TST241 TrueTouch® Single-Touch Touchscreen Controller

Applications

  • Mobile phones
  • Digital Cameras
  • Wearables
  • Printers

Features

  • TrueTouch® capacitive touchscreen controller
    • Single finger position reported
    • Screen sizes up to 3.6″ diagonal
    • True single layer sensors with no bridges
  • Performance
    • Noise-free resolution: 0.1 mm
    • Accuracy with 1 finger on the touchscreen: 0.8 mm
    • >110 Hz refresh rate with 1 finger on the touchscreen
  • Extended feature set
    • Water rejection – no false touches
    • Capacitive buttons supported
    • On-chip gesture detection
  • Sensor and system design
    • Supports chip-on-flex and chip-on-board
    • Supports plastic film and glass touch sensors
    • Supports a variety of touchscreen sensors and stickups
  • Communication interface
    • I2C slave up to 400 kHz
    • SPI slave with 2 Mbps sustained data throughput
    • Field upgrades through integrated bootloader
  • Package options
    • 32-pin 5 × 5 × 0.55 mm QFN
    • 48-pin 7 × 7 × 1.0 mm QFN