XPT2046 Touch driver IC TSSOP16 package

the xpt2046 ic is the most famous decoder ic for resistive touch screens, and you can find this category of ics in almost all telecommunications units. this product is a 4-wire resistive touch screen controller, featuring a 12-bit 125 khz sar-type a/d converter, and it can detect the touched location using two a/d converters. you can use the microcontroller via spi to read from and write to this ic.

application of XPT2046 touch driver chip:

1. personal digital devices
2. portable devices
3. store checkout terminals
4. paging systems
5. monitors with display screens

specifications of the XPT2046 Touch Driver IC:

1. 12-bit analog to digital converter
2. operating voltage range: 2.2v ~ 3.6v
3. low-level digital voltage 1.5v ~ vcc
4. sampling frequency: 125 khz
5. reference voltage 2.5v
6. low power consumption 260μa
7. package type 16pin qfn

Documents:

datasheet for XPT2046 IC