TMR1222 sensor equivalent, microampere high frequency response dual-axis bipolar magnetic switch sensor.
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* Tunneling magnetoresistance (TMR) technology
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* Low power consumption: supply current 1.5 μA
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* High frequency response: typ. 1 kHz
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* Utility meters: water, gas, and heat meters
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* Proximity switches
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* Speed sensing
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The TMR1222/TMR1228 series magnetic switches integrated the tunneling 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 .
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