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eCompass combines accelerometer, magnetometer to offer 9DoF

Posted: 17 Oct 2014 ?? ?Print Version ?Bookmark and Share

Keywords:MiraMEMS? eCompass? accelerometer? magnetometer? sensor?

MiraMEMS has introduced what it says is the world's smallest eCompass that integrates a 3-axis accelerometer and 3-axis magnetometer. The device is pin to pin compatible with the g-sensor family and offers a gyroscope feature with a supported software.

With the MiraMEMS Xmotion software enabled, the dc213/dc312 eCompass products provide nine degrees of freedom (DoF) with soft gyroscope while they are able to help smartphone and wearable device customers enjoy this feature under a limited cost budget.

The dc213 is available in the 2 x 2 x 1.1mm LGA package while the dc312 offers a 3 x 3 x 1mm footprint. Both are pin to pin compatible with the g-sensor family for easy upgrading to eCompass with no hardware change needed. MiraMEMS' 6-axis eCompass combo sensor claims to provide the same performance as discrete sensors but in a limited space, which can significantly reduce customer's cost and PCB area. Incorporated with the Xmotion software solution, middle to low-end smartphones can also run sophisticated 9DoF motion games, without suffering the high cost and power consumption of gyro hardware.

The devices support standard I2C interface and feature dedicated programmable interrupt. The accelerometer boasts 14bits of resolution and ±2g, ±4g, ±8g, ±16g scalable range. The magnetometer on the other hand offers ±48Gauss wide range and 16bits of resolution.

The MiraMEMS 6 axis eCompass is ready for production, and pricing will start at $0.7 over 1,000 pieces.

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