TSC2006

TSC2006 www.ti.com ......................................................................................................................................................... SBAS415C – JUNE 2007 – REVISED MARCH 2009 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with SPI™ 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 SPI-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: – 707µW at 1.8V, 50SSPS – 544µW at 1.6V, 50SSPS – 280µW at 1.2V, 50SSPS – 69µW at 1.6V, 8.2kSPS Eq. Rate – 43µW 1.2V, 8.2kSPS Eq. Rate Enhanced ESD Protection: – ±8kV HBM – ±1kV CDM – ±25kV Air Gap Discharge – ±12kV Contact Discharge 4 × 4 QFN-20 and 0.4mm 4 × 4 XTQFN-20(1) Packages (1) XTQFN package available Q4, 2009. U.S. Patent No. 6246394; other patents pending. APPLICATIONS Personal Digital Assistants Cellular Phones Portable Instruments Point-of-Sale Terminals MP3 Players, Pagers Multiscreen Touch Control Systems DESCRIPTION The TSC2006 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 supplie...