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CAP1203 - 3-Channel Capacitive Touch Sensor

Description

The CAP1203 is a multiple channel capacitive touch sensor controller.

It contains 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.
  • Multiple Button Pattern Detection.
  • Power Button Support.
  • Press and Hold Feature for Volume-like Applica- tions.
  • 3.3V or 5V Supply.
  • Analog Filtering for System Noise Sources.
  • RF Detection and Avoidance Filters.
  • Digital EMI Blocker.
  • 8kV ESD Ratin.

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Datasheet Details

Part number CAP1203
Manufacturer Microchip
File Size 520.15 KB
Description 3-Channel Capacitive Touch Sensor
Datasheet download datasheet CAP1203 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CAP1203 3-Channel Capacitive Touch Sensor General Description The CAP1203 is a multiple channel capacitive touch sensor controller. It contains 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. The CAP1203 includes Multiple Pattern Touch recognition that allows the user to select a specific set of buttons to be touched simultaneously. If this pattern is detected, a status bit is set and an interrupt is generated. The CAP1203 has Active and Standby states, each with its own sensor input configuration controls.
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