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SX8662

Semtech
Part Number SX8662
Manufacturer Semtech
Description Capacitive Button Matrix (up to 36) Controller
Published Jun 30, 2016
Detailed Description SX8662 Capacitive Button Matrix (up to 36) Controller with Individual LED Drivers and Buzzer Output ADVANCED COMMUNICATI...
Datasheet PDF File SX8662 PDF File

SX8662
SX8662

Overview
SX8662 Capacitive Button Matrix (up to 36) Controller with Individual LED Drivers and Buzzer Output ADVANCED COMMUNICATIONS & SENSING GENERAL DESCRIPTION The SX8662 is an ultra low power, fully integrated 12-channel solution for capacitive touch-button matrix applications (up to 36 keys).
Unlike many capacitive touch solutions, the SX8662 features dedicated capacitive sense inputs (that requires no external components) in addition to 8 general purpose I/O ports (GPIO) which can be used to drive up to 36 matrix LEDs (i.
e.
one per key).
Each of the on-chip GPIO/LED driver is equipped with independent PWM source for enhanced visual effect such as dimming, and breathing.
The SX8662 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 sy...


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