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Low Cost 5V/300MHz Triple Video Amplifier Supports 1080p High Definition Format

Oct 18 2006 - MILPITAS, CA
  • Linear Technology Corporation introduces the LT6559, a single-supply triple amplifier with an industry-leading combination of small size, high speed performance and low cost, making it ideal for applications such as 1080p High Definition video. Available in a tiny 3mm × 3mm QFN package, the LT6559 offers excellent AC performance with 150MHz 0.1dB flatness bandwidth, 800 V/us slew rate and a wide output swing of 1.15V to 3.85V on a single 5V supply.

    "Each amplifier has its own enable pin, which facilitates individual channel control," says Tim Regan, applications manager. "This feature provides great flexibility in forming various multiplexer, cable-driver and ADC driver functions at low cost." When enabled, each amplifier draws only 3.9mA and when disabled, current consumption drops to only 0.1uA per amplifier.

    Applications include consumer video-playback equipment, KVM (keyboard, video, mouse) switches and LCD projectors and displays. Specified to operate on either single 5V or ±5V supplies, the LT6559 is available now starting at just $0.95 each in quantities of 1,000.

    Summary of Features: LT6559

    • 300MHz BW on Single 5V and ±5V Supplies (AV = 1, 2 and –1)
    • 0.1dB Gain Flatness: 150MHz (AV = 1, 2 and -1)
    • High Slew Rate: 800V/µs
    • Low Noise: 4.5 nV/√Hz
    • Wide Output Swing: 1.15V to 3.85V typ on 5V Supply
    • Wide Supply Range: 4V to 12V Single Supply (±2V to ±6V)
    • Low Supply Current: 3.9mA per Ampifier
    • Separate Enable Pins for Each Channel
    • Fast Turn-on Time: 30ns
    • Fast Turn-off Time: 40ns
    • Tiny 3mm × 3mm 16-Pin QFN Package

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