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MAX4158, MAX4159, MAX4258, MAX4259
350MHz/250MHz, 2-Channel Video Multiplexer-Amplifiers


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Description
FULL DATA SHEET (PDF, 232kB)
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The MAX4158/MAX4159/MAX4258/MAX4259 are wideband, 2-channel, noninverting video amplifiers with input multiplexing, capable of driving ±2.5V signals into 50 or 75 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.

Key Features   Applications/Uses
  • 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

 
  • Broadcast Video
  • Coaxial Cable Drivers
  • High-Definition Television (HDTV)
  • High-Speed Signal Processing
  • Multimedia Products
  • Pixel Switching
  • Video Crosspoint Switching
  • Video Signal Multiplexing
  • Workstations

    Key Specifications:   Video Muxes and Crosspoints (Buffered)
    Part Number Functions Inputs Outputs -3dB BW (MHz) 0.1dB BW (MHz) VSUPPLY, Dual (±V) Slew Rate (V/µs) Diff. Phase /Diff. Gain (deg./%) Off Isolation (typ) (dB) Crosstalk (typ) (dB) Gain (V/V) EV-Kit RoHS Available Package Operating Temp. Range (°C) Price**
    MAX4158 
    Mux
    2 1 350 100 5 700 0.01/0.01  -  -70 (30MHz) 1 No Yes SOIC/8
    uMAX/8
    -40 to +85 $2.30 @ 1k
    MAX4159  350 100 700 0.01/0.01 -105 (30MHz) 1 QSOP/16
    SOIC/14
    $2.60 @ 1k
    MAX4258  250 130 1,000 0.02/0.01  -  2 SOIC/8
    uMAX/8
    $2.30 @ 1k
    MAX4259  250 130 1,000 0.02/0.01 -105 (30MHz) 2 QSOP/16
    SOIC/14
    $2.60 @ 1k
    See All Video Muxes and Crosspoints (Buffered) (25)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    Document Ref.: 19-1164; Rev 2; 2003-03-10
    This page last modified: 2007-05-31



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