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TSC2008IRGVT Datasheet(PDF) 1 Page - Texas Instruments |
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TSC2008IRGVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page TSC2008 1 FEATURES APPLICATIONS DESCRIPTION PENIRQ SPI Serial Interface and Control CS SDI X+ X- Y+ Y- AUX TEMP Mux VDD/REF GND SAR ADC Internal Clock Touch Screen Sensor Drivers SCLK SDO TSC2008 www.ti.com .................................................................................................................................................. SBAS406A – JUNE 2008 – REVISED DECEMBER 2008 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI™ • Cellular Phones 234 • 4-Wire Touch Screen Interface • PDA, GPS, and Media Players • Single 1.2V to 3.6V Supply/Reference • Portable Instruments • Ratiometric Conversion • Point-of-Sale Terminals • Effective Throughput Rate: • Multi-Screen Touch Control Systems – Up to 20kHz (8-Bit) or 10kHz (12-Bit) • Preprocessing to Reduce Bus Activity • High-Speed SPI (up to 25MHz) The TSC2008 is a very low-power touch screen • Simple Command-Based User Interface: controller designed to work with power-sensitive, – TSC2046 Compatible handheld applications that are based on advanced low-voltage processors. It works with a supply voltage – 8- or 12-Bit Resolution as low as 1.2V, which can be supplied by a • On-Chip Temperature Measurement single-cell battery. It contains a complete, ultra-low • Touch Pressure Measurement power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the control • Digital Buffered PENIRQ logic to measure touch pressure. • On-Chip, Programmable PENIRQ Pull-up In addition to these standard features, the TSC2008 • Auto Power-Down Control offers preprocessing of the touch screen • Low Power (12-Bit, 8.2kHz Eq Rate): measurements to reduce bus loading, thus reducing – 30.4 µA at 1.2V, f SCLK = 5MHz the consumption of host processor resources that can then be redirected to more critical functions. – 35.5 µA at 1.8V, f SCLK = 10MHz – 44.6 µA at 2.7V, f SCLK = 10MHz The TSC2008 supports an SPI serial bus and data transmission. It offers programmable resolution of 8 • Power-On, Software, and SureSet™ Resets or 12 bits to accommodate different screen sizes and • Enhanced ESD Protection: performance needs. – ±8kV HBM The TSC2008 is available in a 12-lead, – ±1kV CDM (1,555 ±0,055mm) x (2,055 ±0,055mm) 3 x 4 array, – ±25kV Air Gap Discharge wafer chip-scale package (WCSP), and a 16-pin, 4 x 4 QFN(1) package. The TSC2008 is characterized – ±15kV Contact Discharge for the –40°C to +85°C industrial temperature range. • 1.5 x 2 WCSP-12 and 4 x 4 QFN-16(1) Packages (1) RGV (QFN) package available Q1, 2009. U.S. Patent No. 6246394; other patents pending. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 SureSet is a trademark of Texas Instruments. 3 SPI is a trademark of Motorola Inc. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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