MCHPCAP1298-1-A4-TR
Overview
The CAP1298-1-A4-TR is an 8-channel capacitive touch sensor controller that supports both button-style inputs and proximity detection. It communicates over I2C or SMBus and features advanced signal processing to manage environmental noise and parasitic capacitance. The device is designed for high reliability with an 8kV ESD rating and operating temperatures up to 125 degrees Celsius.
Why Choose This Part
This controller offers hardware-level Multiple Button Pattern detection and a dedicated Signal Guard to reduce interference. It simplifies design by automatically calibrating for parasitic capacitance and providing individual sensitivity thresholds for each of the 8 channels.
Applications
Key Specifications
Getting Started
Connect the CAP1298 to an MCU via the I2C interface and configure the sensitivity registers to match your specific electrode geometry. Microchip provides the CAP1298 Evaluation Board (EVB-CAP1298) and associated GUI tools for real-time tuning of thresholds and filter settings.
Also Consider
