AK4184A Datasheet (Asahi Kasei Microsystems)

AK4184A, TSC

The AK4184A is a 12-bit A/D converter witch operates 125kHz (max) sampling rate with a 4-wire resistive touch screen controller (TSC), including low-on resistance switches, touch pressure measurement capability, a maximum 6 x 5 keypad scanner, eight GPIO ports, and a PWM generator for LED contrast c

AK4184A Features

* SPI Serial Interface

* 12 bit SAR A/D Converter with S/H Circuit

* 4-wire Resistive Touch Screen Interface

* Sampling Frequency: 125 kHz (max)