MMA7456LT Freescale Semiconductor, MMA7456LT Datasheet - Page 5

• Manufacturer Part Number: MMA7456LT
• Description: Board Mount Accelerometers 3-AXIS DIGTL 12C&SP1
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MMA7456LT

• Sensing Axis: X, Y, Z
• Acceleration: 2 g, 4 g, 8 g
• Sensitivity: 64 count/g, 32 count/g, 16 count/g
• Package / Case: LGA-14
• Output Type: Digital
• 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
• Axis: X, Y, Z
• Acceleration Range: ± 2g, 4g, 8g
• Voltage - Supply: 2.4 V ~ 3.6 V
• Bandwidth: 6kHz - XY, 3.4kHz - Z
• Interface: I²C, SPI
• Mounting Type: Surface Mount
• 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
(pin 4 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
MMA7456L
5