Freescale’s MMA845xQ extremely low-power, 3-axis accelerometers offers a pin compatible family with a broad range of resolution (14-,12- and 10-bit) and embedded features for configurable accurate motion analysis.
Key Features :
• 14-, 12- and 10-bit digital output
• Low noise: less than 1 LSB RMS
• Low power mode: 4 micro amps
• Low voltage supply: 1.7 to 3.6 V
• Output data rate: 1.5 to 800 Hz
• Programmable 2 interrupt pins for 7 interrupt sources
• Embedded motion detection features:
- Freefall or motion detection: 1 channel
- Pulse detection: 1 channel
- Jolt detection: 1 channel
- Orientation (portrait/landscape) detection with hysteresis compensation
- Automatic output data rate change for auto-wake/sleep
- Self test
• Embedded FIFO buffer on the MMA8451QR1MMA8451QR1 14-bit accelerometer :
- 32 sample FIFO for 14-bit or 8-bit data
- High pass filtered data available per sample and through the FIFO
• Robust design, ability to survive shocks up to 10,000 g