MAX4359, MAX4360, MAX4456 低成本4

MAX4359, MAX4360, MAX4456 低成本4x4、8x4、8x8视频交叉点开关

The MAX4359/MAX4360/MAX4456 low-cost video cross-point 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 2.6V_P-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关键特性

• 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)

MAX4360应用/使用

高速信号路由
	安全系统
	视频会议
	视频测试设备
	视频点播系统

交叉点低成本视频Videocross

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