MMA8453QT Freescale Semiconductor, MMA8453QT Datasheet - Page 7

• Manufacturer Part Number: MMA8453QT
• Description: Board Mount Accelerometers LOW G 3-AXIS DGTL ACCEL
• Manufacturer: Freescale Semiconductor

Specifications of MMA8453QT

• Sensing Axis: X, Y, Z
• Acceleration: 2 g, 4 g, 8 g
• Digital Output - Number Of Bits: 8 bit, 10 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.95 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Digital Output - Bus Interface: I2C
• Shutdown: Yes
• Sensitivity: 256 count/g, 512 count/g, 1024 count/g
• Package / Case: QFN-16
• Output Type: Digital
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PU = Portrait Up, LR = Landscape Right, PD = Portrait Down, LL = Landscape Left, BACK and FRONT side views. There are
several registers to configure the orientation detection and are described in detail in the register setting section.
Sensors
Freescale Semiconductor
SDA
Figure 3
shows the device configuration in the 6 different orientation modes. These orientations are defined as the following:
Xout @ -1g
Yout @ 0g
Zout @ 0g
VDDIO
LL
4.7kΩ
Pin 1
SCL
Interface Voltage
VDDIO
1.6V - 3.6V
4.7kΩ
Top View
Yout @ -1g
Xout @ 0g
Zout @ 0g
Xout @ 0g
Yout @ 1g
Zout @ 0g
PU
PD
Figure 3. Landscape/Portrait Orientation
0.1μF
Figure 4. Application Diagram
Earth Gravity
0.1μF
Xout @ 1g
Yout @ 0g
Zout @ 0g
1
2
3
4
5
LR
VDDIO
BYP
NC
SCL
GND
16
6
MMA8453Q
15
7
14
8
1.95V - 3.6V
VDD
INT2
INT1
GND
GND
NC
13
12
11
10
9
Side View
Zout @ -1g
Xout @ 0g
Yout @ 0g
Xout @ 0g
Yout @ 0g
Zout @ 1g
FRONT
BACK
4.7μF
MMA8453Q
INT1
INT2
SA0
7