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TSC2005 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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TSC2005 Scheda tecnica(HTML) 1 Page - Texas Instruments |
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1 / 46 page  BurrBrown Products from Texas Instruments 1 FEATURES APPLICATIONS DESCRIPTION PINTDAV SPI Serial Interface and Control CS SCLK SDI RESET SDO VREF X+ X - Y+ Y - AUX TEMP Mux PENIRQ DAV SAR ADC Internal Clock Touch Screen Drivers Interface TSC2005 SBAS379C – DECEMBER 2006 – REVISED MARCH 2008 1.6V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with SPI™ Interface • Personal Digital Assistants 23 • 4-Wire Touch Screen Interface • Cellular Phones • Ratiometric Conversion • Portable Instruments • Single 1.6V to 3.6V Supply • Point-of-Sale Terminals • Preprocessing to Reduce Bus Activity • MP3 Players, Pagers • High-Speed SPI-Compatible Interface • Multiscreen Touch Control • Internal Detection of Screen Touch • Register-Based Programmable: – 10-Bit or 12-Bit Resolution The TSC2005 is a very low-power touch screen – Sampling Rates controller designed to work with power-sensitive, handheld applications that are based on an advanced – System Timing low-voltage processor. It works with a supply voltage • On-Chip Temperature Measurement as low as 1.6V, which can be supplied by a • Touch Pressure Measurement single-cell battery. It contains a complete, • Auto Power-Down Control ultralow-power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the • Low Power: control logic to measure touch pressure. – 800 µW at 1.8V, 50SSPS In addition to these standard features, the TSC2005 – 600 µW at 1.6V, 50SSPS offers preprocessing of the touch screen – 75 µW at 1.6V, 8.2kSPS Eq. Rate measurements to reduce bus loading, thus reducing • Enhanced ESD Protection: the consumption of host processor resources that can then be redirected to more critical functions. – ±6kV HBM The TSC2005 supports an SPI-compatible serial bus – ±1kV CDM up to 25MHz. It offers programmable resolution of 10 – ±25kV Air Gap Discharge or 12 bits to accommodate different screen sizes and – ±12kV Contact Discharge performance needs. • 2.5 x 3 WCSP-18 Package The TSC2005 is available in a miniature 18-lead, U.S. Patent NO. 6246394; other patents pending. 5 x 6 array, 2.608 x 3.108 mm wafer chip-scale package (WCSP). The device is characterized for the –40 °C to +85°C industrial temperature range. 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 SPI is a trademark of Motorola, Inc. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2008, 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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