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LMH6714 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMH6714 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 15 page  LMH6714/6720/6722 Wideband Video Op Amp; Single, Single with Shutdown and Quad General Description The LMH6714/6720/6722 series combine National’s VIP10™ high speed complementary bipolar process with National’s current feedback topology to produce a very high speed op amp. These amplifiers provide a 400MHz small signal bandwidth at a gain of +2V/V and a 1800V/µs slew rate while consuming only 5.6mA from ±5V supplies. The LMH6714/6720/6722 series offer exceptional video per- formance with its 0.01% and 0.01˚ differential gain and phase errors for NTSC and PAL video signals while driving a back terminated 75 Ω load. They also offer a flat gain re- sponse of 0.1dB to 120MHz. Additionally, they can deliver 70mA continuous output current. This level of performance makes them an ideal op amp for broadcast quality video systems. The LMH6714/6720/6722’s small packages (SOIC & SOT23), low power requirement, low noise and distortion allow the LMH6714/6720/6722 to serve portable RF applica- tions. The high impedance state during shutdown makes the LMH6720 suitable for use in multiplexing multiple high speed signals onto a shared transmission line. The LMH6720 is also ideal for portable applications where current draw can be reduced with the shutdown function. Features n 400MHz (A V = +2V/V, VOUT = 500mVPP) −3dB BW n 250MHz (A V = +2V/V, VOUT =2VPP) -3dB BW n 0.1dB gain flatness to 120MHz n Low power: 5.6mA n TTL compatible shutdown pin (LMH6720) n Very low diff. gain, phase: 0.01%, 0.01˚ (LMH6714) n −58 HD2/ −70 HD3 at 20MHz n Fast slew rate: 1800V/µs n Low shutdown current: 500uA (LMH6720) n 11ns turn on time (LMH6720) n 7ns shutdown time (LMH6720) n Unity gain stable n Improved replacement for CLC400,401,402,404,406 and 446 (LMH6714) n Improved replacement for CLC405 (LMH6720) n Improved replacement for CLC415 (LMH6722) Applications n HDTV, NTSC & PAL video systems n Video switching and distribution n Wideband active filters n Cable drivers n High speed multiplexer (LMH6720) n Programmable gain amplifier (LMH6720) Non-Inverting Small Signal Frequency Response 20056506 Differential Gain and Phase vs. Number of Video Loads (LMH6714) 20056528 March 2003 © 2003 National Semiconductor Corporation DS200565 www.national.com |
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