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ADS7843-Q1 - TOUCH SCREEN CONTROLLER

General Description

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.

Key Features

  • 1.
  • Qualified for Automotive.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ADS7843-Q1 www.ti.com SBAS504A – MARCH 2011 – REVISED JULY 2012 TOUCH SCREEN CONTROLLER Check for Samples: 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 Control APPLICATIONS • Personal Digital Assistants • Portable Instruments • Point-of-Sales Terminals • Pagers • Touch Screen Monitors DESCRIPTION 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.