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TI unveils new video amp in SC70 package

Posted: 26 Aug 2004 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? ti? video amplifier? burr-brown? opa360?

Texas Instruments Inc. (TI) introduced a high-speed video amplifier in a small SC70 package from its Burr-Brown product line.

Featuring a 6dB gain, two-pole DAC reconstruction filter and a shutdown function, the OPA360 is suitable for the composite video output in 3V portable applications such as digital cameras, camera phones, STBs and video games. It is also compatible with DACs embedded in video processors, including the company's digital media processors.

The input voltage range includes ground which allows the embedded video-DAC to be dc-coupled into the OPA360. "The OPA360 provides excellent video performance for either ac-coupling or dc-coupling to the video load," said Frank Haut, strategic marketing engineer of TI's high-performance amplifier products. "For ac-coupled outputs, the SAG-correction feature significantly reduces the big and expensive coupling capacitors required by standard video circuits. And for dc-coupling, the OPA360 uses an integrated level shifter to prevent the output from clipping - even when the lowest sync-pulse level on the input is 0V."

An internal DAC reconstruction filter removes out-of-band (5MHz) sampling artifacts. In shutdown mode, the quiescent current is reduced to <5?A, reducing power consumption and extending battery life.

The OPA360 is available in a 2-by-2.1mm SC70-6 package and is priced at 49 cents in 1,000-piece quantities (suggested resale pricing).

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