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SX8644

Semtech
Part Number SX8644
Manufacturer Semtech
Description Capacitive Button and Slider Touch Controller
Published Jun 24, 2015
Detailed Description WIRELESS & SENSING SX8644 Ultra Low Power, Capacitive Button and Slider Touch Controller (12 sensors) with Enhanced LED...
Datasheet PDF File SX8644 PDF File

SX8644
SX8644

Overview
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.
The high resolution capacitive sensing supports a wide variety of touch pad sizes and shapes and allows capacitive buttons to be created using thick overlay materials (up to 5mm) for an extremely robust and ESD immune system design.
The SX8644 incorporates a versatile firmware that was specia...


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