Enhanced VGA Port Protector

Fully Integrated VGA Port Protector Saves Space and Reduces Cost in Portable Applications

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The MAX14895E integrates level-translating buffers and features RED, GRN, and BLU (RGB) port protection for VGA signals.

The device has horizontal sync (SYNCH_) and vertical synch (SYNCV_) translating buffers that convert low-level CMOS inputs from a graphics controller to meet full 5V, TTL-compatible outputs. Each output can drive ±10mA and meets the VESASM specification. In addition, the device translates the direct digital control (DDC) signals to a lower level that is safe for the graphics controller.

The device features both EN and active-low EN inputs, accepting active-high or active-low enable inputs. The device also switches and current limits the 5V supply to a VGA connector or monitor.

The RED, GRN, and BLU terminals protect graphics controller outputs against electrostatic discharge (ESD) events. All eight outputs and active-low EN have high-level ESD protection.

The MAX14895E is specified over the extended -40°C to +85°C temperature range and is available in a 16-pin, 3mm x 3mm TQFN package with exposed pad.
MAX14895E: Typical Operating Circuit MAX14895E: Typical Operating Circuit Enlarge+

Key Features

  • Saves Power in Portable Applications
    • Low Quiescent Supply Current: 430µA (typ)
  • Eliminates Need for Costly External Components
    • High-ESD Protection on SDA1, SCL1, SYNCH1, SYNCV1, RED, GRN, BLU, Active-Low EN, VS
    • ±15kV Human Body Model (HBM)
    • ±8kV IEC 61000-4-2 Contact Discharge
  • Innovative Design Enables a High Level of Integration for Performance
    • Output Current-Limit Switch with Power-Off Protection
    • Low Capacitance on RGB Ports (2.2pF typ)
    • ±10mA Drive on SYNCH1, SYNCV1
  • Fully Integrated Solutions Saves Space in Portable Applications
    • DDC Outputs have Internal Pullups
    • 3mm x 3mm, 16-Pin TQFN Package


  • Desktops
  • Graphics Cards
  • Notebook Computers
  • Servers

See parametric specs for Switches and Multiplexers (Mid and High Voltage) (299)

Part NumberProtocolVSUPPLY (Single)
VSUPPLY (Single)
MAX14895E VGA4.755.5552.2

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.

MAX14895EEVKIT: Evaluation Kit for the MAX14895E
Product Reliability Reports: MAX14895E.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.

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