Gleichmann Electronics' SD746 combo sensor from SensorDynamics has three measurement axes each for angular rate and acceleration as
well as a wide measurement range of up to ┬▒2048┬░/s for angular rate and ┬▒8 g
The inertial sensor is 6 x 6 x 1.2
mm3 and the maximum offset error at room temperature is ┬▒5┬░/s for
the gyroscope signal and ┬▒0.1g for the accelerometer signal. Sensitivity error
at room temperature is ┬▒2 percent for the gyroscope and acceleration signal,
respectively. Additional features of the SD746 include a special power-off mode in which no power is consumed,
but the SPI interface remains high-impedance and a continuously running self-test.
The micromechanical combo sensor
is provided in a compact QFN40 package and is designed for an operating voltage
of 2.55 to 3.6 V and an operating temperature range of -40 to +85C. The typical
power consumption is 6.5 mA.
The SD746 combo sensor is suitable for use both in battery-powered
consumer applications and sophisticated industrial instrumentation and control
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