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GP2211 Manufacturer Specifications, Descriptions, and Features

Manufacturer:

• Silicon Labs (formerly Silicon Laboratories)

Description:

The GP2211 is a high-performance, low-power capacitive touch sensor controller designed for human-machine interface (HMI) applications. It supports self-capacitance and mutual-capacitance sensing, making it suitable for touch buttons, sliders, and proximity detection.

Key Features:

• Capacitive Sensing:
• Supports self-capacitance and mutual-capacitance sensing.
• Up to 16 touch channels.
• Low Power Consumption:
• Optimized for battery-powered applications.
• Configurable sleep modes for power efficiency.
• High Sensitivity & Noise Immunity:
• Advanced filtering for reliable operation in noisy environments.
• Automatic recalibration for environmental changes.
• Communication Interfaces:
• I²C and SPI host communication.
• GPIOs for direct control.
• Flexible Configuration:
• Adjustable sensitivity and response time.
• Supports proximity detection (up to several centimeters).
• Robust Design:
• Operates in harsh conditions (wide temperature range).
• ESD protection for improved reliability.

Applications:

• Touch buttons, sliders, and wheels.
• Proximity sensing.
• Home appliances, industrial controls, and consumer electronics.

Package Options:

• Available in QFN and other compact packages.

Power Supply:

• 1.8V to 3.6V operating voltage range.

For detailed electrical characteristics, refer to the official GP2211 datasheet from Silicon Labs.