16x16 Nonblocking Video Crosspoint Switch with I/O Buffers

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The MAX4355 is a 16 x 16 highly integrated video crosspoint switch matrix with input and output buffers. This device operates from dual ±3V to ±5V supplies or from a single +5V supply. Digital logic is supplied from an independent single +2.7V to +5.5V supply. All inputs and outputs are buffered, with all outputs able to drive standard 75Ω reverse-terminated video loads.

The switch matrix configuration and output buffer gain are programmed through an SPI™/QSPI™-compatible, 3-wire serial interface and initialized with a single update signal. The unique serial interface operates in two modes facilitating both fast updates and initialization. On power-up, all outputs are initialized in the disabled state to avoid output conflicts in large-array configurations.

Superior flexibility, high integration, and space-saving packaging make this nonblocking switch matrix ideal for routing video signals in security and video-on-demand systems.

The MAX4355 is available in a 100-pin TQFP package and specified over an extended -40°C to +85°C temperature range.
MAX4355: Typical Operating Circuit MAX4355: Typical Operating Circuit Enlarge+

Key Features

  • 16 x 16 Nonblocking Matrix with Buffered Inputs and Outputs
  • Operates from ±3V, ±5V, or +5V Supplies
  • Individually Programmable Output Buffer Gain (AV = +1V/V or +2V/V)
  • High-Impedance Output Disable for Wired-OR Connections
  • 0.1dB Gain Flatness to 14MHz
  • -62dB Crosstalk, -110dB Isolation at 6MHz
  • 0.02%/0.12° Differential Gain/Differential Phase Error
  • Low 195mW Power Consumption (0.76mW per Point)


  • Security Systems
  • Video Routing and Switching Systems
  • Video-on-Demand Systems
Product Reliability Reports: MAX4355.pdf 
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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