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The TMR Switch is a digital magnetic switch that integrate Tunneling Magnetoresistance (TMR) and CMOS technology in order to provide a magnetically triggered digital switch with high sensitivity, and ultra-low power consumption.
It contains TMR magnetic sensor and CMOS signal processing circuitry within the same package, including an on-chip TMR voltage generator for precise magnetic sensing, a TMR voltage amplifier and comparator plus a Schmitt trigger to provide switching hysteresis for noise rejection.
An internal band gap regulator is used to provide a temperature compensated supply voltage for internal circuits, permitting a wide range of supply voltages.
It is available in the package SOT23-3.
- TMR Technology supports Bop of 5 or 7 or 10 or 14 or 17 Gauss available
- Ultra-Low Power Consumption: 200nA at 50 Hz response or 1.5 uA at 1 kHz response
- X-axis or Z-axis sensing directions available.
- Unipolar or Omnipolar or Bipolar (latching) operating modes available
- Excellent Thermal Stability
- Open Drain or Push Pull output available
- SOT23-3 package
TMR Switch Parts
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TMR Switch Applications
- Proximity Switches
- Utility Meters including Gas, Water and Heat Meters
- Position and Speed Sensing
- Motor and Fan Control
- Solid State Switches