TMR1387 High-Voltage TMR Omnipolar Switch
  • sot23-3-en
Part No.: TMR1387
Type: Omnipolar
Supply Voltage(V): 3~40 V
Power Consumption(μA): 0.6 mA
Operating Modes: continuous power, no duty cycling

Sensing Direction: X-axis
Bop (Gs,25°C)(Gs): ±65
Brp (Gs,25°C)(Gs): ±40
Output Interface: Open Drain
Package: SOT23-3
Lead Time: In stock


TMR1387 is a digital omnipolar magnetic switch that integrates TMR and CMOS technology in order to provide a magnetically triggered digital switch with high sensitivity, high speed, and low power consumption. It is designed for use in applications that are both power-critical and performance-demanding. It contains a push-pull TMR sensor bridge 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 an open-drain 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 from 3 V up to 40 V. The TMR1387 draws only 0.6 mA resulting in low-power operation. It has fast response, accurate switching points, excellent thermal stability, and immunity to stray field interference. It is available in SOT23-3 package.


Features and Benefits

iconTunneling magnetoresistance (TMR) technologyiconLow power consumption < 0.6 mA
iconHigh frequency response ≥ 100 kHziconOmnipolar operation
iconIn-plane X-Axis sensingiconOpen-drain output
iconHigh supply voltages of 40 V and 30 V reverse voltageiconHigh sensitivity
iconHigh tolerance to external magnetic field interferenceiconExcellent temperature stability


iconUtility meters: water, gas, and heat metersiconProximity switches
iconSpeed sensingiconPosition sensing
iconMotor and fan controliconPower window
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The information provided herein by MultiDimension Technology Co., Ltd. (MDT) is believed to be accurate and reliable. The technology disclosed by MDT does not infringe the patents of other companies and owns independent intellectual property rights. We reserve the right to change the specification of products and/or the information given herein at any time to improve product quality, reliability and functionality. MDT does not assume any liability arising out of the application and use of its products.

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