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AD8134:  Triple Differential Driver With Sync-On-Common-Mode

Product Details


The AD8134 is a major advancement beyond using discrete op amps for driving differential RGB signals over twisted pair cable. The AD8134 is a triple, low cost differential or single-ended input to differential output driver, and each amplifier has a fixed gain of 2 to compensate for the attenuation of the line termination resistors. The AD8134 is specifically designed for RGB signals but can be used for any type of analog signals or high speed data transmission. The AD8134 is capable of driving either Category 5 (Cat-5) unshielded twisted pair (UTP) cable or differential printed circuit board transmission lines with minimal signal degradation.

A unique feature that allows the user to transmit balanced horizontal and vertical video sync signals over the three common-mode channels with minimal electromagnetic interference (EMI) radiation is included on-chip.

The AD8134 is available in a 24-lead LFCSP and can operate over the -40°C to +85°C extended industrial temperature range.

FEATURES and BENEFITS

  • Triple high speed differential driver
    225 MHz, -3 dB large signal bandwidth
    450 MHz, -3 dB small signal bandwidth
    Easily drives 1.4 V p-p video signal into doubly terminated 100 Ω UTP cable
    1600 V/µs slew rate
    Fixed internal gain of 2
  • Internal common-mode feedback network
    Output balance error -60 dB @ 50 MHz
  • On-chip sync-on-common-mode circuitry
  • Output pull-down feature for line isolation
  • Differential input and output
  • Differential-to-differential or single-ended-to-differential operation
  • High isolation between amplifiers: 80 dB @ 10 MHz
  • Low distortion: 64 dB SFDR @ 10 MHz on 5 V supply, RL,dm=200 Ω
  • Low offset: 3 mV typical output-referred on
    5 V supply
  • Low power: 26.5 mA @ 5 V for three drivers and sync circuitry
  • Wide supply voltage range: +5 V to ±5 V
  • Available in space-saving packaging: 4 mm x 4 mm LFCSP

Functional Block Diagram for AD8134

Complete Solutions for Video over UTP Signal Chain

Documentation

Title Content Type File Type
AD8134: Triple Differential Driver With Sync-On-Common Mode Data Sheet (Rev A, 10/2005) (pdf, 448 kB) Data Sheets PDF
Amplifiers for Video Distribution  (pdf, 115 kB) Product Selection Guide PDF
High Speed Amplifiers Selection Table  (pdf, 77 kB) Product Selection Guide PDF
Video Amplifier Products (April 2007)  (pdf, 4117 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

AD8134 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD8134ACPZ-R2 Status: Production 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind Reel, 250 $3.55 $3.55 Y  Material Info PCN Purchase
AD8134ACPZ-REEL Status: Production 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind Reel, 5000 - $2.62 Y  Material Info PCN Purchase
AD8134ACPZ-REEL7 Status: Production 24 ld LFCSP (4x4mm w/2.10mm EP) 24 Ind Reel, 1500 - $2.62 Y  Material Info PCN Purchase Sample
Price Table Help

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.

AD8134 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD8134-EVALZ Status: Production Evaluation Board $143.68 Yes -

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.

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