MMA5224WR2 Freescale Semiconductor, MMA5224WR2 Datasheet - Page 26

• Manufacturer Part Number: MMA5224WR2
• Description: IC ACCELER 240G X-AXIS 16QFN
• Manufacturer: Freescale Semiconductor

Specifications of MMA5224WR2

• Sensing Axis: X
• Acceleration: 240 g
• Sensitivity: 0.5 g/LSB
• Package / Case: QFN-16
• Supply Voltage (max): 25 V
• Supply Current: 4 mA to 8 mA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

26
3.5.3.2
register. The filter selection options are listed in
tion
Table 4. Low Pass Filter Coefficients
Note: Low Pass Filter values do not include g-cell frequency response.
MMA52xxWR
400 Hz, 3-Pole LPF
400 Hz, 4-Pole LPF
Data from the Sinc filter is processed by an infinite impulse response (IIR) low pass filter.
The device provides the option for one of two low-pass filters. The filter is selected with the LPF[1:0] bits in the DEVCFG3
Description
2.7. Filter characteristics are illustrated in
H z ( )
Low Pass Filter
n
n
n
n
n
n
n
n
n
n
n
n
=
a
a
11
12
13
21
22
23
11
12
13
21
22
23
0
0
a 0
⋅
(
------------------------------------------------------------------------------------------------ -
(
n 11 z 0
d 11 z 0
5.189235225042199e-02
1.629077582099646e-03
1.630351547919014e-03
2.500977520825902e-01
4.999999235890745e-01
2.499023243303036e-01
3.143225986084408e-03
9.951105668343345e-04
2.003487780064749e-03
1.008466113720278e-03
2.516720624825626e-01
4.999888752940916e-01
2.483390622233452e-01
⋅
⋅
)
)
+
+
0
(
(
n 12 z 1
d 12 z 1
Figure 17
Section
⋅
⋅
–
–
Filter Coefficients
)
)
+
+
3.1.4.2. Response parameters for the low-pass filter are specified in
and
(
(
n 13 z 2
d 13 z 2
Figure
d
d
d
d
d
d
d
d
d
d
d
d
11
12
13
21
22
23
11
12
13
21
22
23
⋅
⋅
–
–
18.
)
)
⋅
(
------------------------------------------------------------------------------------------------ -
(
-1.915847097557409e+00
-1.892328151433503e+00
-1.918978239761011e+00
-9.481076477495780e-01
9.191065266874253e-01
8.954713774195870e-01
9.229853042218408e-01
n 21 z 0
d 11 z 0
⋅
⋅
)
)
1.0
1.0
1.0
1.0
0
+
+
(
(
n 22 z 1
d 22 z 1
⋅
⋅
–
–
)
)
+
+
(
(
n 23 z 2
d 23 z 2
Freescale Semiconductor
⋅
⋅
Group Delay
–
–
2816/f
3392/f
)
)
osc
osc
Sensors
Sec-