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SM451R 数据表(PDF) 4 Page - Honeywell Solid State Electronics Center |
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SM451R 数据表(HTML) 4 Page - Honeywell Solid State Electronics Center |
4 / 8 page 4 Sensing and Productivity Solutions Magnetoresistive Sensor ICs Standard Power Series: SM351RT, SM451R, SM353RT, SM453R Figure 3. Alignment of the Magnet to the SOT-23 Package (SM351RT, SM353RT) Omnipolar Magnetoresistive Sensor IC Ideal alignment: The magnet is aligned in the same plane as the sensor IC. Offset alignment: The magnet is not aligned in the same plane as the sensor IC. SM351RT, SM353RT Sensor IC Magnet Magnet movement Magnet SM351RT, SM353RT Sensor IC Magnet movement Magnet The sensor IC detects the approaching magnet’s horizontal magnetic flux lines, turning the sensor IC to ON. The sensor IC stays ON as the magnet continues to approach. When the magnet is located directly over the sensor IC, all magnetic flux lines are now horizontal (see Figure 3.C). (Note: This alignment decreases the magnetic flux strength at the sensor IC.) The magnetic flux lines stay horizontal as the magnet approaches the sensor IC (see Figure 3.A). Dead zones may occur when the majority of the magnet’s magnetic flux lines become vertical as it approaches the sensor IC, turning the sensor IC ON, then OFF, then ON (see Figure 3.B). Perpendicular magnet approach to the sensor IC eliminates possible dead zones. Parallel magnet approach to the sensor IC may cause dead zones. Figure 3.A Figure 3.B Figure 3.C Magnet SM351RT, SM353RT Sensor IC Magnet movement end view top view |
类似零件编号 - SM451R |
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类似说明 - SM451R |
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