9軸運動感測模組(加速度計+磁力計+陀螺儀)
簡介:
9軸運動感測模組採用最新MPU-9250感測器，擁有三軸加速度、三軸陀螺儀、三軸磁力計。應用如虛擬實境、增強現實、影像穩定技術、人機界面和機器人。
特色與規格:
Gyroscope Features:
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Digital-output X-, Y-, and Z-Axis angular rate sensors (gyroscopes) with a user-programmable full-scale range of ±250, ±500, ±1000, and ±2000°/sec and integrated 16-bit ADCs
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Digitally-programmable low-pass filter
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Gyroscope operating current: 3.2mA
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Sleep mode current: 8μA
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Factory calibrated sensitivity scale factor
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Self-test
Accelerometer Features:
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Digital-output triple-axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g and integrated 16-bit ADCs
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Accelerometer normal operating current: 450μA
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Low power accelerometer mode current: 8.4μA at 0.98Hz, 19.8μA at 31.25Hz
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Sleep mode current: 8μA
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User-programmable interrupts
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Wake-on-interrupt for low power operation of applications processor
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Self-test
Magnetometer Features:
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3-axis silicon monolithic Hall-effect magnetic sensor with magnetic concentrator
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Wide dynamic measurement range and high resolution with lower current consumption.
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Output data resolution of 14 bit (0.6μT/LSB) or 16 bit (15μT/LSB)
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Full scale measurement range is ±4800μT
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Magnetometer normal operating current: 280μA at 8Hz repetition rate
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Self-test function
Additional Features:
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Auxiliary master I2C bus for reading data from external sensors (e.g. pressure sensor)
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3.5mA operating current when all 9 motion sensing axes and the DMP are enabled
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VDD supply voltage range of 2.4 – 3.6V
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VDDIO reference voltage for auxiliary I2C devices
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Minimal cross-axis sensitivity between the accelerometer, gyroscope and magnetometer axes
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512 byte FIFO buffer enables the applications processor to read the data in bursts
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Digital-output temperature sensor
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User-programmable digital filters for gyroscope, accelerometer, and temp sensor
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10,000 g shock tolerant
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400kHz Fast Mode I2C for communicating with all registers
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1MHz SPI serial interface for communicating with all registers
