聲，單/雙軸加速度（低功耗，測(cè)量范圍為65克到650克的低噪音單/雙軸雙軸加速器）
文件頁(yè)數(shù)： 2/15頁(yè)
文件大?。?/td> 291K
代理商： ADXL250
–2–
REV. 0
ADXL150JQC/AQC
Min
Typ
ADXL250JQC/AQC
Min
Parameter
Conditions
Max
Typ Max
Units
SENSOR
Guaranteed Full-Scale Range
Nonlinearity
Package Alignment Error
1
Sensor-to-Sensor Alignment Error
Transverse Sensitivity
2
±
40
±
50
0.2
±
1
±
40
±
50
0.2
±
1
±
0.1
±
2
g
% of FS
Degrees
Degrees
%
±
2
SENSITIVITY
Sensitivity (Ratiometric)
3
Y Channel
X Channel
33.0
33.0
38.0 43.0
38.0 43.0
±
0.5
mV/
g
mV/
g
%
33.0
38.0
±
0.5
43.0
Sensitivity Drift Due to Temperature Delta from 25
°
C to T
MIN
or T
MAX
ZERO
g
BIAS LEVEL
Output Bias Voltage
4
Zero
g
Drift Due to Temperature
V
S
/2 – 0.35 V
S
/2
V
S
/2 + 0.35 V
S
/2 – 0.35 V
S
/2 V
S
/2 + 0.35 V
Delta from 25
°
C to T
MIN
or T
MAX
0.2
0.3
g
ZERO-
g
OFFSET ADJUSTMENT
Voltage Gain
Input Impedance
Delta V
OUT
/Delta V
OS PIN
0.45
20
0.50
30
0.55
0.45
20
0.50 0.55
30
V/V
k
NOISE PERFORMANCE
Noise Density
5
Clock Noise
1
5
2.5
1
5
2.5
m
g
/
√
Hz
mV p-p
FREQUENCY RESPONSE
–3 dB Bandwidth
Bandwidth Temperature Drift
Sensor Resonant Frequency
900
1000
50
24
900
1000
50
24
Hz
Hz
kHz
T
MIN
to T
MAX
Q = 5
SELF-TEST
Output Change
6
Logic “1” Voltage
Logic “0” Voltage
Input Resistance
ST Pin from Logic “0” to “1”
0.25
V
S
– 1
0.40
0.60
0.25
V
S
– 1
0.40 0.60
V
V
V
k
1.0
1.0
To Common
30
50
30
50
OUTPUT AMPLIFIER
Output Voltage Swing
Capacitive Load Drive
I
OUT
=
±
100
μ
A
0.25
1000
V
S
– 0.25
0.25
1000
V
S
– 0.25
V
pF
POWER SUPPLY (V
S
)
7
Functional Voltage Range
Quiescent Supply Current
4.0
6.0
3.0
4.0
6.0
V
mA
mA
ADXL150
ADXL250 (Total 2 Channels)
1.8
3.5
5.0
TEMPERATURE RANGE
Operating Range J
Specified Performance A
0
–40
+70
+85
0
–40
+70
+85
°
C
°
C
NOTES
1
Alignment error is specified as the angle between the true axis of sensitivity and the edge of the package.
2
Transverse sensitivity is measured with an applied acceleration that is 90 degrees from the indicated axis of sensitivity.
3
Ratiometric: V
= V
/2 + (Sensitivity
×
V
/5 V
×
a) where a = applied acceleration in
g
s, and V
S
= supply voltage. See Figure 21. Output scale factor can be
doubled by connecting V
to the offset null pin.
4
Ratiometric, proportional to V
/2. See Figure 21.
5
See Figure 11 and Device Bandwidth vs. Resolution section.
6
Self-test output varies with supply voltage.
7
When using ADXL250, both Pins 13 and 14 must be connected to the supply for the device to function.
Specifications subject to change without notice.
ADXL150/ADXL250–SPECIFICATIONS
(T
A
= +25
8
C for J Grade, T
A
= –40
8
C to +85
8
C for A Grade,
V
S
= +5.00 V, Acceleration = Zero g unless otherwise noted)
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