TSC2007

BurrĆBrown Products from Texas Instruments TS C2 ® 007 TSC2007 SBAS405 – MARCH 2007 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with I2C™ Interface FEATURES 4-Wire Touch Screen Interface Single 1.2V to 3.6V Supply/Reference Ratiometric Conversion Effective Throughput Rate: – Up to 20kHz (8-Bit) or 10kHz (12-Bit) Preprocessing to Reduce Bus Activity I2C Interface Supports: – Standard, Fast, and High-Speed Modes Simple, Command-Based User Interface: – TSC2003 Compatible – 8- or 12-Bit Resolution On-Chip Temperature Measurement Touch Pressure Measurement Digital Buffered PENIRQ On-Chip, Programmable PENIRQ Pullup Auto Power-Down Control Low Power: – 32.24µA at 1.2V, Fast Mode, 8.2kHz Eq Rate – 39.31µA at 1.8V, Fast Mode, 8.2kHz Eq Rate – 53.32µA at 2.7V, Fast Mode, 8.2kHz Eq Rate Enhanced ESD Protection: – ±8kV HBM – ±1kV CDM – ±25kV Air Gap Discharge – ±15kV Contact Discharge 1.5 x 2 WCSP-12 and 5 x 6.4 TSSOP-16 Packages APPLICATIONS Cellular Phones PDA, GPS, and Media Players Portable Instruments Point-of-Sale Terminals Multiscreen Touch Control DESCRIPTION The TSC2007 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on an advanced low-voltage processor. It works with a supply voltage as low as 1.2V, which can be supplied by a single-cell battery. It contains a complete, ultra-low power, 12-bit, analog-to-digital (A/D) resistive touch screen converte...