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140MHz, 2-Channel, Video Multiplexer Amplifier

Product Details

Key Features

Simplified Block Diagram

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Key Features

  • 140MHz Unity-Gain Bandwidth
  • 250V/µs Slew Rate
  • 0.07%/0.09° Differential Gain/Phase Error
  • 36ns Channel Switch Time
  • No External Compensation Components
  • 8-Pin DIP and SO Packages
  • Directly Drives 50Ω and 75Ω Cables

Applications/Uses

  • Broadcast-Quality Video-Signal Multiplexing
  • Coaxial-Cable Line Drivers
  • High-Speed Signal Processing
  • Medical Imaging
  • Video Editing
  • Video Security Systems

Description

The MAX442 combines a 140MHz video amplifier with a high-speed, 2-channel multiplexer in an 8-pin package. With its 36ns switching time and low differential gain (0.07%) and phase (0.09°) errors, it is ideal for broadcast-quality video applications. The device is designed to drive both 50Ω and 75Ω cables, and can directly drive a 75Ω load to ±3V.

The MAX442 video amplifier is compensated for unity-gain stability, and features a 140MHz bandwidth and a 250V/µs slew rate. The multiplexer's low input capacitance (4pF with the channel on or off) maximizes high-speed performance, and a ground pin separating the two input channels minimizes crosstalk and simplifies board layout.

The MAX442 operates from ±5V supplies and typically consumes 300mW. For applications that require more input channels, see the data sheets for the MAX440 8-channel mux/amp and the MAX441 4-channel mux/amp.

Simplified Block Diagram

MAX442: Typical Operating Circuit MAX442: Typical Operating Circuit Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.