Freescale has introduced three highly sensitive XYZ-axis MEMS-based accelerometers. Designers of portable electronics devices have to focus on ways to make portable devices more reliable and robust by incorporating motion-sensing technology to safeguard fragile electronic components. Freescale's sensor devices are designed to enable selectable sensitivity of 1,5g/6g for the MMA7360L, 3g/12g for the MMA7340L and 4g/16g for the MMA7330L. The ability to select various heightened multi-axis sensitivities is essential to detect fall, tilt, motion, position, shock and vibration for multiple portable applications and functions. Zero-g detection provides a logic interrupt signal when all three axes are at zero-g, eg, falling. The MMA73x0L analog output sensors are housed in a 3 x 5 x 1 mm LGA package. Analog output accelerometers enable a high degree of linearity for motion-sensing applications. Freescale plans to release digital output accelerometers later in the year.
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