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    村太 村田 太郎 様 ***@murata.com

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    AMR Sensors (Magnetic Sensors)

    AMR Sensors (Magnetic Sensors)Selection Guide

    萝莉影视 Manufacturing's AMR sensors use AMR elements and are combined with magnets to enable them to detect rotation and position without contact.
    You can utilize this page as a support tool when choosing AMR sensor (magnetic sensor) products.

    AMR sensor (magnetic senor) specs and feature comparison table

    Select the AMR sensor candidate based on the supply voltage, current consumption, response frequency, and other parameters.

    Swipe left or right to change screens View in landscape mode
    Detection type AMR sensor name 萝莉影视photo Size Driving voltage [v] Operating magnetic field (Sensitivity) [mT] Average
    current
    consumption
    [µA]
    *1    		 Response frequency
    [Hz]
    *1
    Min. Typ. Max. Hoff Hon
    Opening / closing
    detection    		 General-purpose type
    		2.8±0.2 × 2.9±0.2 × 1.26±0.2 1.6 3 3.5 0.5 2.5 5 8
    （尘颈苍.?
    reference value）
    3 5 5.5 8
    		1.45±0.1 × 1.45±0.1 × 0.55 1.6 1.8 3.5 0.5 2.5 3
    0.8 2
    		1.45±0.1 × 1.45±0.1 × 0.55 2.4 3 3.8 0.9 2.7 160 1,000
    （尘颈苍.）
    1.6 1.8 3.6 0.5 3.1 16 500
    （尘颈苍.）
    Position
    detection    		 Low voltage and ultra-low power consumption type
    		1.45±0.1 × 1.45±0.1 × 0.55 1.4 1.5 3.6 0.5 4 0.05（1.5痴） -
    General-purpose type
    		2.8±0.2 × 2.9±0.2 × 1.26±0.2 1.6 3 3.5 0.5 2.5 5 8
    （尘颈苍.?
    reference value）
    3 5 5.5 8
    		1.45±0.1 × 1.45±0.1 × 0.55 1.6 1.8 3.5 0.5 2.5 3
    0.8 2
    General-purpose type (high-speed detection)
    		1.45±0.1 × 1.45±0.1 × 0.55 2.4 3 3.8 0.9 2.7 160 1,000
    （尘颈苍.）
    1.6 1.8 3.6 0.5 3.1 16 500
    （尘颈苍.）
    		2.8±0.2 × 2.9±0.2 × 1.26±0.2 3 12 30 0.6 2.8 1,500
    （尘补虫.）    		 5,000
    （尘补虫.）
    General-purpose type
    (ultra-low power consumption)
    		1.95 × 1.5 × 0.8 2 3 3.6 - 2 0.05（10贬锄）
    5（1办贬锄）
    *3    		 30,000
    （尘补虫.）
    3.5
    Rotation
    detection    		 High accuracy type
    		2.8±0.2 × 2.9±0.2 × 1.26±0.2 3.5 12 30 36%
    *2    		 68%
    *2    		 1,000 -
    High accuracy type
    (ultra-low current consumption)
    		1.95 × 1.5 × 0.8 1.8 3 3.6 40%
    *2    		 60%
    *2    		 0.02（10贬锄）
    2（1办贬锄）
    *3    		 3,000
    （尘补虫.）
    General-purpose type
    		2.8±0.2 × 2.9±0.2 × 1.26±0.2 1.6 3 3.5 0.5 2.5 5 8
    （尘颈苍.?
    reference value）
    3 5 5.5 8
    		1.45±0.1 × 1.45±0.1 × 0.55 1.6 1.8 3.5 0.5 2.5 3
    0.8 2
    Omnidirectional
    (3D)
    detection    		 -
    		1.45±0.1 × 1.45±0.1 × 0.55 3.1 3.3 3.5 0.5 4 7 15
    （尘颈苍.?
    reference value）
    • *1The characteristics are the values at a typical (Typ.) supply voltage (V) and at an air temperature of 25°C.
    • *2The sensitivity standards for the MRSS29DR-001 for rotation detection applications are based on the duty cycle (ON:OFF), not the ON/OFF sensitivity. When the magnetic field above a certain level rotates 360° around the surface of the sensor, a stable duty cycle is obtained. However, if the magnetic force is weak or the center of rotation of the magnetic force does not match the sensor center (and in similar circumstances), the duty cycle may be unstable.
    • *3MRUS74SD-001?MRUS74SK-001?MRMS791B can set the response frequency by inputting the pulse waveform so that the current consumption can be reduced.

    Map of AMR sensors (magnetic sensors) by corresponding voltage and frequency

    Swipe left or right to change screens View in landscape mode
    Current consumption 1mA      

    High breakdown voltage
    (General-purpose type)

    		  

    High accuracy
    (Rotation detection)

    High accuracy,
    Ultra-low power consumption
    (Rotation detection)

    High accuracy,
    Ultra-low power consumption
    (General-purpose type, Position detection)

    High accuracy, Low voltage,
    Ultra-low power consumption
    (Position detection)
    100µA      

    High-speed response
    (General-purpose type)
    10µA    

    High-speed response
    (General-purpose type)

    		  
    1µA  

    Low current consumption
    (General-purpose type)

    (Omnidirectional detection)

    		    
    0.1µA        
        1Hz 10Hz 100Hz 1kHz  
    • *The current consumption depends on the conditions of the power supply (period, pulse width).
        Response frequency  

    Design Support

    AMR Simulation Tool Download

    Download a tool that enables you to easily simulate the relationship between the positions (the ON / OFF area) of the AMR sensor and the magnet.
    Evaluation board

    Here we will introduce breakout boards for checking the operations and characteristics of AMR sensors.
    Datasheet

    You can view technical documents about AMR sensors.
    Video Library

    See videos related to AMR sensors.
    Basics

    Learn about the basics of AMR sensors (magnetic sensors), including their general characteristics and advantages, how they differ from other types of sensors used, and more.
    Selection Guide

    Customers can find desired AMR sensors on various comparison axes based on detection applications, supported voltages, sensitivity, frequencies and more.
    Application Guide

    Here are ways opening / closing detection, position detection, rotation detection, and omnidirectional detection are each used and applied as applications of AMR sensors (magnetic sensors).
    Sensors FAQ

    Avoiding Counterfeit Products

    Inquiries

    Contact us below for purchasing or any questions or other inquiries about AMR sensors.

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