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TSC2004IRTJT Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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TSC2004IRTJT Datasheet(HTML) 1 Page - Burr-Brown (TI) |
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1 / 58 page  TSC2004 ® BurrBrown Products from Texas Instruments 1 FEATURES APPLICATIONS DESCRIPTION PINTDAV I C 2 Serial Interface and Control SDA AD0 RESET VREF X+ X - Y+ Y - AUX TEMP Mux PENIRQ DAV SAR ADC Internal Clock Touch Screen Drivers Interface SCL AD1 TSC2004 SBAS408E – JUNE 2007 – REVISED MARCH 2008 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with I2C™ Interface • Cellular Phones 23 • 4-Wire Touch Screen Interface • Portable Instruments • Ratiometric Conversion • MP3 Players, Pagers • Single 1.2V to 3.6V Supply • Multiscreen Touch Control • Preprocessing to Reduce Bus Activity • High-Speed I2C-Compatible Interface • Internal Detection of Screen Touch The TSC2004 is a very low-power touch screen • Register-Based Programmable: controller designed to work with power-sensitive, – 10-Bit or 12-Bit Resolution handheld applications that are based on advanced low-voltage processors. It works with a supply voltage – Sampling Rates as low as 1.2V, which can be supplied by a – System Timing single-cell battery. It contains a complete, • On-Chip Temperature Measurement ultralow-power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the • Touch Pressure Measurement control logic to measure touch pressure. • Auto Power-Down Control In addition to these standard features, the TSC2004 • Low Power: offers preprocessing of the touch screen – 760 µW at 1.8V, 50SSPS measurements to reduce bus loading, thus reducing – 580 µW at 1.6V, 50SSPS the consumption of host processor resources that can then be redirected to more critical functions. – 285 µW at 1.2V, 50SSPS – 74 µW at 1.6V, 8.2kSPS Eq. Rate The TSC2004 supports an I2C serial bus and data transmission protocol in all three defined modes: – 47 µW at 1.2V, 8.2kSPS Eq. Rate standard, fast, and high-speed. It offers • Enhanced ESD Protection: programmable resolution of 10 or 12 bits to – ±8kV HBM accommodate different screen sizes and performance needs. – ±1kV CDM – ±25kV Air Gap Discharge The TSC2004 is available in a miniature, 18-lead, 5 x 5 array, (2.554 ±0.54)mm x (2.554 ±0.54)mm – ±12kV Contact Discharge wafer chip-scale package (WCSP), and a 20-pin, 4 x • 2.5 x 2.5 WCSP-18 and 4 x 4 QFN-20 Packages 4 QFN package. Both packages are characterized for U.S. Patent No. 6,246,394; other patents pending. 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 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 © 2007–2008, 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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