Datasheet Texas Instruments ADS7843E — Datenblatt

Hersteller	Texas Instruments
Serie	ADS7843
Artikelnummer	ADS7843E

Datenblätter

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Status

Verpackung

Öko-Plan

Anwendungshinweise

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  How to Use TI's 4-Wire TSC to Control an 8-Wire Resistive Touch Screen
  PDF, 271 Kb, Datei veröffentlicht: Mar 27, 2006
  This application report implements a Texas Instruments 4-wire touch screen controller (TSC) to control an 8-wire touch screen and discusses features and performances for such applications.Texas Instruments (TI) provides various TSC devices for the 4-wire or 5-wire touch screens (TS). A TI 4-wire TSC device, such as the ADS7843, TSC2003, or TSC2046, is ideal for controlling a 4-wire TS, but it
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  ADS7843 Pen Interrupt
  PDF, 48 Kb, Datei veröffentlicht: Sep 27, 2000
  The ADS7843 is a 12-bit sampling analog-to-digital converter (ADC) used to drive 4-wire touch-screens to serial interfaces by ratiometrically converting two differential input signals. The ADS7843 also produces an accurate output with the first conversion cycle once powered up.
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  Using a touch-screen controller’s auxiliary inputs
  PDF, 149 Kb, Datei veröffentlicht: Oct 12, 2007
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  Touch Screen Controller Tips
  PDF, 86 Kb, Datei veröffentlicht: Sep 27, 2000
  The ADS7843, ADS7845, and the new ADS7846 converters all are designed for specific touch screen applications. Applications using these devices can benefit greatly from the tips presented in this application bulletin. Most of the examples discuss the ADS7843, but the techniques shown are applicable to all of the devices.
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  PCB Layout Guideline for TI Resistive TSC Devices
  PDF, 144 Kb, Datei veröffentlicht: Oct 4, 2012
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  Operation Schemes of Touch Screen Controllers
  PDF, 846 Kb, Datei veröffentlicht: May 21, 2007
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  Reducing Analog Input Noise in Touch Screen Systems (Rev. A)
  PDF, 535 Kb, Revision: A, Datei veröffentlicht: Sep 15, 2007
  This application report discusses some common methods for reducing noise in the analog input circuitry of a resistive touch screen controller. In terms of hardware design, PCB layout and grounding are critical; the additional noise-decoupling capacitor built into a touch screen controller input pin may also help. On the software side, several simple, widely-applied filtering algorithms are present
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  Calibration in touch-screen systems
  PDF, 169 Kb, Datei veröffentlicht: Aug 10, 2007
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  Q4 2007 Issue Analog Applications Journal (Rev. A)
  PDF, 316 Kb, Revision: A, Datei veröffentlicht: Nov 14, 2007
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  Apply TI TSC for Various and Multiple Functions
  PDF, 316 Kb, Datei veröffentlicht: Dec 11, 2006
  This application report presents several examples showing how a touch screen controller (TSC) from Texas Instruments provides a variety of functions such as graphs, scroll bars, pressure buttons, and analog dials. A simple resistive TSC can be used to achieve all of these functions as long as they are not activated simultaneously. This application report demonstrates a few simple examples how th
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  Analog-to-Digital Converter Grounding Practices Affect System Performance (Rev. A)
  PDF, 69 Kb, Revision: A, Datei veröffentlicht: May 18, 2015
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  A Glossary of Analog-to-Digital Specifications and Performance Characteristics (Rev. B)
  PDF, 425 Kb, Revision: B, Datei veröffentlicht: Oct 9, 2011
  This glossary is a collection of the definitions of Texas Instruments' Delta-Sigma (О”ОЈ), successive approximation register (SAR), and pipeline analog-to-digital (A/D) converter specifications and performance characteristics. Although there is a considerable amount of detail in this document, the product data sheet for a particular product specification is the best and final reference.
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  Principles of Data Acquisition and Conversion (Rev. A)
  PDF, 132 Kb, Revision: A, Datei veröffentlicht: Apr 16, 2015

Modellreihe

Herstellerklassifikation

• Semiconductors > Data Converters > Integrated/Special Function Data Converters > Touch Screen Controllers