NXP Semiconductors MMA8451QR1 QFN-16 3-Axis Accelerometer Sensor
The NXP Semiconductors MMA8451QR1 is a low-power, 3-axis MEMS accelerometer with 14-bit resolution, featuring an I2C digital interface for easy integration with microcontrollers like Arduino, Raspberry Pi, and ESP32. It includes configurable interrupt pins and embedded motion detection functions for efficient, event-driven operation.
Features
- 14-bit resolution 3-axis capacitive MEMS accelerometer
- Low-power operation with 1.95V to 3.6V supply voltage
- Standard I2C digital interface for simple system integration
- Two configurable interrupt pins for seven interrupt sources
- Embedded functions for orientation, motion, and jolt detection
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The MMA8451Q is a smart, low-power, three-axis capacitive MEMS accelerometer offering 14-bit resolution. It features flexible user-programmable options and configurable interrupt pins, enabling event-driven operation that minimizes host processor polling and reduces overall system power consumption. The device provides access to both low-pass and high-pass filtered data, which simplifies algorithms for jolt detection and rapid transition analysis.
Embedded interrupt functions allow the sensor to monitor specific motion events while remaining in a low-power sleep mode during periods of inactivity, making it ideal for battery-powered applications. The accelerometer is housed in a compact QFN-16 package and is designed for reliable performance in consumer electronics, industrial monitoring, and IoT devices.
Additional Information
| Weight | 0.035 kg |
|---|---|
| Dimensions | 9 × 12 × 2 cm |













