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LMH6560 Datasheet

Part Number LMH6560
Manufacturers National Semiconductor
Logo National Semiconductor
Description Closed-Loop Buffer
Datasheet LMH6560 DatasheetLMH6560 Datasheet (PDF)

LMH6560 Quad, High-Speed, Closed-Loop Buffer December 2004 LMH6560 Quad, High-Speed, Closed-Loop Buffer General Description The LMH™6560 is a high speed, closed-loop buffer designed for applications requiring the processing of very high frequency signals. While offering a small signal bandwidth of 680MHz, and a very high slew rate of 3100V/µs the LMH6560 consumes only 46mA of quiescent current for all four buffers. Total harmonic distortion into a load of 100Ω at 20MHz is −51dBc. The LMH6560.

  LMH6560   LMH6560






Closed-Loop Buffer

LMH6560 Quad, High-Speed, Closed-Loop Buffer December 2004 LMH6560 Quad, High-Speed, Closed-Loop Buffer General Description The LMH™6560 is a high speed, closed-loop buffer designed for applications requiring the processing of very high frequency signals. While offering a small signal bandwidth of 680MHz, and a very high slew rate of 3100V/µs the LMH6560 consumes only 46mA of quiescent current for all four buffers. Total harmonic distortion into a load of 100Ω at 20MHz is −51dBc. The LMH6560 is configured internally for a loop gain of one. Input resistance is 100kΩ and output resistance is but 1.5Ω. Crosstalk between the buffers is only −55dB. These characteristics make the LMH6560 an ideal choice for the distribution of high frequency signals on printed circuit boards. Differential gain and phase specifications of 0.10% and 0.03˚ respectively at 3.58MHz make the LMH6560 well suited for the buffering of video signals. The device is fabricated on National’s high speed VIP10 process using National’s proven high performance circuit architectures. Features n Closed-loop quad buffer n 680MHz small signal bandwidth n 3100V/µs slew rate n 0.10% / 0.03˚ differential gain / phase n −51dBc THD at 20MHz n Single supply operation (3V min.) n 80mA output current Applications n Multi-channel video distribution n Video switching and routing n High-speed analog multiplexing n Channelized EW n High-density buffering n Active filters n Broadcast and high definition TV systems n Medical im.


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