MMA8453QT Freescale Semiconductor, MMA8453QT Datasheet - Page 8

• 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

single 4.7 µF ceramic) should be placed as near as possible to the pins 1 and 14 of the device.
signals SCL, SDA, and SA0 will clamp any logic signals with their internal ESD protection diodes.
interface. The SDA and SCL I
diagram in
1.3
8
MMA8453Q
The device power is supplied through VDD line. Power supply decoupling capacitors (100 nF ceramic plus 4.7 µF bulk, or a
The control signals SCL, SDA, and SA0 are not tolerant of voltages more than VDDIO + 0.3 V. If VDDIO is removed, the control
The functions, the threshold and the timing of the two interrupt pins (INT1 and INT2) are user programmable through the I
The QFN package is compliant with the RoHS standard. Please refer to AN4077.
Figure
Soldering Information
Table 1. Pin Description
4.
Pin #
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Pin Name
VDDIO
GND
GND
GND
INT2
INT1
VDD
BYP
SCL
SDA
SA0
NC
NC
NC
NC
NC
2
C connections are open drain and therefore require a pull-up resistor as shown in the application
Internal Power Supply (1.62 V - 3.6 V)
Bypass capacitor (0.1 μF)
Leave open. Do not connect
I
Connect to Ground
I
I
Internally not connected (can be GND or VDD)
Inertial Interrupt 2
Connect to Ground
Inertial Interrupt 1
Connect to Ground
Internally not connected (can be GND or VDD)
Power Supply (1.95 V - 3.6 V)
Internally not connected (can be GND or VDD)
Internally not connected (can be GND or VDD)
2
2
2
C Serial Clock
C Serial Data
C Least Significant Bit of the Device I
Description
2
C Address
Open Drain
Open Drain
Pin Status
Output
Output
Open
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Freescale Semiconductor
Sensors
2
C