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AKM Angle Sensor, EM-3242  
Tabs
 
Asahi EM-3241/42 AKMís (Asahi's) EM-3242 non-contact magnet angular sensor detects the absolute angular position of a small magnet that is positioned above the device surface. The sensor has a full 360 degree angle range with a 10bit resolution.

The sensor incorporates IMC (Integrated Magnetic Concentrator) and CMOS Hall devices to sense the magnetic field vector along with the circuitry to convert the Hall sensor signal to an analog voltage proportional to the angle position of the magnet. The sensor is packaged in a very small 6 pin SOIC which is one on the smallest integrated angle sensors on the market. Only one external component is required for operation (a 0.1µF bypass capacitor). The EM-3242 is a low power sensor requiring 2.7 to 3.3V and 8mA.

The EM-3242 has replaced the EM-3241 that is obsolete

AKM Magnetic Sensors Engineering and Development Kits Guide

The AKM EM-3242 is RoHS compliant.


Features
Applications
  • Small Size 3.6 x 3.0 x 0.8 mm - 6pin SOIC
  • Resolution of up to 10 bits (0.36 deg)
  • Non-linearity - 1%; (Vop <3V)
  • Low Power - Typically 8 mA at 3.0V
  • Sleep Mode - 1µA current draw
  • Linear ratio-metric analog output voltage proportional to 0-360 degree
  • Single 3V supply (2.7 to 3.3 V operating)
  • Only one external part required - 0.1µF Capacitor
  • Very High Speed
Non-contact angle sensing for:
  • Control valves
  • Audio or light intensity controls
  • Solar panel orientation
  • Gas and fluid flow meters
  • Gas and liquid level indicators
  • Flapper valves
  • Wind direction vanes
  • Motor shaft angle and speed
  • Steering systems
  • Linear position sensing

  • Last updated on 25 April, 2014
     
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