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MMA6280QT Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

Part # MMA6280QT
Description  짹1.5 g - 6 g Dual Axis Low-g Micromachined Accelerometer
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MMA6280QT Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc

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Freescale Semiconductor
3
MMA6280QT
Table 2. Operating Characteristics
Unless otherwise noted: –20°C < TA < 85°C, 2.2 V < VDD < 3.6 V, Acceleration = 0 g, Loaded output(1)
1. For a loaded output, the measurements are observed after an RC filter consisting of a 1.0 kΩ resistor and a 0.1 µF capacitor on VDD-GND.
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, Z-Axis
g-Select1 & 2: 00
g-Select1 & 2: 10
g-Select1 & 2: 01
g-Select1 & 2: 11
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 1.5 g mode.
VDD
IDD
IDD
TA
gFS
gFS
gFS
gFS
2.2
–40
3.3
500
3
±1.5
±2.0
±4.0
±6.0
3.6
800
10
+105
V
µA
µA
°C
g
g
g
g
Output Signal
Zero-g (TA = 25°C, VDD = 3.3 V)(5)
Zero-g(4)
X-axis
Z-axis
Sensitivity (TA = 25°C, VDD = 3.3 V)
1.5 g
2 g
4 g
6 g
Sensitivity(4)
X-axis
Z-axis
Bandwidth Response
X
Z
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 VDD/2. For negative acceleration, the output will decrease below VDD/2.
VOFF
VOFF, TA
VOFF, TA
S1.5g
S2g
S4g
S6g
S,TA
S,TA
f-3dB
f-3dB
1.485
±2.6(6)
±1.0(6)
740
555
277.5
185
±0.02(6)
±0.01(6)
6. These values represent the 10th percentile, not the minimum.
1.65
±0.6
±0.8
800
600
300
200
±0.02
±0.00
350
150
1.815
±3.8(7)
±0.8(7)
860
645
322.5
215
±0.02(7)
±0.01(7)
7. These values represent the 90th percentile, not the maximum.
V
mg/°C
mg/°C
mV/g
mV/g
mV/g
mV/g
%/°C
%/°C
Hz
Hz
Noise
RMS (0.1 Hz – 1 kHz)(4)
Power Spectral Density RMS (0.1 Hz – 1 kHz)(4)
nRMS
nPSD
4.7
350
mVrms
µg/
Control Timing
Power-Up Response Time(8)
Enable Response Time(9)
Sensing Element Resonant Frequency
X
Z
Internal Sampling Frequency
8. The response time between 10% of full scale VDD 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.
tRESPONSE
tENABLE
fGCELL
fGCELL
fCLK
1.0
0.5
6.0
3.4
11
2.0
2.0
ms
ms
kHz
kHz
kHz
Output Stage Performance
Full-Scale Output Range (IOUT = 30 µA)
VFSO
VSS+0.25
VDD–0.25
V
Nonlinearity, XOUT, ZOUT
NLOUT
–1.0
+1.0
%FSO
Cross-Axis Sensitivity(10)
10. A measure of the device’s ability to reject an acceleration applied 90° from the true axis of sensitivity.
VXY, XZ, YZ
——
5.0
%
Hz


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