Low-Cost 4x4, 8x4, 8x8 Video Crosspoint Switches

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The MAX4359/MAX4360/MAX4456 low-cost video crosspoint switches are designed to reduce component count, board space, design time, and system cost. Each contains a matrix of T-switches that connect any of their four (MAX4359) or eight (MAX4360/MAX4456) video inputs to any of their buffered outputs, in any combination. Each matrix output is buffered by an internal, high-speed (250V/µs), unity-gain amplifier that is capable of driving 400Ω and 20pF at 2.6VP-P. For applications requiring increased drive capability, buffer the MAX4359/MAX4360/MAX4456 outputs with the MAX4395 quad, operational amplifier.

The MAX4456 has a digitally controlled 8x8 switch matrix and is a low-cost pin-for-pin compatible alternative to the popular MAX456. The MAX4359/MAX4360 are similar to the MAX4456, with the 8x8 switch matrix replaced by a 4x4 (MAX4359) or an 8x4 (MAX4360) switch matrix.

Three-state output capability and internal, programmable active loads make it feasible to parallel multiple devices to form larger switch arrays. The inputs and outputs are on opposite sides, and a quiet power supply or digital input line separates each channel, which reduces crosstalk to -70dB at 5MHz. For applications demanding better DC specifications, see the MAX456 8x8 video crosspoint switch.
MAX4359, MAX4360, MAX4456: Typical Operating Circuit MAX4359, MAX4360, MAX4456: Typical Operating Circuit Enlarge+

Key Features

  • Eight (MAX4456) or Four (MAX4359/MAX4360) Internal Buffers
    • 250V/µs Slew Rate
    • Three-State Output Capability
    • Power-Saving Disable Feature
    • 65MHz -3dB Bandwidth
  • Routes Any Input Channel to Any Output Channel
  • Serial or Parallel Digital Interface
  • Expandable for Larger Switch Matrices
  • 80dB All-Channel Off-Isolation at 5MHz
  • 70dB Single-Channel Crosstalk
  • Straight-Through Pinouts Simplify Layout
  • Low-Cost Pin-Compatible Alternative to MAX456 (MAX4456)


  • High-Speed Signal Routing
  • Security Systems
  • Video Conferencing
  • Video Test Equipment
  • Video-on-Demand Systems

See parametric specs for Video Muxes and Crosspoints (Buffered) (8)

Part NumberInputsOutputsBW
(@ -3dB)(Dual)
MAX4359 44355
MAX4360 8

Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Technical Documents

App Note 5299 Selecting the Right CMOS Analog Switch
Product Reliability Reports: MAX4359.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.

Quality Management System >
Environmental Management System >


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