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LINS-LMG918 Single axis high-precision MEMS gyroscope

The LINS-LMG918 gyroscope sensor is an angular velocity sensor. As a quartz electronic gyroscope chip, it has the characteristics of good temperature characteristics, low power consumption, low cost, and good stability.

关键词:

Category:

MEMS Gyroscope

key word: LINS-LMG918 Single axis high-precision MEMS gyroscope

E-mail:

fox.zhao@lins-tech.com

hui.yang@lins-tech.com

xi.zhang@lins-tech.com

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Details

Main features

- Rate range ± 450 °/s

- High bandwidth 500Hz

- Compatible with SPI 4-wire

- Built in temperature sensor

- Power supply range: 2.7 V to 3.6 V

- Small size and light weight

- Temperature compensation range: -40 ° C to+85 ° C

- Error calibration for internal bias temperature compensation, linearity, and cross axis

Application field

- Attitude control in the industrial field

- Automated machinery

- Robot control

- Stability and control of the platform

- Automotive instrumentation

We provide low-cost and highly reliable sensing solutions for various applications, making it the preferred gyroscope module with ultra-low drift, high resolution and accuracy, low power consumption, and small size.

1. Technical parameter indicators

Table 1. Gyro Sensor Characteristics

(VDDM = 2.7 V to 3.6V, VDDI = 1.65 V to 3.6 V, GND = 0 V, TOPR = -40 °C to +85 °C)

Parameter	Condition	Min.	Type.	Max.	Unit
Scale factor	16bit, FS = 1x setting		264	-	LSB/(°/s)
	16bit, FS = 4x setting		66	-
	24bit, FS = 1x setting		67584
	24bit, FS = 4x setting		16896
Scale factor tolerance	Ta = +25 °C	-2	-	+2	%
Scale factor tolerance	Ta = +25 °C The value includes after the shipment.	-4	-	+4	%
Scale factor variation over temperature	VDDM = 3 V, Ta=25 °C reference	-3	-	+3	%
Bias	Ta = +25 °C	-	0	-	LSB
Bias tolerance	Ta = +25 °C	-0.2	-	+0.2	°/s
Bias tolerance	Ta = +25 °C The value includes after the shipment.	-0.5	-	+0.5	°/s
Bias variation over temperature	VDDM = 3 V, Ta = +25 °C reference	-1	-	+1	°/s
Rate range	FS = 1x setting	-115		+115	°/s
Rate range	FS = 4x setting	-450		+450	°/s
Non-linearity		-0.25	-	+0.25	%FS
Cross-axis sensitivity	Ta = +25 °C	-5	-	+5	%
Current consumption		-	1150	1400	μA
Sleep current		-	1	30	μA
Noise density		-	0.0015	-	(°/s)/√Hz
Bandwidth		500			Hz

2. Detection Axis and Output Polarity

This product detects an angular rate of a rotational movement. The correlation between a detecting axis of the angular rate and an output polarity is shown in Figure 1

LINS-LMG918