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CAP1128 - 8 Channel Capacitive Touch Sensor

Description

The CAP1128, which incorporates RightTouch® technology, is a multiple channel Capacitive Touch sensor with multiple power LED drivers.

It contains eight (8) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications.

Features

  • Eight (8) Capacitive Touch Sensor Inputs - Programmable sensitivity - Automatic recalibration - Individual thresholds for each button.
  • Proximity Detection.
  • Multiple Button Pattern Detection.
  • Calibrates for Parasitic Capacitance.
  • Analog Filtering for System Noise Sources.
  • Press and Hold feature for Volume-like Applica- tions.
  • Multiple Communication Interfaces - SMBus / I2C compliant interface - SPI communications - Pin selectable com.

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Full PDF Text Transcription

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CAP1128 8 Channel Capacitive Touch Sensor with 2 LED Drivers General Description The CAP1128, which incorporates RightTouch® technology, is a multiple channel Capacitive Touch sensor with multiple power LED drivers. It contains eight (8) individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications. Each sensor input automatically recalibrates to compensate for gradual environmental changes. The CAP1128 also contains two (2) LED drivers that offer full-on / off, variable rate blinking, dimness controls, and breathing. Each of the LED drivers may be linked to one of the sensor inputs to be actuated when a touch is detected. As well, each LED driver may be individually controlled via a host controller.
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