MMA2202D Freescale Semiconductor, MMA2202D Datasheet - Page 5

• Manufacturer Part Number: MMA2202D
• Description: SENS ACCEL X-AXIS +-50G 16-SOIC
• Manufacturer: Freescale Semiconductor
• Series: MMAr

Specifications of MMA2202D

• Axis: X or Y
• Acceleration Range: ±56.3g
• Sensitivity: 40mV/g
• Voltage - Supply: 4.75 V ~ 5.25 V
• Output Type: Analog
• Bandwidth: 400Hz
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.50mm Width)
• Family Name: MMA2202
• Package Type: SOIC
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Product Height (mm): 3.3mm
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -
• Lead Free Status / Rohs Status: Not Compliant
• Other names: MMA2202DTR; MMA2202DTR

BASIC CONNECTIONS
Pinout Description
Motorola Sensor Device Data
V
DD
0.1 µF
C1
Logic
Input
14 thru 16
9 thru 13
Pin No.
1 thru 3
STATUS
Figure 3. SOIC Accelerometer with Recommended
4
5
6
7
8
V
V
N/C
N/C
N/C
V
OUT
ST
DD
SS
4
8 V
7
V
ST
SS
DD
Pin Name
Trim pins
STATUS
MMA2202D
V
1
2
3
4
5
6
7
8
V
V
ST
—
OUT
—
SS
DD
V
OUT
No internal connection.
Leave unconnected.
Logic input pin used to
initiate self-test.
Output voltage of the
accelerometer.
Logic output pin to
indicate fault.
The power supply
ground.
The power supply input.
Used for factory trim.
Leave unconnected.
No internal connection.
Leave unconnected.
Freescale Semiconductor, Inc.
16
15
14
13
12
11
10
6
5
9
0.01 µF
1 kΩ
For More Information On This Product,
R1
Description
C2
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
Go to: www.freescale.com
Status
Output
Signal
NOTES:
• Use a 0.1 µF capacitor on VDD to decouple the power source.
• Physical coupling distance of the accelerometer to the
• Place a ground plane beneath the accelerometer to reduce noise,
• Use an RC filter of 1 kΩ and 0.01 µF on the output of the
• PCB layout of power and ground should not couple power supply
• Accelerometer and microcontroller should not be a high current
• A/D sampling rate and any external power supply switching
Status
microcontroller should be minimal.
the ground plane should be attached to all of the open ended
terminals shown in Figure 4.
accelerometer to minimize clock noise (from the switched
capacitor filter circuit).
noise.
path.
frequency should be selected such that they do not interfere with
the internal accelerometer sampling frequency. This will prevent
aliasing errors.
V
OUT
V
V
Figure 4. Recommended PCB Layout for Interfacing
ST
DD
SS
C
Power Supply
0.1 µF
1 kΩ
Accelerometer to Microcontroller
R R
C
C
0.01 µF
Connection Diagram
0.1 µF
P1
P0
A/D In
V
RH
V
V
SS
DD
C
0.1 µF
MMA2202D
5