| 전자부품 데이터시트 검색엔진 |
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AS5030ATST 데이터시트(PDF) 6 Page - ams AG |
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AS5030ATST 데이터시트(HTML) 6 Page - ams AG |
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6 / 33 page ![]() AS5030 8-bit Programmable Magnetic Rotary Encoder Rev. 1.8 www.austriamicrosystems.com Page 6 of 33 4.4 Magnet Specifications Recommended magnet: NdFeB 35H BR = 12.000 Gauss, Ø6mm x 2.5mm Parameter Symbol Min Typ Max Unit Note Magnet diameter MD 6 mm diametrically magnetized Magnet thickness MT 2.5 mm Magnetic Input Range Bi 20 80 mT at chip surface, on a radius of 1mm Magnet rotation speed vi 30,000 rpm to maintain locked state Magnetic field high detection Bmax 52 Tamb=25°C, AGC@lower limit, 1 sigma = 2.5mT Magnetic field low detection Bmin 23 mT Tamb=25°C, AGC@upper limit, 1 sigma = 1.5mT Hall Array radius 1 mm over x/y chip center vertical distance of magnet 0.5 1 1.8 mm Recommended distance; operation outside this range is possible, accuracy may be reduced 0.25 from diagonal package center Horizontal magnet displacement radius 0.5 mm from diagonal IC center -0.12 NdFeB Material Recommended magnet material and temperature drift tkM -0.035 %/K SmCo Material 4.5 Magnetic Field Alarm Limits Parameter Symbol Min Typ Max Unit Note Magnetic field too low alarm limit AGCFF 20.3 23.6 mT AGC = FFH untrimmed, 25°C, 1sigma Magnetic field too high alarm limit AGC0 44.5 52.2 mT AGC = 0H untrimmed, 25°C, 1sigma Magnetic field alarm limit trim range 100 121 % see 4.6 Temperature coefficient of alarm ranges1) 0.052 %/K Sensitivity increases with temperature which partly compensates the temperature coefficient of the magnet 4.6 Hall Element sensitivity options Parameter Symbol Min Typ Max Unit Note 100 sens = 00 (default; low sensitivity; see 5.2.4) 106 sens = 01 113 sens = 10 Hall Element sensitivity setting sens 121 % sens = 11 (high sensitivity) |
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