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TSC2014IYZGR Datasheet(PDF) 1 Page - Texas Instruments |
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TSC2014IYZGR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 62 page  PINTDAV I C 2 Serial Interface and Control VDD/REF X+ X- Y+ Y- AUX TEMP Mux PENIRQ DAV SAR ADC Internal Clock Touch Screen Drivers Interface RESET AD0 SCL SDA Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TSC2014 SBAS484B – SEPTEMBER 2010 – REVISED DECEMBER 2016 TSC2014 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Touch Screen Controller with I2C™ Interface 1 1 Features 1 • 4-Wire Touch Screen Interface • Ratiometric Conversion • Single 1.2V to 3.6V Supply • Preprocessing to Reduce Bus Activity • High-Speed I2C-Compatible Interface • Internal Detection of Screen Touch • Register-Based Programmable: – 10-Bit or 12-Bit Resolution – Sampling Rates – System Timing • On-Chip Temperature Measurement • Touch Pressure Measurement • Auto Power-Down Control • Low Power: – 430μW at 1.8V, 50SSPS – 320μW at 1.6V, 50SSPS – 190μW at 1.2V, 50SSPS – 58μW at 1.6V, 8.2kSPS Eq. Rate – 37μW at 1.2V, 8.2kSPS Eq. Rate • Enhanced ESD Protection: – ±8kV HBM – ±1kV CDM – ±25kV Air Gap Discharge – ±11kV Contact Discharge • 1.5 x 2.0 WCSP-12 Package (1) U.S. Patent No. 6,246,394; other patents pending. 2 Applications • Cellular Phones • Portable Instruments • MP3 Players, Pagers • Multiscreen Touch Control 3 Description The TSC2014 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on advanced low-voltage processors. It works with a supply voltage as low as 1.2V, which can be supplied by a single- cell battery. It contains a complete, ultralow-power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the control logic to measure touch pressure. In addition to these standard features, the TSC2014 offers preprocessing of the touch screen measurements to reduce bus loading, thus reducing the consumption of host processor resources that can then be redirected to more critical functions. The TSC2014 supports an I2C serial bus and data transmission protocol in all three defined modes: standard, fast, and high-speed. It offers programmable resolution of 10 or 12 bits to accommodate different screen sizes and performance needs. The TSC2014 is available in a miniature, 12-lead, 3 x 4 array, (1.555 ±0.055)mm x (2.055 ±0.055)mm wafer chip-scale package (WCSP) package. The device is characterized for the –40°C to +85°C industrial temperature range. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TSC2014 DSBGA (12) (1.555 ±0.055)mm x (2.055 ±0.055)mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Block Diagram |
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