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TSC2007IPWG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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TSC2007IPWG4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 41 page ® TSC2007 1 FEATURES APPLICATIONS DESCRIPTION PENIRQ I C Serial Interface and Control 2 SCL SDA A[0:1] X+ X- Y+ Y- AUX TEMP Mux VDD/REF GND SAR ADC Internal Clock Touch Screen Drivers Interface TSC2007 www.ti.com...................................................................................................................................................... SBAS405A – MARCH 2007 – REVISED MARCH 2009 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with I2C™ Interface • Cellular Phones 23 • 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: • Multiscreen Touch Control Systems – Up to 20kHz (8-Bit) or 10kHz (12-Bit) • Preprocessing to Reduce Bus Activity • I2C Interface Supports: The TSC2007 is a very low-power touch screen – Standard, Fast, and High-Speed Modes controller designed to work with power-sensitive, • Simple, Command-Based User Interface: handheld applications that are based on an advanced low-voltage processor. It works with a supply voltage – TSC2003 Compatible as low as 1.2V, which can be supplied by a – 8- or 12-Bit Resolution single-cell battery. It contains a complete, ultra-low • On-Chip Temperature Measurement power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the control • Touch Pressure Measurement logic to measure touch pressure. • Digital Buffered PENIRQ In addition to these standard features, the TSC2007 • On-Chip, Programmable PENIRQ Pull-Up offers preprocessing of the touch screen • Auto Power-Down Control measurements to reduce bus loading, thus reducing • Low Power: the consumption of host processor resources that can then be redirected to more critical functions. – 32.24 µA at 1.2V, Fast Mode, 8.2kHz Eq Rate – 39.31 µA at 1.8V, Fast Mode, 8.2kHz Eq Rate The TSC2007 supports an I2C serial bus and data transmission protocol in all three defined modes: – 53.32 µA at 2.7V, Fast Mode, 8.2kHz Eq Rate standard, fast, and high-speed. It offers • Enhanced ESD Protection: programmable resolution of 8 or 12 bits to – ±8kV HBM accommodate different screen sizes and performance needs. – ±1kV CDM – ±25kV Air Gap Discharge The TSC2007 is available in a 12-lead, (1.555 ±0.055mm) x (2.055 ±0.055mm), 3 x 4 array, – ±15kV Contact Discharge wafer chip-scale package (WCSP), and a 16-pin, • 1.5 x 2 WCSP-12 and 5 x 6.4 TSSOP-16 TSSOP package. The TSC2007 is characterized for Packages the –40°C to +85°C industrial temperature range. 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 I2C is a trademark of NXP Semiconductors. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2009, 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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