MMA7455LR1 – FREESCALE

The MMA7455LR1 is a low-power, three-axis accelerometer manufactured by Freescale Semiconductor, now NXP. This device provides acceleration sensing in the ±2g to ±8g range, selectable via internal registers. It communicates digitally using either an I2C or SPI interface, offering flexibility in system integration. The sensor outputs 8-bit resolution acceleration data for each axis. Housed in a 14-lead LGA (Land Grid Array) package, the MMA7455LR1 features a compact footprint suitable for space-constrained applications. It incorporates self-test functionality to verify sensor integrity. The device operates from a supply voltage range of 2.4V to 3.6V and includes programmable interrupt capabilities based on acceleration thresholds, enabling event-driven system behavior and reduced power consumption through host processor sleep modes.