MMA8491Q Overview
Description
The MMA8491Q is a low voltage, 3-axis low-g accelerometer housed in a 3 mm x 3 mm QFN package. The device can accommodate two accelerometer configurations, acting as either a 45° tilt sensor or a digital output accelerometer with I2C bus.
Key Features
- Extreme low power, 400 nA per Hz
- Ultra-fast data output time, ~700 μs
- VDD supply range of 1.95 V to 3.6 V
- 3 mm x 3 mm, 0.65 mm pitch with visual solder joint inspection
- ±8 g full-scale range
- 14-bit digital output, 1 mg/LSB sensitivity
- Output Data Rate (ODR), implementation based from < 1 Hz to 800 Hz1
- I2C digital interface
- 3-axis, 45° tilt outputs
