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Three-axis MEMS Inertial Measurement Unit

Three-axis MEMS Inertial Measurement Unit

Introduction:
Three-axis digital gyroscope ±400º/s;
measuring dynamic range: bias stability(Allan variance@25℃):0.5º/h;
random walk:0.15º/√h;
Bias sensitivity:0.15º/√h;
Zero bias error of gyroscope in full temperature range(-45℃~60℃,The root mean square value of the zero error...
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Product features
1)Three-axis digital gyroscope:

±400º/s measuring dynamic range;

bias stability(Allan variance@25℃):0.5º/h;

random walk:0.15º/√h;

Bias sensitivity:0.15º/√h;

Zero bias error of gyroscope in full temperature range(-45℃~60℃,The root mean square value of the zero error of the fixed temperature point relative to the total temperature):≤30º/h.

Three-axis MEMS Inertial Measurement Unit

2)Three-axis digital accelerometer:

a) ±30g measuring dynamic range:

b)bias stability(Allan @25℃): 0.15mg;

c)random walk:0.21m/s√h;

d)unpitched sound:270ug/√Hz;

e) Zero deviation of acceleration in full temperature range(-45℃~60℃,heterothermΔT ≤ ±1°C/min,root-mean-square value): ≤6mg。


3)high reliability:MTBF>20000h;

4) All temperature range (-45℃~60℃)guaranteed precision:Built-in high performance temperature calibration and compensation algorithm;

5) support uav application: high vibration environment applicable to uav;

6) support stable platform application: full parameter measurement and measurement bandwidth>100Hz;

7)data updating rate≥1KHz.


Product Specifications

Gyro

parameter

Test Conditions

Min

Typical value

Max

unit

Dynamic measurement range



±400


º/s

Bias stability

Allan variance


0.5


º/h

Zero error in the full temperature range

difference

-45  ° C ~ 60 ° C fixed temperature point

Mean square of zero error for full  temperature

Root  value


10


°/h

Random walk



0.15


º/√h

Zero bias repeatability

Life cycle and full temperature range


0.01


º/s

Offset acceleration sensitivity



2


º/h /g

Scale factor nonlinearity

FS=400 º/s


100


ppm

bandwidth



250


Hz

Accelerometer

Dynamic measurement range



±30


g

Bias stability

Allan variance


0.15


mg

Zero error in the  full temperature range

difference

-45°C~60°C,  variable temperature ΔT ≤

±1°C/min,  rms value


6


mg

Random walk



0.21


m/s/√h

Zero bias repeatability

Life cycle and full temperature range


10


mg



parameter

Test Conditions

Min

Typical value

Max

unit


Scale factor repeatability

Life cycle and full  temperature range

1


%

Scale factor nonlinearity

FS=10g


300


ppm

bandwidth



100


Hz


Electrical  characteristics

Voltage

DC

5.0



V

Power consumption



3


W

Ripple

P-P



100

mV

Use environment

Operating temperature


-45


65

storage temperature


-60


85

vibration

10~2000Hz,

6.06g



Shock



5000g,0.1ms



reliability

MTBF



20000


h

Continuous working time



120


h


Electrical Interface

The electrical connector type is J30J-15ZKN-J, and the specific assignment of the contacts is shown in Table 1 below

Inertial Measurement Unit


Table 1 J30J-15ZKN-J contact distribution

Node number

definition

use

10

Rx+

RS422

2

Rx-

1

Tx-

9

Tx+

8

+5V

Power supply

15

GND

Power ground


Structure size and coordinate definition

MEMS Inertial Measurement Unit



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    +86 29 88767352 
    info@north-star-tech.com
    2932654651
    18992836912
    20A, Ruixin Building, No. 25 Gaoxin Road, Xi'an

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