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LMH6704MF Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMH6704MF Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 12 page  LMH6704 650 MHz Selectable Gain Buffer with Disable General Description The LMH™6704 is a very wideband, DC coupled selectable gain buffer designed specifically for wide dynamic range systems requiring exceptional signal fidelity. The LMH6704 includes on chip feedback and gain set resistors, simplifying PCB layout while providing user selectable gains of +1, +2 and −1 V/V. The LMH6704 provides a disable pin, which places the amplifier in a high output impedance, low power mode. The Disable pin may be allowed to float high. With a 650 MHz Small Signal Bandwidth (A V = +1), full power gain flatness to 200 MHz, and excellent Differential Gain and Phase, the LMH6704 is optimized for video appli- cations. High resolution video systems will benefit from the LMH6704’s ability to drive multiple video loads at low levels of differential gain or differential phase distortion. The LMH6704 is constructed with National’s proprietary high speed complementary bipolar process using National’s proven current feedback circuit architectures. It is available in 8-Pin SOIC and 6-Pin SOT23 packages. Features n Wideband operation —A V = +1, VO = 0.5 VPP 650 MHz —A V = +2, VO = 0.5 VPP 450 MHz —A V = +2, VO =2VPP 400 MHz n High output current ±90 mA n Very low distortion —2 nd/3rd harmonics (10 MHz, R L = 100 Ω): −62/−78 — Differential gain/Differential phase: 0.02%/0.02˚ n Low noise 2.3nV/ n High slew rate 3000 V/µs n Supply current 11.5 mA Applications n HDTV, NTSC & PAL video systems n Video switching and distribution n ADC driver n DAC buffer n RGB driver n High speed multiplexer Connection Diagram 8-Pin SOIC 6-Pin SOT23 20103634 Top View 20103613 Top View Ordering Information Package Part Number Package Marking Transport Media NSC Drawing 8-Pin SOIC LMH6704MA LMH6704MA 95 Units Rail M08A LMH6704MAX 2.5k Units Tape and Reel 6-Pin SOT23 LMH6704MF B07A 1k Units Tape and Reel MF06A LMH6704MFX 3k Units Tape and Reel LMH™ is a trademark of National Semiconductor Corporation. September 2006 © 2006 National Semiconductor Corporation DS201036 www.national.com |
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