When the Sensor is moved along a magnetic scale with a N/S pole pitch of 5mm the two Wheatstone bridges generate differential sinusoidal output voltages (PSIN – NSIN) and (PCOS – NCOS) phase-shifted at 90°. One sine/cosine cycle averaged using a pair of N/S poles is thus produced for a pole width. The absolute magnetic field strength must be large enough for the sensor to go into saturation and for the magnetization of the iC-SM5L's resistor to assume the direction of the outer magnetic fields.
The amplitudes of the differential output voltages are largely independent of the magnetic field strength and thus not sensitive to changes in distance
iC-SM5L is resistant to strong magnetic fields and not sensitive to external homogenous magnetic fields.
Applications
- Linear position sensing
- Length measuring systems
Features
- Magneto resistive position sensor based on the AMR effect
- Strong field sensor for 5 mm N/S pole pitch
- High interpolation due to a sine signal with few harmonics
- Low saturation field strength
- High amplitude consistency with changes in distance
- Resistant to strong magnetic fields
- Not sensitive to external homogenous magnetic fields
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Supplier:
iC-Haus Corporation
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