LandMark20 IMU
低噪音硅MEMS数字IMU
•低陀螺噪音0.028°/ses/√Hz
•全温度补偿的偏移和比例因子
•补偿的未对准和g－灵敏度<0.03°/sec/g typical
•运行陀螺偏移 30°/hour 1σ
•低功率 ½ watt typical
•轻重量 113 grams
•小体积 <67.5 cm3 /4.1 in3
•低电压 ＋3.0V to 4.2V(single sided power)
•带宽 100Hz (用户可选)
•带宽滤波能力
•RS485输出 200Hz(user selectable)
•震动隔离
•精确校准
•3个内置的温度传感器
•自测试
•冲击保护
•使用寿命长
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参数 |
速率轴 |
加速度轴 |
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范围 |
±75°/sec或者±150°/sec |
±300°/sec |
1.7g’s |
10g’s |
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偏移（全温） |
<0.1°/sec typical |
<3mg typical |
<10mg typical |
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偏移 （稳定运行模式） |
30°/hour 1σ |
<0.5mg typical |
<2mg typical |
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比例因子误差％ |
≤0.5%(over temperature) |
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分辨率 |
0.01°/sec |
0.01°/sec |
0.3mg |
1mg |
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噪音 |
0.028°/ses/√Hz |
0.035°/ses/√Hz |
0.07mg/√Hz |
0.5mg/√Hz |
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校准 |
1 mrad typical |
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G-灵敏度 |
<0.03°/sec/g typical |
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自测试开 |
△+50 ±30°/sec |
△+54 ±40°/sec |
△ >+1.7g |
△+7 =1.3g |
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Logic 1=3V to 5V at Pin 9 |
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温度范围 |
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运行时 |
-40℃ to +85℃ |
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非运行时 |
-55℃ to +85℃ |
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更新速率 |
200Hz or 100Hz(user selectable) |
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温度传感器 |
3个内置温度传感器 |
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启动时间 |
<1 sec |
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输入电压 |
+3.0V to 4.2V Input (single sided) |
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功率消耗 |
450 mW at 3.3V Typical |
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550 mW at 3.3V Maximum |
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大小 美制 |
1.965×1.77×1.18=4.1 in3 |
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公制 |
5×4.5×3=67.5 cm3 |
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重量 |
113 grams |
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安装 |
4ea No.8 or M4 screws |
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冲击 |
500g’s ½ sine 30 msec powered |
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震动 |
6gRMS(10g accelerometers) |
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MTBF |
No inherent wear out modes for long life |
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