DESCRIPTION

The ScreenCoderTM USB IC is the first single IC that seamlessly interfaces ANY 4- or 8-wire resistive touch screen to a USB equipped system. It is also the first touch screen controller IC on the market designed to accommodate a very wide range of size, capacitance and resistance of 4- or 8-wire touch screens, providing a universal performance solution among different OEM products and touch screen vendors. This unique feature of the IC provides OEMs with a wide variety of interchangeable touch screen options.

FEATURES

• Controller & digitizer in a single IC

• Interfaces the system via USB

• Works with ANY 4- or 8-wire resistive touch screen regardless of size, material or vendor

• Provides high resolution - 1000 points per axis, enabling IC to make precise drawing and signature captures

• Accurate, quick touch response due to Semtech’s advanced sampling technology and algorithms

• Highly resistant to RF and other noise

• No digitizer or external A/D necessary

• Fully compliant with USB HID specifications; works with native USB drivers including Windows®

98, Me and 2000

• Convienent calibration applet offered free of charge

• Uses slim 36-pin, SSOP package

• Customized versions available