Overview

Features and Benefits

  • Design Flexibility
    • Graphics Controller Port is Protected when VCC = 0V
    • DDC Switches Limit Voltage to Low-Voltage Supply
    • Internal +2.5V Regulator
  • High Level of Integration for Enhanced Performance
    • Low 5.5pF (typ) RGB Capacitance
    • 2.0ns (typ) tR/tF with 10pF, 2.2kΩ Load on Monitor-Side SYNC Signals
    • Source and Sink 8mA While Meeting Speed Requirements
    • ±11kV Human Body Model (HBM)
  • Saves Space on Board
    • Internal Power Switches
      • Pass +5V with 300mV (max) IR Drop
      • Short-Circuit/Thermal/Reverse-Current Protection
    • 5mm x 5mm, 32-Pin TQFN Package

Product Details

The MAX14983E integrates high-bandwidth analog switches, level-translating buffers, and 5V power switches to implement a complete 1:2 multiplexer for VGA monitors. The device switches graphics signals between a controller and two outputs. Integrated pullup resistors (2.2kΩ typ) are provided on the monitor-side display data channel (DDC) signal lines.

The device features a simple power interface that operates with a single +5V supply input. Two integrated power switches with current limiting and reverse-current protection pass the +5V supply to external loads with minimal voltage drop.

The horizontal and vertical synchronization (HSYNC/VSYNC) buffers shift logic levels to support +2.5V to +5.0V CMOS or TTL-compatible graphics controllers while meeting the VESA drive capability requirement of ±8mA. An internal 2.5V regulator translates the DDC voltage levels to be compatible with low-voltage graphics controllers.

The device also features monitor-detect outputs and enable inputs that allow monitor switching to operate either automatically or with inputs from the graphics controller. The MAX14983E is available in a 32-pin (5mm x 5mm) TQFN package, and is specified over the -40°C to +85°C extended temperature range.

Applications

  • Computing
  • Graphics Cards
  • KVM Switches
  • Servers

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Product Recommendations

MAX14983E Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.