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AMR3001 Datasheet(PDF) 1 Page - American Electronic Components, inc |
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AMR3001 Datasheet(HTML) 1 Page - American Electronic Components, inc |
1 / 4 page ![]() AMRAngle Sensor AMR3001 Multidimension Technology co. Ltd. 1 of 4 www.dowaytech.com MDT AMR3001 No.7 Guangdong Road, Zhangjiagang Free Trade Zone, Jiangsu, 215634, P.R.China Ver. A AMR3001 AMR Angle Sensor Features and Benefits Anisotropy of magnetoresistance (AMR) Technology Compatible with Wide Range of Supply Voltages Wide Airgap Tolerance Excellent Thermal Stability Very Low Hysteresis Ultrasmall Package Applications Rotary Position Sensors Rotary Encoders Contactless Potentiometers Valve Position Sensors Knob Position Sensors General Description The output voltage of the AMR3001 TMR angle sensor is proportional to the sine or cosine of the angle of a magnetic field applied parallel to the surface of the sensor, which can be provided by a small magnet positioned above the device. The AMR3001 includes two Wheatstone bridges, which can be configured to output sine and cosine functions respectively. Each bridge includes four TMR sensor elements in a push-pull arrangement to produce a best-in-class peak-to-peak signal as large as 0.75% of the supply voltage. Additionally, the unique TMR Wheatstone bridge technology accurately compensates the output against changes in ambient temperature. This sensor is assembled in an ultra small SOP8 package Operation A small magnet, placed above the AMR3001, can be used to provide a magnetic field in any desired orientation parallel to the plane of the AMR3001 package. The following chart show a typical sensor output as a function of the angle of the applied magnetic field using a 6 mm diameter, 2.5 mm thick magnet and at 1 V supply. |
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