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AD8178:  450 MHZ, TRIPLE 16 × 5 VIDEO CROSSPOINT SWITCH

The AD8178 is a high speed, triple 16 × 5 video crosspoint switch matrix. It supports 1600 × 1200 RGB displays @ 85 Hz refresh rate, by offering a 450 MHz bandwidth and a slew rate of 1650 V/μs. With −82 dB of crosstalk and −90 dB isolation (@ 5 MHz), the AD8178 is useful in many high speed video applications.

The AD8178 supports two modes of operation: differential-in to ...More

AD8178:  450 MHZ, TRIPLE 16 × 5 VIDEO CROSSPOINT SWITCH

Product Description

The AD8178 is a high speed, triple 16 × 5 video crosspoint switch matrix. It supports 1600 × 1200 RGB displays @ 85 Hz refresh rate, by offering a 450 MHz bandwidth and a slew rate of 1650 V/μs. With −82 dB of crosstalk and −90 dB isolation (@ 5 MHz), the AD8178 is useful in many high speed video applications.

The AD8178 supports two modes of operation: differential-in to differential-out mode with sync-on CM signaling passed through the switch and differential-in to differential-out mode with CM signaling removed through the switch. The output CM and black level can be conveniently set via external pins.

The outputs can be used single-ended in conjunction with decoded H and V outputs to drive a monitor directly.

The independent output buffers of the AD8178 can be placed into a high impedance state to create larger arrays by paralleling crosspoint outputs. Inputs can be paralleled as well. The AD8178 offers both serial and a parallel programming modes.

The AD8178 is packaged in a fully-populated 26 × 26 ball PBGA package and is available over the extended industrial temperature range of −40°C to +85°C.

Applications

  • RGB video switching
  • KVM
  • Professional video

    • Data Sheet, Rev. 0, 7/07

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    • Large, triple 16 × 5 high speed, nonblocking switch array
    • Pin compatible with AD8175, AD8176 (16 × 9 switch arrays) and AD8177 (16 × 5 switch array)
    • Differential or single-ended operation
    • Supports sync-on common-mode and sync-on color operating modes
    • RGB and HV outputs available for driving monitor directly
    • G = +4 operation (differential input to differential output)
    • Flexible power supplies: +5 V or ±2.5 V Logic ground for convenient control interface
    • Serial or parallel programming of switch array
    • High impedance output disable allows connection of multiple devices with minimal loading on output bus
    • Adjustable output CM and black level through external pins
    • Excellent ac performance Bandwidth: 450 MHz Slew rate: 1650 V/μs Settling time: 4 ns to 1% to support 1600 × 1200 @ 85Hz
    • Low power of 2.3 W
    • Type: Triple 16 x 5
    • Output Buffer: Yes G = 4
    • Supply Voltage (V): ±2.5V
    • Output Swing (V): ±2V
    • Small Signal BW (MHz): 450MHz
    • Slew Rate (V/us): 1650
    • Cross Talk @ 10 MHz (-dB): 74
    • Control Interface: Serial/Parallel

    Functional Block Diagram for AD8178

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.