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MMA8450Q
Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer (Update 23/05/2012)
Part No.:  MMA8450Q
Date added::  23/05/2012
Brand:  Freescale
Origin:  Genuine
Package:  QFN(16)
Category:  3-axis Xtrinsic Accelerometer
Pricing: 
Quantity (pcs)1 - 9 10 - 24 25 - 49 50 - 99 100+
Unit price (USD) 6.25 6.00 5.90 5.75 5.50
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In stock:  29 pcs
Views:  5950
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MMA8450Q Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer  DataSheet

New Technology: Cutting edge technology for the newest designs

Overview

The MMA8450Q accelerometer is an intelligent low power and noise, 3 x 3 x 1 mm capacitive micromachined accelerometer featuring 12 bits of resolution. This accelerometer is packed with many flexible user programmable embedded functions that are available with two configurable interrupt pins. MMA8450Q has user selectable full scales of ±2g/±4g/±8g and it is capable of measuring accelerations with an Output Data Rate (ODR( of 400 Hz, 200 Hz, 100 Hz, 50 Hz, 12.5 Hz, and 1.563 Hz. These output data rates correspond to sample intervals from 2.5 ms to 640 ms. The device can be configured to generate inertial wake-up interrupt signals when a programmable acceleration threshold is crossed on any one of the three sensed axes. Acceleration and time thresholds of interrupt generators are programmable by the end user.MMA8450Q is available in a plastic QFN package and it is guaranteed to operate over the extended temperature range of -40°C to +85°C.

Features
  • 1.71 V to 1.89 V supply voltage
  • ±2g/±4g/±8g dynamically selectable full-scale
  • Output Data Rate (ODR) from 400 Hz to 1.563 Hz
  • 400 µg/vHz noise at normal mode ODR = 400 Hz
  • 12-bit digital output
  • I2C digital output interface (operates up to 400 kHz Fast Mode)
  • Programmable 2 interrupt pins for 8 interrupt sources
  • Embedded 4 channels of motion detection
    • Freefall or motion detection: 2 channels
    • Pulse Detection: 1 channel
    • Transient Detection: 1 channel
  • Orientation (Portrait/Landscape) detection with hysteresis compensation
  • Automatic ODR change for auto-wake and return-to-sleep
  • 32 sample FIFO
  • Self-Test
  • 10,000 g high shock survivability
  • RoHS compliant
Specifications
Manufacturer Freescale Semiconductor
Product Category Sensors
Family Accelerometers
RoHS Yes
Sensing Axis X, Y, Z
Acceleration 2 g, 4 g, 8 g
Sensitivity 0.976 mg/digit, 1.953 mg/digit, 3.906 mg/digit
Package / Case QFN-16
Output Type Digital
Digital Output - Number of Bits 12 bit
Supply Voltage 1.71 V ~ 1.89 V
Supply Current 3 uA
Shutdown Yes
Operating Temperature -40°C ~ +85°C
Packaging Tray
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