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CAP1293 - 3-Channel Capacitive Touch Sensor

Description

The CAP1293 is a multiple channel capacitive touch sensor controller.

It contains three (3) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications.

Features

  • Three (3) Capacitive Touch Sensor Inputs - Programmable sensitivity - Automatic recalibration - Calibrates for parasitic capacitance - Individual thresholds for each button.
  • Proximity Detection.
  • Signal Guard - Isolates the proximity antenna from attenuation - Reduces system noise sensitivity effects on inputs.
  • Multiple Button Pattern Detection.
  • Power Button Support.
  • Press and Hold Feature for Volume-like Applica- tions.
  • 3.3V or 5V S.

📥 Download Datasheet

Datasheet preview – CAP1293

Datasheet Details

Part number CAP1293
Manufacturer Microchip
File Size 547.63 KB
Description 3-Channel Capacitive Touch Sensor
Datasheet download datasheet CAP1293 Datasheet
Additional preview pages of the CAP1293 datasheet.

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Full PDF Text Transcription

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CAP1293 3-Channel Capacitive Touch Sensor with Proximity Detection & Signal Guard General Description The CAP1293 is a multiple channel capacitive touch sensor controller. It contains three (3) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications. Each sensor input is calibrated to compensate for system parasitic capacitance and automatically recalibrated to compensate for gradual environmental changes. In addition, the CAP1293 can be configured to detect proximity on one or more channels with an optional signal guard to reduce noise sensitivity and to isolate the proximity antenna from nearby conductive surfaces that would otherwise attenuate the e-field.
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