CLC411 High Speed Video Op Amp with DisableGeneral Des criptionThe CLC411 combines a state-of-the-art complementary bipolarprocess with National’s patented current feedback architectureto provide a very high speed op amp operatingfrom ±15V supplies. Drawing only 11mA quiescent current,the CLC411 provides a 200MHz small signal bandwidth anda 2300V/μs slew rate while delivering a continuous 70mAcurrent output with ±4.5V output swing. The CLC411’s highspeed performance includes a 15ns settling time to 0.1% (2Vstep) and a 2.3ns rise and fall time (6V step).The CLC411 is designed to meet the requirements of professionalbroadcast video systems including compositevideo and high definition television. The CLC411 exceedsthe HDTV standard for gain flatness to 30MHz with it’s±0.05dB flat frequency response and exceeds compositevideo standards with its very low differential gain and phaseerrors of 0.02%, 0.03°. The CLC411 is the op amp of choicefor all video systems requiring upward compatibility fromNTSC and PAL to HDTV.The CLC411 features a very fast disable/enable (10ns/55ns)allowing the multiplexing of high speed signals onto an analogbus through the common output connections of multipleCLC411’s. Using the same signal source to drivedisable/enable pins is easy since ²break-before-make² isguaranteed.
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