Description | |
TMR1302H is an omnipolar magnetic switch integrated the tunnel magnetoresistance (TMR) 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. Unlike Hall/AMR sensors, TMR sensors with extremely high resistance values allows TMR1302H to achieve the supply current as low as 1.5 μA while operating in the full-time power supply mode, and maintaining the response frequency of the magnetic signal is greater than 1 kHz. Therefore, TMR1302H can provide true continuous detection of magnetic field signals, avoiding sampling errors from the traditional time-sharing power supply mode. TMR1302H allows a wide range of operating supply voltages from 1.8 V to 5.5 V with excellent temperature characteristics, and can meet the requirements of most applications. TMR1302H is available in two compact SOT23-3 and TO92S packages. |  SOT23-3 TO92S |
Features and Benefits | |
 Tunneling magnetoresistance (TMR) technology | High sensitivity |
| High frequency response: >1 kHz | Omnipolar operation |
| Wide range supply voltages: 1.8 V to 5.5 V | CMOS push-pull output |
| Low power consumption: supply current 1.5 μA | 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 |
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