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參數(shù)資料
| 型號： | MMA7330L |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 【4g - 16g Three Axis Low-g Micromachined Accelerometer |
| 中文描述： | 【4克-一六克三三軸低g加速度計(jì) |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 240K |
| 代理商： | MMA7330L |
Sensors
Freescale Semiconductor
3
MMA7330L
Table 2. Operating Characteristics
Unless otherwise noted: –20°C < T
A
< 85°C, 2.2 V < V
DD
< 3.6 V, Acceleration = 0g, Loaded output
(1)
Characteristic
Symbol
Min
Typ
Max
Unit
Operating Range
(2)
Supply Voltage
(3)
Supply Current
(4)
Supply Current at Sleep Mode
(4)
Operating Temperature Range
Acceleration Range, X-Axis, Y-Axis, Z-Axis
g-Select: 0
g-Select: 1
V
DD
I
DD
I
DD
T
A
g
FS
g
FS
2.2
—
—
–20
—
—
2.8
400
3
—
±4
±16
3.6
600
10
+85
—
—
V
μ
A
μ
A
°C
g
g
Output Signal
Zero g (T
A
= 25°C, V
DD
= 2.8 V)
(5)
Zero g
(4)
Sensitivity (T
A
= 25°C, V
DD
= 2.8 V)
4g
16g
Sensitivity
(4)
Bandwidth Response
XY
Z
Output Impedance
V
OFF
V
OFF
, T
A
S
4g
S
16g
S,T
A
f
-3dBXY
f
-3dBZ
Z
O
1.316
—
289.5
72.3
—
—
—
—
1.4
±2.0
308
77
±0.03
400
300
32
1.484
—
326.5
81.7
—
—
—
—
V
mg/°C
mV/g
mV/g
%/°C
Hz
Hz
k
Self Test
Output Response
X
OUT
, Y
OUT
Z
OUT
Input Low
Input High
g
STXY
g
STZ
V
IL
V
IH
—
—
V
SS
0.7 V
DD
-0.1
+1.0
—
—
—
—
0.3 V
DD
V
DD
g
g
V
V
Noise
Power Spectral Density RMS (0.1 Hz – 1 kHz)
(4)
n
PSD
—
350
—
μ
g/
Control Timing
Power-Up Response Time
(6)
Enable Response Time
(7)
Self Test Response Time
(8)
Sensing Element Resonant Frequency
XY
Z
Internal Sampling Frequency
t
RESPONSE
t
ENABLE
t
ST
f
GCELLXY
f
GCELLZ
f
CLK
—
—
—
—
—
—
1.0
0.5
2.0
6.0
3.4
11
2.0
2.0
5.0
—
—
—
ms
ms
ms
kHz
kHz
kHz
Output Stage Performance
Full-Scale Output Range (I
OUT
= 30 μA)
V
FSO
V
SS
+0.25
—
V
DD
–0.25
V
Nonlinearity, X
OUT
, Y
OUT
, Z
OUT
NL
OUT
–1.0
—
+1.0
%FSO
Cross-Axis Sensitivity
(9)
V
XY, XZ, YZ
-5.0
—
+5.0
%
1. For a loaded output, the measurements are observed after an RC filter consisting of an internal 32k
resistor and an external 3.3nF capacitor
on the analog output for each axis and a 0.1
μ
F capacitor on Vdd - GND.
2. These limits define the range of operation for which the part will meet specification.
3. Within the supply range of 2.2 and 3.6 V, the device operates as a fully calibrated linear accelerometer. Beyond these supply limits the device
may operate as a linear device but is not guaranteed to be in calibration.
4. This value is measured with g-Select in 4g mode.
5. The device can measure both + and – acceleration. With no input acceleration the output is at midsupply. For positive acceleration the output
will increase above V
DD
/2. For negative acceleration, the output will decrease below V
DD
/2.
6. The response time between 10% of full scale Vdd input voltage and 90% of the final operating output voltage.
7. The response time between 10% of full scale Sleep Mode input voltage and 90% of the final operating output voltage.
8. The response time between 10% of the full scale self test input voltage and 90% of the self test output voltage.
9. A measure of the device’s ability to reject an acceleration applied 90° from the true axis of sensitivity.
Hz
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