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SX8644 - Capacitive Button and Slider Touch Controller

Description

The SX8644 is an ultra low power, fully integrated 12-channel solution for capacitive touch-buttons and slider applications.

Features

  • dedicated capacitive sense inputs (that requires no external components) in addition to 8 general purpose I/O ports (GPIO). Each GPIO is typically configured as LED driver with independent PWM source for enhanced lighting control such as intensity and fading. The SX8644 includes a capacitive 10 bit ADC analog interface with automatic compensation up to 100pF. The high resolution capacitive sensing supports a wide variety of touch pad sizes and shapes and allows capacitive buttons to be created u.

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Datasheet preview – SX8644

Datasheet Details

Part number SX8644
Manufacturer SEMTECH
File Size 1.90 MB
Description Capacitive Button and Slider Touch Controller
Datasheet download datasheet SX8644 Datasheet
Additional preview pages of the SX8644 datasheet.

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Full PDF Text Transcription

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WIRELESS & SENSING SX8644 Ultra Low Power, Capacitive Button and Slider Touch Controller (12 sensors) with Enhanced LED Drivers DATASHEET GENERAL DESCRIPTION The SX8644 is an ultra low power, fully integrated 12-channel solution for capacitive touch-buttons and slider applications. Unlike many capacitive touch solutions, the SX8644 features dedicated capacitive sense inputs (that requires no external components) in addition to 8 general purpose I/O ports (GPIO). Each GPIO is typically configured as LED driver with independent PWM source for enhanced lighting control such as intensity and fading. The SX8644 includes a capacitive 10 bit ADC analog interface with automatic compensation up to 100pF.
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