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NSM1051 Unipolar TMR Switch
NSM1051 is a 3-wire fixed sensitivity TMR switch, which is industrial-grade magnetic sensors based on the tunnel magnetoresistance (TMR) effect to support high-precision, contactless digital position measurement within an ambient temperature range of -40°C to 125°C. NSM1051 features extremely low power consumption, with operating currents as low as 1.5μA for the 5kHz sampling frequency version and 200nA for the 156Hz sampling frequency version.
The NSM105X series consists of 3 product models, namely NSM1051 (unipolar TMR switch), NSM1052 (omnipolar TMR switch), and NSM1053 (TMR latch), which allow users to select different switching points, magnetic polarity, output polarity, low power modes, output interfaces, and package forms.
Product Features
• Operating ambient temperature: -40°C~125°C
• Operating voltage range: 1.8~5.5V
• ESD (HBM): ±4kV
• Extremely low power consumption, with supply currents as low as 200nA
• Optional parameters:
Different operate /release points
Magnetic polarity: South, North
Output polarity : High, Low
Sampling frequency: 5kHz, 2.5kHz, 1.25kHz, 156Hz
Output interface: Open-drain, Push-pull
Application
• Industrial and consumer applications
• Reed switch replacement
• Liquid level detection
• Proximity switch
• Water, gas, heat meter
• Speed detection
• Wake-up switch
Functional Block Diagram
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