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TSC2004IYZKR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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TSC2004IYZKR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 54 page BurrBrown Products from Texas Instruments TSC2004 ® 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 SBAS408A – JUNE 2007 – REVISED AUGUST 2007 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire TOUCH SCREEN CONTROLLER with I2C™ Interface • Cellular Phones • 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 an advanced low-voltage processor. It works with a – Sampling Rates supply voltage as low as 1.2V, which can be – System Timing supplied by a single-cell battery. It contains a • On-Chip Temperature Measurement complete, ultra-low power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including • Touch Pressure Measurement drivers and the control logic to measure touch • Auto Power-Down Control pressure. • Low Power: In addition to these standard features, the TSC2004 – 760 μW at 1.8V, 50SSPS offers preprocessing of the touch screen – 580 μW at 1.6V, 50SSPS measurements to reduce bus loading, thus reducing the consumption of host processor resources that – 285 μW at 1.2V, 50SSPS can then be redirected to more critical functions. – 74 μW at 1.6V, 8.2kSPS Eq. Rate The TSC2004 supports an I2C serial bus and data – 47 μW at 1.2V, 8.2kSPS Eq. Rate transmission protocol in all three defined modes: • Enhanced ESD Protection: standard, fast, and high-speed. It offers – ±6kV HBM programmable resolution of 10 or 12 bits to accommodate different screen sizes and – ±1kV CDM performance needs. – Target ±18kV Air Gap Discharge The TSC2004 is available in a miniature, 18-lead, – Target ±12kV Contact Discharge 5 x 5 array, (2.554 ±0.54)mm x (2.554 ±0.54)mm • 2.5 x 2.5 WCSP-18 and 4 x 4 QFN-20 Packages wafer chip-scale package (WCSP), and a 20-pin, 4 x U.S. Patent NO. 6246394; other patents pending. 4 QFN package. Both packages are characterized for the –40 °C to +85°C industrial temperature range. 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. I2C is a trademark of NXP Semiconductors. All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007, 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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