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TSC2004 - 4-Wire TOUCH SCREEN CONTROLLER

This page provides the datasheet information for the TSC2004, a member of the TSC2004_Burr 4-Wire TOUCH SCREEN CONTROLLER family.

Description

The TSC2004 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on advanced low-voltage processors.

It works with a supply voltage as low as 1.2V, which can be supplied by a single-cell battery.

Features

  • 1.
  • 23 4-Wire Touch Screen Interface.
  • Ratiometric Conversion.
  • Single 1.2V to 3.6V Supply.
  • Preprocessing to Reduce Bus Activity.
  • High-Speed I2C-Compatible Interface.
  • Internal Detection of Screen Touch.
  • Register-Based Programmable:.
  • 10-Bit or 12-Bit Resolution.
  • Sampling Rates.
  • System Timing.
  • On-Chip Temperature Measurement.
  • Touch Pressure Measurement.
  • Auto Power-Down Control.

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Full PDF Text Transcription

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BurrĆBrown Products from Texas Instruments TSC2004 ® TSC2004 SBAS408E – JUNE 2007 – REVISED MARCH 2008 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with I2C™ Interface FEATURES 1 •23 4-Wire Touch Screen Interface • Ratiometric Conversion • Single 1.2V to 3.6V Supply • Preprocessing to Reduce Bus Activity • High-Speed I2C-Compatible Interface • Internal Detection of Screen Touch • Register-Based Programmable: – 10-Bit or 12-Bit Resolution – Sampling Rates – System Timing • On-Chip Temperature Measurement • Touch Pressure Measurement • Auto Power-Down Control • Low Power: – 760µW at 1.8V, 50SSPS – 580µW at 1.6V, 50SSPS – 285µW at 1.2V, 50SSPS – 74µW at 1.6V, 8.2kSPS Eq. Rate – 47µW at 1.2V, 8.2kSPS Eq.
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