Description | |
The AMR1320 is an omnipolar magnetic switch integrated with anisotropic magnetoresistance (AMR) magnetic sensor and CMOS circuitry, which is able to detect the change of magnetic field and output high and low voltage signals for high accuracy position detection. The AMR1320 series switch can detect magnetic fields from all directions in the plane, enabling 360° sensing. It provides 100 Hz sampling frequency, 1 μA power consumption, and a wide range of operating voltages from 1.8 V to 5.5 V. It has excellent thermal stability and immunity to stray field interference. The AMR1320 available in the compact SOT23-3 package. |  SOT23-3 |
Features and Benefits | |
 Anisotropic magnetoresistance (AMR) technology | Low power consumption at 1 μA |
| Fast internal switching frequency at 100 Hz | Omnipolar operation |
| Wide range supply voltages: 1.8 V to 5.5V | High sensitivity |
| CMOS output | Excellent temperature stability |
| High tolerance to external magnetic field interference | RoHS & REACH compliant |
Applications | |
| Utility meters: water, gas, and heat meters | Proximity switches |
| Speed sensing | Linear and rotation position sensing |
| Wake-up switches | |
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