maXTouch® TD family
Touchscreen controllers
Three new maXTouch® touchscreen controllers and optimization services are now available from Microchip Technology Inc. The TD family of touch controllers features a new differential mutual signal acquisition method that significantly increases the Signal-to-Noise Ratio (SNR). This allows the use of very thick glass or plastic cover lenses and multi-finger thick gloved touch support up to the equivalence of 4.5 mm polymethyl methacrylate (PMMA).
Features:
- Supports up to 16 concurrent touches in real time with touch size reporting
- Fully automotive-qualified (Grade 2), operating temperature range of -40 to +105 degC
- Communication via a I2C serial interface up to 1MHz or SPI interface up to 8MHz
- Support multiple thick glove (5mm) touches
- Support thick lens (up to 3mm plastic)
- Superior moisture performance
- Up to 16 touch keys
- Package: TQFP128
Target applications
- Automotive
