Features

• Complete Eight Sensors Capacitive Touch Controller for
  • Buttons and Wheel
    • Pre-configured for 4 Buttons and a Wheel
    • 8 LED Drivers with Individual Intensity, Fading Control and Autolight Mode
    • 256 steps PWM Linear and Logarithmic control
• High Resolution Capacitive Sensing
  • Up to 100pF of Offset Capacitance Compensation at Full Sensitivity
  • Capable of Sensing through Overlay Materials up to 5mm thick
• Extremely Low Power Optimized for Portable Application
  • 8uA (typ) in Sleep Mode
  • 80uA (typ) in Doze Mode (Scanning Period 195ms)
  • 175uA (typ) in Active Mode (Scanning Period 30ms)
• Programmable Scanning Period from 15ms to 1500ms
• Auto Offset Compensation
  • Eliminates False Triggers due to Environmental
  • Factors (Temperature, Humidity)
  • Initiated on Power-up and Configurable Intervals
• Multi-Time In-Field Programmable Firmware Parameters for Ultimate Flexibility
  • On-chip user programmable memory for fast, self contained start-up
• "Smart" Wake-up Sequence for Easy Activation from Doze
• No External Components per Sensor Input
• Internal Clock Requires No External Components
• Differential Sensor Sampling for Reduced EMI
• 400 KHz Fast-Mode I²C Interface with Interrupt
• -40°C to +85°C Operation

I²C logo is a trademark of NXP B.V.

Applications

• Notebook/Netbook/Portable/Handheld computers
• Cell phones, PDAs
• Consumer Products, Instrumentation, Automotive
• Mechanical Button Replacement

Packaging

• MLPQ-UT28

Order Codes

• SX8649I05AULTRT