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Linear Tech rolls 'fastest' 2:1 multiplexing triple video amplifier

Posted: 25 May 2005 ?? ?Print Version ?Bookmark and Share

Keywords:linear technology? lt6555? video amplifier? amplifier?

Linear Technology Corp. unveiled what it claims as the industry's fastest 2:1 multiplexing triple video amplifier. Achieving beyond UXGA quality resolution, the LT6555 is designed for use in high-resolution video with multiple inputs or outputs. The 2:1 input multiplexers simplify the selection of two video signals while the internal fixed gain of two amplifiers eliminates external gain setting resistors when driving 75-ohm back-terminated cables, added Linear Tech.

"The LT6555 has a wide bandwidth of 650MHz and a very high slew rate of 2200V/?ss, allowing it to process large input signals. This, coupled with a quick 6.5ns settling time, enhances the AC performance, resulting in sharper video images," said applications manager Tim Regan.

"Furthermore, the independent supply pins for each amplifier boost channel separation, ensuring excellent crosstalk specifications. This eliminates channel interaction in RGB muxing applications," Regan added.

The new amplifier is capable of operation on dual or single supplies from 4.5V to 12V total. Offered in the 4-by-4mm QFN and 24-pin SSOP packages, the LT6555 is fully specified for operation over the industrial and commercial temperature ranges. Pricing starts at $2.75 each in 1,000-piece quantities.

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