LandMark20 IMU
低噪音硅MEMS數字IMU
•低陀螺噪音0.028°/ses/√Hz
•全溫度補償的偏移和比例因子
•補償的未對準和g－靈敏度<0.03°/sec/g typical
•運行陀螺偏移 30°/hour 1σ
•低功率 ½ watt typical
•輕重量 113 grams
•小體積 <67.5 cm3 /4.1 in3
•低電壓 ＋3.0V to 4.2V(single sided power)
•帶寬 100Hz (用戶可選)
•帶寬濾波能力
•RS485輸出 200Hz(user selectable)
•震動隔離
•精確校準
•3個內置的溫度傳感器
•自測試
•沖擊保護
•使用壽命長
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參數 |
速率軸 |
加速度軸 |
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范圍 |
±75°/sec或者±150°/sec |
±300°/sec |
1.7g’s |
10g’s |
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偏移（全溫） |
<0.1°/sec typical |
<3mg typical |
<10mg typical |
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偏移 （穩定運行模式） |
30°/hour 1σ |
<0.5mg typical |
<2mg typical |
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比例因子誤差％ |
≤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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校準 |
1 mrad typical |
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G-靈敏度 |
<0.03°/sec/g typical |
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自測試開 |
△+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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溫度范圍 |
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運行時 |
-40℃ to +85℃ |
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非運行時 |
-55℃ to +85℃ |
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更新速率 |
200Hz or 100Hz(user selectable) |
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溫度傳感器 |
3個內置溫度傳感器 |
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啟動時間 |
<1 sec |
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輸入電壓 |
+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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安裝 |
4ea No.8 or M4 screws |
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沖擊 |
500g’s ½ sine 30 msec powered |
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震動 |
6gRMS(10g accelerometers) |
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MTBF |
No inherent wear out modes for long life |
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