AR7643 Datasheet (HiMARK) - 12-bit Touch Panel Controller

AR7643, 12-bit Touch Panel Controller

The AR7646 Touch Screen Controller IC is an advanced version of the AR7643.

The AR7646 is a 12-bit SAR analog-to-digital converter (ADC) with SPI serial interface and low on-resistance drivers for 4-wire resistive touch panels.

The AR7646 is a highly integrated controller for portable applications w

AR7643 Features

* Pin compatible to AR7643 Serial interface 4-wire touch screen interface Embedded touch panel drivers Internal 2.5 V reference Direct battery measurement ( 0 V to 6 V) Touch-pressure measurement One auxiliary analog input On-chip temperature sensor 2.2 V to 5.5 V supply voltage 12-bit analog to digit