Analog resistive USB touch-screen controller offers advanced calibration capabilities

Analog resistive USB touch-screen controller offers advanced calibration capabilities

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By eeNews Europe

The new controller is available as a turnkey chip or board product, supporting all 4-/5-/8-wire touch screens, with free drivers for most major operating systems.  The AR1100 is an ideal solution for customers who want a drop-in touch controller to universally support their entire standard resistive-touch portfolio. Touch input is fast becoming a standard user interface. 

The AR1100 is an easy-to-integrate touch-screen controller that meets all of these needs in a single-chip solution. It also features advanced calibration options for alignment and linearization, enabling superior accuracy for 4-, 5- and 8-wire touch screens, as well as highly accurate button pressing for critical applications with tight spacing.      

In addition to the AR1100 controller, Microchip is enhancing the company’s AR1000 Analog Resistive Touch-Screen Controllers, with new high-volume market pricing, a full suite of drivers including those for the Windows CE, Linux and Android operating systems, and a new minimum operating voltage down to 2.0 V.  The AR1000 is a turnkey analog resistive touch controller that targets low-cost embedded applications using I2C, SPI or UART communications.          

The AR1100 controller is available in 20-pin SOIC, SSOP and QFN packages today, for $.95 each, in 10,000-unit quantities.  

The AR1100 is also available as a board product, for $12 each in production quantities.  The mTouch AR1100 Development Kit ($89.99) includes an AR1100 production-ready PCB, with a USB cable and a 5-wire analog-resistive touch screen, enabling designers to quickly connect and test this advanced touch-screen controller.    

Visit Microchip at

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