MMA7455LT Freescale Semiconductor, MMA7455LT Datasheet - Page 5

• Manufacturer Part Number: MMA7455LT
• Description: Board Mount Accelerometers 3-AXIS DIGITAL 2 4 8G
• Manufacturer: Freescale Semiconductor

Specifications of MMA7455LT

• Sensing Axis: X, Y, Z
• Acceleration: 2 g, 4 g, 8 g
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.4 V
• Supply Current: 400 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Sensitivity: 64 LSB/g
• Package / Case: LGA-14
• Output Type: Digital
• Acceleration Range: ± 2g, ± 4g, ± 8g
• No. Of Axes: 3
• Sensor Case Style: LGA
• No. Of Pins: 14
• Supply Voltage Range: 2.4V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Ic Interface Type: I2C, SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1. Pin Descriptions
*This address selection capability is not enabled at the default state. If the user wants to use it, factory programming is required. If activated (pin4
on the device is active).
Sensors
Freescale Semiconductor
Pin #
10
11
12
13
14
<$1D= 0001 1101> bit 0 is V
<$1C=0001 1100> bit 0 is GND on pin 4. If the pin is programmed it cannot be left NC.
1
2
3
4
5
6
7
8
9
SDA/SDI/SDO I
INT1/DRDY
Pin Name
DVDD_IO
SCL/SPC
IADDR0
AVDD
GND
GND
INT2
SDO
N/C
N/C
N/C
CS
Digital Power for I/O pads
Ground
No internal connection. Leave unconnected or connect to Ground.
I
Ground
Analog Power
SPI Enable (0), I
Interrupt 1/ Data Ready
Interrupt 2
No internal connection. Leave unconnected or connect to Ground.
Leave unconnected or connect to Ground.
SPI Serial Data Output
I
2
2
2
C Address Bit 0 (optional)*
C Serial Data (SDA), SPI Serial Data Input (SDI), 3-wire interface Serial Data Output (SDO) Open Drain/Input/Output
C Serial Clock (SCL), SPI Serial Clock (SPC)
DD
Figure 2. Simplified Accelerometer Functional Block Diagram
on pin 4
2
C Enable (1)
Description
Pin Status
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
MMA7455L
5