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Capacitive proximity sensor and switch

For an optimized response to the environment, use NXP capacitive proximity sensors for detection and self-calibration. The sensors compensate for changes, such as varying humidity or contamination on the electrode.

New and updated products

PCF8885TS

Capacitive 8-channel proximity switch with auto-calibration and very low power consumption



Key features and benefits

  • Detects capacitance changes on a remote sensing plate
  • Proximity operation possible, no contact required
  • Changes in the static capacitance are automatically compensated through continuous auto-calibration
  • Operates when wearing gloves
  • Sensing plate and the IC can be separated by a distance of several metres
  • Useable with dirt on the touch area
  • Adjustable sensitivity
  • Works with any event that generates a pre-defined change in capacitance
  • Adjustable response time

Key applications

  • Mobile phones or portable entertainment units
  • Medical applications
  • Explosive environments
  • Vandal proofing
  • Under upholstery, handles, mats, glass, carpets, tiles etc.

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Descriptive summary

Compared to alternative switches and sensors, capacitive options have a number of advantages. Resistance-based sensing relies on contact, but capacitive sensors can switch without contact due to proximity sensing. And without the need for foil on the switching area, materials costs are reduced.

Products

Type numberDescriptionStatusQuick access
PCA8885TSCapacitive 8-channel proximity switch with auto-calibration and very low power consumption Download datasheet
Order sample
PCA8886TSDual channel capacitive proximity switch with auto-calibration and large voltage operating range Download datasheet
Order sample
PCF8883TCapacitive proximity switch with auto-calibration, large voltage operating range and very low power consumption Download datasheet
Order sample
Buy online
PCF8885TSCapacitive 8-channel proximity switch with auto-calibration and very low power consumption Download datasheet
Order sample
Buy online

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