Description
The AD7843 is a 12-bit successive-approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens.
Features
- 4-Wire Touch Screen Interface Specified Throughput Rate of 125 kSPS Low Power Consumption: 1.37 mW Max at 125 kSPS with VCC = 3.6 V Single Supply, VCC of 2.2 V to 5.25 V Ratiometric Conversion High-Speed Serial Interface Programmable 8- or 12-Bit Resolution Two Auxiliary Analog Inputs Shutdown Mode: 1 A max 16-Lead QSOP and TSSOP Packages.