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TMR8501 High-precision, Low-noise Linear Magnetic Sensor
  • TMR8501-big
Part No.：TMR8501
Sensing Direction：Single axis
Frequency Response(-3dB)：DC to 500 kHz
Supply Voltage(V)：5 to 36 / ±3.3 to ±18
Measuring range(μT)：±200
Sensitivity(mV/μT)：20
Magnetic Field Spectral Noise Density(pT/√Hz@1Hz)：10 to 20
Linearity error(%FS)：0.05

Description

The TMR8501 is a compact and high-precision linear magnetic sensor, featuring low noise and fast response. This sensor is encased in a module-level package measuring 29mm × 18.5mm × 8.6mm. It boasts a measurement range of ±500 μT and supports either single or dual power supply options, with voltage ranges from ±3.3V to ±18V. Operating temperatures range from -40°C to 85°C. Utilizing advanced tunneling magnetoresistance (TMR) technology, the TMR8501 integrates a magnetic field feedback coil and a weak signal conditioning circuit. This configuration allows it to achieve a low noise level of 15 pT/√Hz at 1Hz, linearity of 0.05%, sensitivity temperature drift of 40 PPM, and sensitivity variation of 0.3% across a temperature range of -40°C to 75°C. With a bandwidth of 500 kHz, it enables high-resolution, real-time measurement of weak magnetic fields. The TMR8501 is ideally suited for applications such as environmental magnetic field monitoring, food safety testing, geophysical magnetic detection, traffic monitoring, and magnetic metal detection.

tmr8501TMR8501

Features and Benefits

iconLow-noise tunnel magnetoresistance technologyicon15 pT/√Hz@1Hz low noise
iconPrecision magnetic field feedback technologyicon40 PPM sensitivity temperature drift
icon0.05% linear response characteristicsicon500 kHz wide frequency response

Applications

icon Environmental magnetic field monitoringiconFood safety testing
iconGeophysical Magnetic ExplorationiconUnderground pipeline inspection
iconMetal anomaly detectioniconTraffic vehicle detection

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.