TMR1340B MicroAmpere High Frequency Response Omnipolar Magnetic Switch Sensor
  • TMR1340-big
Part No.: TMR1340B
Type: Omnipolar
Supply Voltage(V): 1.8 to 5.5
Power Consumption(μA): 1.5 μA
Operating Modes: continuous power

Sensing Direction: X-axis
Bop (Gs,25°C)(Gs): ±14
Brp (Gs,25°C)(Gs): ±10
Output Interface: Open Drain
Package: SOT23-3
Lead Time: In stock


TMR1340B is an omnipolar magnetic switch integrated the tunnel magnetoresistance (TMR) magnetic sensor and open-drain circuitry, which is able to detect the change of magnetic field and output high and low voltage signals for high accuracy position detection.

Unlike Hall/AMR sensors, TMR sensors with extremely high resistance values allows TMR1340B to achieve the supply current as low as 1.5 μA while operating in the full-time power supply mode, and maintaining the response frequency of the magnetic signal is 1 kHz. Therefore, TMR1340B can provide true continuous detection of magnetic field signals, avoiding sampling errors from the traditional time-sharing power supply mode.

TMR1340B allows a wide range of operating supply voltages from 1.8 V to 5.5 V with excellent temperature characteristics, and can meet the requirements of most applications. TMR1340B is available in compact SOT23-3 package.


Features and Benefits

iconTunneling magnetoresistance (TMR) technologyiconHigh sensitivity
iconHigh frequency response: typ. 1 kHziconOmnipolar operation
icon Wide range supply voltages: 1.8 V to 5.5 ViconOpen-drain push-pull output
iconLow power consumption: supply current 1.5 μAiconExcellent temperature stability
iconHigh tolerance to external magnetic field interferenceiconRoHS & REACH compliant


iconUtility meters: water, gas, and heat metersiconProximity switches
iconSpeed sensingiconLinear and rotation position sensing

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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