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Amplifiers/Converters??

UXGA resolution RGB amp eliminates negative supply

Posted: 04 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:LT6557? video amplifier? Linear Technology?

Linear Technology Corp. introduced the LT6557, a triple video amplifier for single supply applications. The product features a wide output swing that extends to 0.8V of supply rails, enabling it to provide full video swing when operated from a 5V single supply. The LT6557 has a -3dB bandwidth of 500MHz, slew rate of 2200V/s, settling time of 4ns and a 0.1dB gain flatness that extends to 120MHz.

"The LT6557's internal architecture simplifies the task of processing high speed video signals in single supply applications," according to Dan Tran, design section leader for Linear Tech's signal conditioning products. "An internal biasing feature allows the user to program the inputs of all three amplifiers to the same DC voltage level with a single resistor. This feature minimizes external component count and simplifies AC-coupled applications. Furthermore, the internal fixed gain of two eliminates six external gain setting resistors required for driving double-terminated cables."

The LT6557 is suitable for use in SXGA and UXGA LCD projectors and monitors, digital presenters, scanners, automotive display systems such as in-car navigation or in-car video systems and CCD imaging systems.

Offered in 16-pin SSOP and DFN packages, the LT6557 is fully specified for operation over the industrial and commercial temperature ranges. Pricing starts at $2.50 each in 1,000-piece quantities.




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Related Datasheets
Part Number Description Category
? LT6557 500MHz, 2200V/μs Gain of 2, Single Supply Triple Video Amplifier with Input Bias Control Circuit and Heat Protection Devices

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