MMA6260QR2 Freescale Semiconductor, MMA6260QR2 Datasheet - Page 5
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MMA6260QR2
Manufacturer Part Number
MMA6260QR2
Description
ACCELEROMETER DUAL 1.5G 16-QFN
Manufacturer
Freescale Semiconductor
Series
MMA6200r
Datasheet
1.KIT1925MMA6260Q.pdf
(11 pages)
Specifications of MMA6260QR2
Axis
X, Y
Acceleration Range
±1.5g
Sensitivity
800mV/g
Voltage - Supply
2.7 V ~ 3.6 V
Output Type
Analog
Bandwidth
50Hz
Mounting Type
Surface Mount
Package / Case
16-QFN Exposed Pad
Sensing Axis
X, Y
Acceleration
1.5 g
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 20 C
Lead Free Status / RoHS Status
Contains lead / RoHS Compliant
Interface
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MMA6260QR2
Manufacturer:
FREESCALE
Quantity:
20 000
Sensors
Freescale Semiconductor
Pinout Description
1, 5 – 7, 13, 16
V
2, 8 – 11
Pin No.
DD
0.1 µF
Figure 5. Accelerometer with Recommended
14
15
12
3
4
Logic
Input
V
V
Figure 4. Pinout Description
NC
NC
DD
SS
12
3
4
Name
Y
X
V
N/C
V
N/C
Pin
ST
OUT
OUT
ST
Connection Diagram
V
V
DD
SS
1
2
3
4
DD
SS
MMA6260Q
16
5
Series
No internal connection.
Leave unconnected.
Output voltage of the accelerometer.
Y Direction.
Output voltage of the accelerometer.
X Direction.
Power supply input.
The power supply ground.
Used for factory trim.
Leave unconnected.
Logic input pin used to initiate
self-test.
Top View
15
6
Y
X
14 13
OUT
OUT
7
8
14
15
Description
0.1 µF
0.1 µF
11
10
12
9 N/C
1 kΩ
1 kΩ
N/C
N/C
ST
BASIC CONNECTIONS
X Output
Signal
Y Output
Signal
PCB Layout
NOTES:
1. Use 0.1 µF capacitor on V
2. Physical coupling distance of the accelerometer to the
3. Flag underneath package is connected to ground.
4. Place a ground plane beneath the accelerometer to
5. Use an RC filter with 1.0 kΩ and 0.1 µF on the outputs
6. PCB layout of power and ground should not couple
7. Accelerometer and microcontroller should not be a
8. A/D sampling rate and any external power supply
9. PCB layout should not run traces or vias under the
Figure 6. Recommend PCB Layout for Interfacing
source.
microcontroller should be minimal.
reduce noise, the ground plane should be attached to
all of the open ended terminals shown in
of the accelerometer to minimize clock noise (from the
switched capacitor filter circuit).
power supply noise.
high current path.
switching frequency should be selected such that they
do not interfere with the internal accelerometer
sampling frequency (16 kHz for Low I
Standard I
prevent aliasing errors.
QFN part. This could lead to ground shorting to the
accelerometer flag.
X
Y
V
OUT
OUT
V
ST
DD
SS
Accelerometer to Microcontroller
C
Power Supply
1 kΩ
DD
1 kΩ
0.1 µF
R
R
for the sampling frequency). This will
C
C
C
0.1 µF
0.1 µF
0.1 µF
DD
A/D IN
A/D IN
P0
V
RH
to decouple the power
DD
V
V
DD
and 52 kHz for
SS
Figure
MMA6260Q
C
0.1 µF
6.
5