D3172MMA7361LC Freescale Semiconductor, D3172MMA7361LC Datasheet - Page 20

Manufacturer Part Number

D3172MMA7361LC

Description

Acceleration Sensor Development Tools XYZ-AXIS DIGITAL ACCEL D

Manufacturer

Freescale Semiconductor

Datasheets

1.D3172MMA7361LC.pdf (2 pages)

2.D3172MMA7361LC.pdf (35 pages)

Acceleration

1.5 g

Sensing Axis

Triple Axis

Output Type

Digital

Interface Type

I2C, SPI

Operating Voltage

2 V to 3.4 V

Operating Current

47 uA

Sensitivity

64 LSB/g

For Use With/related Products

MMA7660FC

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

NOTES:

MMA7455L

Use a 0.1 μF and a 10 μF capacitor on AV

Physical coupling distance of the accelerometer to the microcontroller should be minimal.

PCB layout of power and ground should not couple power supply noise.

Accelerometer and microcontroller should not be a high current path.

Any external power supply switching frequency should be selected such that they do not interfere with the internal

accelerometer sampling frequency (sampling frequency). This will prevent aliasing errors.

Physical distance of the two GND pins (Pin 2 and Pin 5) tied together should be at the shortest distance.

Figure 16. SPI Connection to MCU

to and DV

to decouple the power source.

Freescale Semiconductor

Sensors