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Inductive sensing is a contactless, magnet-free sensing technology that can precisely measure the position, motion, or composition of a metal or conductive target as well as detect the compression, extension, or twist of a spring.

Wire-wound coils, PCB coils or springs can be used as inductive sensors to deliver better performance, better reliability, and greater flexibility than existing sensing solutions – at lower overall system cost and power.

Key advantages of LDC technology

  • Higher resolution: Sub-micron resolution in position-sensing applications with up to 28-bits of resolution
  • Better reliability: Offers contactless sensing that is immune to nonconductive contaminants such as oil, water, dirt and dust
  • Greater flexibility: Allows the sensor to be located remotely from the IC – great for use in harsh environments
  • Lower system cost: Uses low-cost sensors and targets – no magnets required
  • Limitless possibilities: Multi-channel sensing capability supports pressed foil or conductive ink targets, offering endless opportunities for creative and innovative system design

Inductive Sensing videos


4-channel, 28-bit Inductance-to-Digital Converter with I2C for Inductive Sensing

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Read more about inductive sensing in the Analog Wire blog

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