High-speed data line protection and filter devices

18 June 2003 Circuit & System Protection

ON Semiconductor has introduced five new microintegration circuits designed to protect sensitive components in portable and computing applications from damaging and disruptive electrical transients during the transmission of high-speed data.

Target application for the devices includes digital cameras and other portable consumer equipment, set-top boxes and high-speed data ports in PCs, including digital visual interface (DVI), VGA, Ethernet, and ports. The company plans to put seven additonal integrated filter and line-protection devices into full production in the second quarter.

Four of the new devices are filters designed specifically for USB, Ethernet, Firewire and other high-speed data applications. These devices meet all the requirements of USB, including EM filtering and line termination for upstream/downstream ports. Each of these new integrated components replaces a current discrete solution that requires 12 components.

The additional eight new devices offer the industry's lowest capacitance for electrostatic discharge (ESD) protection, says ON Semiconductor. Their 15 kV contact discharge exceeds the IEC61000 8 kV ESD standard. With an industry-low capacitance of 1,5 pF typical, the devices ensure that data-line speeds are maintained and guarantee the integrity of the data.

For more information contact Avnet Kopp, 011 809 6100.

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