高性能惯性测量单元 LINS688B

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高性能惯性测量单元 LINS688B

主页特点

- 三轴数字陀螺仪，动态范围 ±450°/sec

- 三轴数字加速度计，±20 克

- 三轴数字磁力计，±8 高斯

- 数字压力传感器，300 毫巴至 1100 毫巴

- 高带宽 400Hz

- 出厂前已校准灵敏度、偏置和轴向校准

- 校准温度范围：-40°C至+85°C

- 兼容 SPI 的串行接口

- 嵌入式温度传感器

- 单电源工作：3.0 V 至 3.6 V

- 2000 g 冲击生存能力

- 体积小、重量轻

- 与 ADIS16488A 完全兼容

类别

Specification

主页特点

- 三轴数字陀螺仪，动态范围 ±450°/sec

– Accelerometer, ±20g

– Digital magnetometer, ±8 gauss

- 数字压力传感器，300 毫巴至 1100 毫巴

- 高带宽 400Hz

- 出厂前已校准灵敏度、偏置和轴向校准

- 校准温度范围：-40°C至+85°C

- 兼容 SPI 的串行接口

- 嵌入式温度传感器

- 单电源工作：3.0 V 至 3.6 V

- 2000 g 冲击生存能力

- 体积小、重量轻

- 与 ADIS16488A 完全兼容

Applications OF the Inertial Measurement Unit

– Anti-vibration, attitude control for industrial applications

– Autonomous machines

– Robotics control

– Platform stabilization and control

– Instrumentation

Description OF the Inertial Measurement Unit

惯性测量单元 LINS688B is an inertial measurement device with small volume and high overload resistance. Gyro bias in-run stability is 1.5°/ h (Allan), and accelerometer bias in-run stability is 20ug (Allan). It can be used for precise navigation, control and dynamic measurement of carrier. This series of products use high-precision MEMS inertial devices, which have high reliability and high firmness, and can still accurately measure the angular velocity and acceleration information of the moving carrier in harsh environments.

LINS688B has a built-in three-axis gyro and three-axis accelerometer for measuring the three-axis angular rate and three-axis acceleration of the carrier. The gyro and accelerometer data with error compensation (including temperature compensation, installation misalignment angle compensation, nonlinear compensation, etc.) are output through the serial port according to the agreed communication protocol, and the three-axis magnetic sensor and air pressure sensor are built in.

Technical Specifications OF Inertial measurement unit

Parameter		Test Condition	Min	Nominal	Max	单位
Gyroscope	Range		-450		+450	deg/s
	Bias instability	Allan Variance	1.0	1.5	2.0	deg/h
	Angle Random walk			0.065		deg/√h
	Resolution			0.007		deg/s
	Nonlinearity	FS = 450 °/s		0.1		%FS
	Bandwith			400		Hz
Accelerometer	Range		-20		+20	g
	Bias instability			20		μg
	Velocity Random walk			0.02		m/s/√h
	Resolution			0.02		mg
	Nonlinearity			0.1		%FS
	Bandwith			480		Hz
Magnetometer	Range		-8		+8	gauss
	Resolution			0.2		mg
	Noise density			50		μg
Barometer	Range		300		1100	mbar
Barometer	Tolerance			4.5		mbar
COM interface	SPI	Baud rate			<10MHz	MHz
Electrical 特征	电压		3.0	3.3	3.6	V
	Power Consumption			0.5		W
	Ripple	P-P			100	mV
Structural 特征	Dimension		44.0 × 47.0 ×14.0			mm
Structural 特征	Weight		50			g
Use environment	Working Temperature		-40		75
	Storage Temperature		-45		85
	振动		10〜2000Hz, 6g
	冲击		30g, 11ms
	Overload	(Half-sine 0.5msec)	1000g
Criminality	MTBF			20000		h
Criminality	Continuous working time			120		h

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