Features

• A flexible 2.7 ~ 3.6V supply voltage
• 400KHz I2C serial interface (supports both 1.2V and 1.8V operation)
• Two programmable I2C sub-addresses
• Up to 3 capacitive sensing inputs
• Separate configurations per sensing input
• Multiple sensing thresholds per sensing input
• Capacitance resolution: 1.5aF
• Capacitance offset compensation: up to 400pF
• Configurable proximity detection (single/combined)
• Integrated high performance RF shield for enhanced noise immunity
• Digital sensor status output
• Automatic sensor calibration
• Advanced temperature compensation
• Wakeup at Power Down
• Low power consumption for mobile application:
  – Active mode: < 20uA - Doze mode: < ?? uA - Sleep mode: < 1uA
• Open drain NIRQ interrupt pin
• Two reset sources: POR, Soft Reset