TIFDC2214RGHT

Overview

The FDC2214RGHT is a capacitance-to-digital front end from Texas Instruments designed for precision capacitive sensing with multi-channel support. It provides a digital output over I2C and is intended for use in proximity, touch, and liquid-level sensing applications where small changes in capacitance must be resolved. The device is configurable to trade off resolution, speed, and power for different sensing scenarios.

Why Choose This Part

Choose the FDC2214 when you need higher resolution capacitive measurements and multiple sensor channels in a single IC to reduce BOM and board area. Its digital I2C interface simplifies integration with common microcontrollers and allows flexible configuration of measurement parameters to balance speed, resolution, and power. Using one multi-channel front end also helps keep sensor routing and calibration consistent across channels.

Applications

Getting Started

Begin with the FDC2214 datasheet and any TI application notes for layout and sensor electrode design; careful PCB layout and grounding are important for stable capacitive measurements. Integration is typically done over I2C from any MCU platform (Arduino, STM32, ESP32, etc.); TI provides datasheets, application notes, and reference designs to help with tuning drive/excitation and filter settings. If available, use TI evaluation modules or community breakout boards to prototype before committing to a custom PCB.