Features

• A single 1.8V supply voltage
• 400KHz I2C serial interface
• Four programmable I2C sub-addresses
• Up to 8 capacitive sensing inputs
• Separate configurations per sensing input
• Multiple sensing thresholds per sensing input
• Smart on-chip capacitance to voltage converter
• Capacitance resolution: 3.7aF
• Capacitance offset compensation: up to 300pF
• Configurable proximity detection (single/combined)
• Digital sensor status output
• Automatic sensor calibration
• Advanced temperature compensation
• Wakeup at Power Down
• Low power consumption for mobile application:
  – Active mode: < 29uA
  – Doze mode: < 7uA
  – Sleep mode: < 1.2uA
• Open drain NIRQ interrupt pin
• Two reset sources: POR, Soft Reset