Inertial measurement unit

25 January 2012 Analogue, Mixed Signal, LSI

Analog Devices’ new ADIS16488 is a tactical grade, 10-degree-of-freedom (DoF) sensor and integrates a tri-axis gyroscope, tri-axis accelerometer, tri-axis magnetometer and a pressure sensor into a single package. The MEMS IMU (inertial measurement unit) provides a highly stable and integrated sensor suite, supporting mission critical requirements in high-performance navigation and stabilisation applications.

Beyond its tactical grade bias stability (below 10°/hr), the ADIS16488 is highly competitive in terms of its critical specifications of G-effect, temperature coefficient and bandwidth, in addition to outperforming legacy military grade IMUs on vibration rectification and linearity. Operation is fully autonomous, including all embedded compensations, with valid data available from the SPI interface 500 ms after applying power. With all calibration done at the factory, and with an ADI Blackfin processor-powered configurable interface for tuning embedded filtering and other diagnostics, a major source of design integration time and risk is virtually eliminated.

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