MultiDimension Technology Co., Ltd. Omnipolar Magnetic Switch TMR1305

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Omnipolar Magnetic Switch TMR1305
TMR1305 is a digital omni polar magnetic switch that integrates TMR and CMOS technology in order to provide a magnetically triggered digital switch with high sensitivity, high speed, and ultra-low power consumption. It is designed for use in applications that are both power-critical and performance-demandin g. It contains a push-pull half-bridge 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, and CMOS push-pull output. An internal band gap regulator is used to provide a temperature compensated supply voltage for internal circuits, permitting a wide range of supply voltages. The TMR1305 draws only 2μA resulting in ultra-low power operation. It has fast response, accurate switching points, excellent thermal stability, and immunity to stray field interference. It is available in the SOT23-3 package (P/N TMR1305S) or the TO-92S package (P/N TMR1305T). Features and Benefits: Tunneling Magnetoresistance (TMR) Technology Ultra Low Power Consumption at 2μA High Frequency Response > 1kHz Operation with North or South Pole Z-axis sensing direction compatible with Hall Effect Low Switching Points for High Sensitivity Compatible with a Wide Range of Supply Voltages Excellent Thermal Stability High Tolerance to External Magnetic Field Interference Applications: Utility Meters including Water, Gas, and Heat Meters Proximity Switches Position and Speed Sensing Motor and Fan Control

TMR1305 is a digital omni polar magnetic switch that integrates TMR and CMOS technology in order to provide a magnetically triggered digital switch with high sensitivity, high speed, and ultra-low power consumption. It is designed for use in applications that are both power-critical and performance-demanding. It contains a push-pull half-bridge 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, and CMOS push-pull output. An internal band gap regulator is used to provide a temperature compensated supply voltage for internal circuits, permitting a wide range of supply voltages. The TMR1305 draws only 2μA resulting in ultra-low power operation. It has fast response, accurate switching points, excellent thermal stability, and immunity to stray field interference. It is available in the SOT23-3 package (P/N TMR1305S) or the TO-92S package (P/N TMR1305T).

Features and Benefits:

  • Tunneling Magnetoresistance (TMR) Technology
  • Ultra Low Power Consumption at 2μA
  • High Frequency Response > 1kHz
  • Operation with North or South Pole
  • Z-axis sensing direction compatible with Hall Effect
  • Low Switching Points for High Sensitivity
  • Compatible with a Wide Range of Supply Voltages
  • Excellent Thermal Stability
  • High Tolerance to External Magnetic Field Interference

Applications:

  • Utility Meters including Water, Gas, and Heat Meters
  • Proximity Switches
  • Position and Speed Sensing
  • Motor and Fan Control
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Technical Specifications

  MultiDimension Technology Co., Ltd.
Product Category Magnetic Sensor Chips
Product Number TMR1305
Product Name Omnipolar Magnetic Switch
Operating Temperature -40 to 125 C (-40 to 257 F)
Applications Automobile; Industrial
Sensor Type Magnetic
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