MAX4259

350MHz/250MHz, 2-Channel Video Multiplexer-Amplifiers


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Description

The MAX4158/MAX4159/MAX4258/MAX4259 are wideband, 2-channel, noninverting video amplifiers with input multiplexing, capable of driving ±2.5V signals into 50Ω or 75Ω loads. These devices are current-mode feedback amplifiers; gain is set by external feedback resistors. The MAX4158/MAX4159 are optimized for unity gain (0dB) with a -3dB bandwidth of 350MHz. The MAX4258/MAX4259 are optimized for gains of two (6dB) or more with a 250MHz -3dB bandwidth. These devices have low (0.01%/0.01°) differential gain and phase errors, and operate from ±5V supplies.

These devices are ideal for use in broadcast and graphics video systems because of their low, 2pF input capacitance, channel-to-channel switching time of only 20ns, and wide, 130MHz 0.1dB bandwidth. In addition, the combination of ultra-high speed and low power makes them suitable for use in general-purpose high-speed applications, such as medical imaging, industrial instrumentation, and communications systems.

The MAX4159/MAX4259 have address latching and high-impedance output disabling, allowing them to be incorporated into large switching arrays. They are available in 14-pin SO and 16-pin QSOP packages. The MAX4158/MAX4258 have no address latching or output disabling, but are available in space-saving 8-pin µMAX® and SO packages.
MAX4158, MAX4159, MAX4258, MAX4259: Pin Configurations/Functional Diagrams/Truth Tables MAX4158, MAX4159, MAX4258, MAX4259: Pin Configurations/Functional Diagrams/Truth Tables Enlarge+

Key Features

  • Excellent Video Specifications:
    • 0.1dB Gain Flatness to 130MHz
    • 0.01%/0.01° Differential Gain/Phase Error
  • High Speed:
    • 350MHz -3dB Bandwidth (MAX4158/4159)
    • 250MHz -3dB Bandwidth (MAX4258/4259)
    • 700V/µs Slew Rate (MAX4158/4159)
    • 1000V/µs Slew Rate (MAX4258/4259)
    • 20ns Settling Time to 0.1%
  • Fast Switching:
    • 20ns Channel-Switching Time
    • <70mV Switching Transient
  • Low Power: 100mW
  • Directly Drive 75Ω or 50Ω Cables
  • High Output Current Drive: >70mA
  • Address Latch and High-Z Output Disable

Applications/Uses

  • Broadcast Video
  • Coaxial Cable Drivers
  • High-Definition Television (HDTV)
  • High-Speed Signal Processing
  • Multimedia Products
  • Pixel Switching
  • Video Crosspoint Switching
  • Video Signal Multiplexing
  • Workstations
Request Reliability Report for: MAX4259 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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