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MAX496, MAX497
375MHz Quad Closed Loop Video Buffers, AV = +1 and +2

Not Recommended for New Designs
Part Number Replacement Explanation
MAX496 n/a This part remains available but is not recommended for new designs.
MAX496C/D n/a
MAX496CPE n/a
MAX496CPE+ n/a
MAX496CSE n/a
MAX496CSE+ n/a
MAX496CSE+T n/a
MAX496CSE-T n/a
MAX497 n/a
MAX497C/D n/a
MAX497CPE n/a
MAX497CPE+ n/a
MAX497CSE n/a
MAX497CSE+ n/a
MAX497CSE+T n/a
MAX497CSE-T n/a


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Description
FULL DATA SHEET (PDF, 232kB)
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The MAX496 and MAX497 are quad, closed-loop, ±5V video buffers that feature extremely high bandwidth and slew rate for both component video (RGB or YUV) and composite video (NTSC, PAL, SECAM). The MAX496 is a unity-gain (0dB) buffer with a 375MHz -3dB bandwidth and a 1600V/µs slew rate. The MAX497 gain of +2 (6dB) buffer, optimized for driving back-terminated coaxial cable, features a 275MHz -3dB bandwidth and a 1500V/µs slew rate. The MAX496/MAX497 are not slew-rate limited, thus providing a high full-power bandwidth of 230MHz and 215MHz, respectively.

The MAX496/MAX497 incorporate a unique two-stage architecture that combines the low offset and noise benefits of voltage feedback with the high bandwidth and slew-rate advantages of current-mode-feedback.

Key Features   Applications/Uses
  • MAX496 Fixed Gain: +1V/V
  • MAX497 Fixed Gain: +2V/V
  • High Speed Small-Signal -3dB Bandwidth:
    • 375MHz (MAX496)
    • 275MHz (MAX497)
  • High Speed Full-Power -3dB Bandwidth:
    • 230MHz (MAX496)
    • 215MHz (MAX497)
  • 0.1dB Gain Flatness:
    • 65MHz (MAX496)
    • 120MHz (MAX497)
  • 1600V/µs Slew Rate (MAX496)
  • 1500V/µs Slew Rate (MAX497)
  • Fast Settling Time: 12ns to 0.1%
  • Lowest Differential Phase/Gain Error: 0.01°/0.01%
  • 2pF Input Capacitance
  • 5.6nV/√Hz Input-Referred Voltage Noise
  • Low Distortion: 64dBc (f = 10MHz)
  • Directly Drives 50Ωor 75Ω Back-Terminated Cables
  • High ESD Protection: 5000V
  • Output Short-Circuit Protected

 
  • Broadcast and High-Definition TV Systems
  • Computers: Desktop, Workstation, Server
  • High-Speed Signal Processing
  • Medical Imaging
  • Multimedia Products
  • Surveillance Video
  • Video Routing and Switching Systems

    Diagram
    MAX496, MAX497: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-0373; Rev 1; 1998-12-01
    This page last modified: 2007-11-30



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