參數(shù)資料
型號(hào)： MMA6271QT_07
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 【2.5g - 10g Two Axis Low-g Micromachined Accelerometer
中文描述： 【2.5克- 10g的兩個(gè)三軸低g加速度計(jì)
文件頁(yè)數(shù)： 3/12頁(yè)
文件大小： 307K
代理商： MMA6271QT_07
Sensors
Freescale Semiconductor
3
MMA6271QT
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
Supply Current at Sleep Mode
(4)
Operating Temperature Range
Acceleration Range, X-Axis, Y-Axis
g-Select1 & 2: 00
g-Select1 & 2: 10
g-Select1 & 2: 01
g-Select1 & 2: 11
V
DD
I
DD
I
DD
T
A
g
FS
g
FS
g
FS
g
FS
2.2
—
—
–40
—
—
—
—
3.3
500
3
—
±2.5
±3.3
±6.7
±10.0
3.6
800
10
+105
—
—
—
—
V
μ
A
μ
A
°C
g
g
g
g
Output Signal
Zero-g (T
A
= 25°C, V
DD
= 3.3 V)
(5)
Zero-g
(4)
X-axis
Y-axis
Sensitivity (T
A
= 25°C, V
DD
= 3.3 V)
2.5g
3.3g
6.7g
10g
Sensitivity
(4)
X-axis
Y-axis
Bandwidth Response, XY
V
OFF
V
OFF
, T
A
V
OFF
, T
A
S
2.5g
S
3.3g
S
6.7g
S
10g
S,T
A
S,T
A
f
-3dB
1.485
±2.6
(6)
±5.8
(6)
444
333
167
111
±0.02
(6)
±0.01
(6)
—
1.65
±0.6
±5.8
480
360
180
120
±0.02
±0.01
350
1.815
±3.8
(7)
±5.9
(7)
516
387
193
129
±0.02
(7)
±0.01
(7)
—
V
mg/°C
mg/°C
mV/g
mV/g
mV/g
mV/g
%/°C
%/°C
Hz
Noise
RMS (0.1 Hz – 1 kHz)
(4)
Power Spectral Density RMS (0.1 Hz – 1 kHz)
(4)
n
RMS
n
PSD
—
—
3.0
350
—
—
mVrms
μ
g/
Control Timing
Power-Up Response Time
(8)
Enable Response Time
(9)
Sensing Element Resonant Frequency, XY
Internal Sampling Frequency
t
RESPONSE
t
ENABLE
f
GCELL
f
CLK
—
—
—
—
1.0
0.5
6.0
11
2.0
2.0
—
—
ms
ms
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
NL
OUT
–1.0
—
+1.0
%FSO
Cross-Axis Sensitivity
(10)
V
XY
—
—
5.0
%
1.For a loaded output, the measurements are observed after an RC filter consisting of a 1.0 k
resistor and a 0.1 μF capacitor on V
DD
-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 2.5g 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. These values represent the 10th percentile, not the minimum.
7. These values represent the 90th percentile, not the maximum.
8. The response time between 10% of full scale V
DD
input voltage and 90% of the final operating output voltage.
9. The response time between 10% of full scale Sleep Mode input voltage and 90% of the final operating output voltage.
10. A measure of the device’s ability to reject an acceleration applied 90° from the true axis of sensitivity.
Hz
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