About 4-wire Resistive Touch Screen Driver Chip

- Oct 02, 2019-

I Features of 4-wire resistive touch screen driver chip:


1.5V to 5.25V digital I/O interface


   2.2V to 5.25V operating voltage


   4-wire touch screen interface


   2.5V on-chip reference


   Battery measurement (0V to 6V)


    Programmable 8-bit or 12-bit resolution


  Temperature measurement


  Touch pressure measurement


  A8946 is available in QFN16 package


   Operating temperature range: -40 ° C ~ +85 ° C


   Power consumption: 250mW


  Storage temperature range: -65°C~+150°C



II 4-wire resistive touch screen driver chip application:


Cellular phone


Personal digital assistant


 Portable instrument


 Touch screen monitor


  Touch screen signature board


 Digital camera




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