ADS7843-Q1 - TOUCH SCREEN CONTROLLER
The ADS7843-Q1 is a 12-bit sampling Analog-toDigital Converter (ADC) with a synchronous serial interface and low on-resistance switches for driving touch screens.
Typical power dissipation is 750µW at a 125kHz throughput rate and a +2.7V supply.
The reference voltage (VREF) can be varied between 1V
ADS7843-Q1 Features
* 1
* Qualified for Automotive Applications
* Ratiometric Conversion
* Single Supply: 2.7V to 5V
* Up to 125kHz Conversion Rate
* Serial Interface
* Programmable 8- or 12-Bit Resolution
* 2 Auxiliary Analog Inputs
* Full Power-Down Contro