MMA8451QR1

IC, DIGITAL ACCELERATION SENSOR, ±2G / ±4G / ±8G, 14BIT, QFN-16; Acceleration Range:± 2g, ± 4g, ± 8g; No. of Axes:3; IC Interface Type:I2C; Sensor Case Style:QFN; No. of Pins:16; Supply Voltage Range:1.95V to 3.6V ;RoHS Compliant: Yes

Key Features

• 1.95 to a 3.6-volt supply voltage
• 1.6 to 3.6-volt interface voltage
• ±2g/±4g/±8g dynamically selectable full-scale
• Output data rates (ODR) from 1.56 Hz to 800 Hz
• 99 μg/√Hz noise
• 14-bit and 8-bit digital output
• I²C digital output interface (operates to 2.25 MHz with 4.7 kΩ pull-ups)
• Two programmable interrupt pins for seven interrupt sources
• Three embedded channels of motion detection
  • Freefall or motion detection: one channel
  • Pulse detection: one channel
  • Jolt detection: one channel
• Freefall or motion detection: one channel
• Pulse detection: one channel
• Jolt detection: one channel
• Orientation (portrait/landscape) detection with programmable hysteresis
• Automatic ODR change for auto-wake and return to sleep
• 32 sample FIFO
• High pass filter data available per sample and through the FIFO
• Self-test
• RoHS compliant
• Current consumption: 6 μA–165 μA
• This product is included in NXP.s product longevity program, with assured supply for a minimum of 10 years after launch

Application

• Vital Signs Monitors