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MMA8491Q Datasheet 3-Axis Multifunction Digital Accelerometer

Manufacturer: Freescale Semiconductor (now NXP Semiconductors)

Overview: Freescale Semiconductor Data Sheet: Technical Data Document Number: MMA8491Q Rev 2.0, 11/2012 Xtrinsic MMA8491Q 3-Axis Multifunction Digital Accelerometer 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. • • As a 45° Tilt Sensor, the MMA8491Q device offers extreme ease of implementation by using a single line output per axis. As a digital output accelerometer, the 14-bit ±8g accelerometer data can be read from the device with a 1 mg/LSB sensitivity. MMA8491Q Bottom View The extreme low power capabilities of the MMA8491Q will reduce the low data rate current consumption to less than 400 nA per Hz.

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Key Features

  • Extreme low power, 400 nA per Hz Ultra-fast data output time, ~700 μs 1.95V to 3.6V VDD supply range 3 mm x 3 mm, 0.65 mm pitch with visual solder joint inspection ±8g full-scale range 14-bit digital output, 1 mg/LSB sensitivity Output Data Rate (ODR), implementation based from < 1 Hz to 800 Hz I2C digital interface 3-axis, 45° tilt outputs Smart grid: tamper detect A.

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Brand Logo Part Number Description Manufacturer
NXP Logo MMA8491Q 3-Axis Multifunction Digital Accelerometer NXP

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