ADS7843IDBQRQ1 Datasheet PDF - TI

●DESCRIPTION

●The ADS7843-Q1 is a 12-bit sampling Analog-to-Digital 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 and +VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces typical power dissipation to under 0.5µW. The ADS7843-Q1 is specified down to 2.7V operation.

●1FEATURES

●• 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 Control

●APPLICATIONS

●• Personal Digital Assistants

●• Portable Instruments

●• Point-of-Sales Terminals

●• Pagers

●• Touch Screen Monitors