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Littelfuse, Inc. High Sensitivity Ultra-Low Power TMR Switch LF21215TMR

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High Sensitivity Ultra-Low Power TMR Switch - LF21215TMR - Littelfuse, Inc.
Chicago, IL, United States
High Sensitivity Ultra-Low Power TMR Switch
LF21215TMR
High Sensitivity Ultra-Low Power TMR Switch LF21215TMR
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. Features and Benefits: 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 Applications: Proximity Switches Utility Meters including Gas, Water and Heat Meters Position and Speed Sensing Motor and Fan Control Solid State Switches

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. Features and Benefits: 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 Applications: Proximity Switches Utility Meters including Gas, Water and Heat Meters Position and Speed Sensing Motor and Fan Control Solid State Switches

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Technical Specifications

  Littelfuse, Inc.
Product Category Linear Position Sensors
Product Number LF21215TMR
Product Name High Sensitivity Ultra-Low Power TMR Switch
Sensor Technology Magnetoresistive Linear Position Sensor/Switch
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