ADIS16477-3BMLZ

Series:	--
Part Status:	Active
Sensor Type:	Accelerometer, Gyroscope, 3 Axis
Output Type:	SPI
Operating Temperature:	-40°C ~ 105°C
Base Part Number:	ADIS16477

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Motion Sensors - IMUs (Inertial Measurement Units)

An IMU (Inertial Measurement Unit) is a type of motion sensing device providing angular rate, acceleration, and other sensory input. Often, IMUs are used to provide input into autonomous navigation systems such as robotic platforms. The ADIS16477-3BMLZ is an advanced 6-degrees-of-freedom inertial measurement unit, offering superior accuracy over its predecessor, the ADIS16477-2BMLZ.

Design and Features

The ADIS16477-3BMLZ is designed to effectively and reliably measure linear acceleration 0 to +0.75g and angular rate 0 to +500°/s in a small, lightweight package measuring only 22mm x 22mm x 15.6mm. It is also capable of superior accuracy of up to ±0.035 degrees/sec in angular rate sensing and ±0.011 g in linear acceleration sensing. This enables it to be used in a variety of applications with improved navigation capabilities.

Application Fields

The ADIS16477-3BMLZ is ideally suited for use in small, unmanned aerial vehicles (UAVs) and other space-constrained applications. Its superior accuracy makes it an excellent choice for navigation in the air and aeronautical guidance systems. It is also suitable for use in robotics, industrial automation, ground-based navigation systems, industrial control systems, and other applications.

Working Principle

The ADIS16477-3BMLZ senses motion using an array of three single-axis accelerometers and three single-axis rate gyros arranged in triads. Each sensor is configured so that it measures the three components of each motion along the axis, and the resulting magnitude of motion is reported in terms of an angular rate and acceleration.The main working principle of the IMU is based on the fact that when a body moves in a certain direction, its linear acceleration will be sensed by the accelerometer, while its angular velocity will be measured by the gyro. These measurements are then integrated to calculate the orientation of the body in space, and the resulting data is used as an input for navigational systems.

Data Interface

The ADIS16477-3BMLZ features a high-speed digital SPI or I2C bus. These protocols are likely already being used by the as part of the existing navigation system, which offers an advantage when integrating ADIS16477-3BMLZ into existing systems. The device also can provide synchronization of its internal and external clocks via the I2C interface, and supports a number of digital filters.

Conclusion

The ADIS16477-3BMLZ is a highly accurate, space-constrained FMU suitable for a variety of precision motion sensing applications. This advanced IMU is designed for use in unmanned aerial vehicles, robotics, ground-based navigation systems, and more. It combines three single-axis accelerometer and three single-axis rate gyros to accurately measure linear acceleration and angular rate. It also features a high-speed digital data interface, synchronization of internal and external clocks, and a number of digital filtering options. This makes the ADIS16477-3BMLZ an ideal inertial measurement unit for a multitude of application fields.

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