MAX4357

32 x 16 Nonblocking Video Crosspoint Switch with I/O Buffers


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Description

The MAX4357 is a 32 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, three-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 MAX4357 is available in a 128-pin TQFP package and specified over an extended -40°C to +85°C temperature range.
MAX4357: Typical Operating Circuit MAX4357: Typical Operating Circuit Enlarge+

Key Features

  • 32 x 16 Nonblocking Matrix with Buffered Inputs and Outputs
  • Operates from a ±3V, ±5V, or +5V Supply
  • Each Output Individually Addressable
  • Individually Programmable Output Buffer Gain (AV = +1V/V or +2V/V)
  • High-Impedance Output Disable for Wired-OR Connections
  • 0.1dB Gain Flatness to 12MHz
  • Minimum -62dB Crosstalk, -110dB Isolation at 6MHz
  • 0.05%/0.1° Differential Gain/Differential Phase Error
  • Low 220mW Power Consumption (0.43mW per Point)

Applications/Uses

  • Security Systems
  • Video Routing and Switching Systems
  • Video-on-Demand Systems

Technical Documents

App Note 5299 Selecting the Right CMOS Analog Switch
App Note 795 Designing Large Video-Crosspoint Systems Just Got Easier

Quality and Environmental Data

Request Reliability Report for: MAX4357 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

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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