LT6551 - 3.3V Triple and Quad Video Amplifiers


  • Single Supply Operation from 3V to 12.6V
  • Small (3mm x 5mm) MSOP 10-Lead Package
  • Internal Resistors for a Gain of Two
  • 340V/µs Slew Rate
  • 110MHz –3dB Bandwidth
  • 30MHz Flat to 0.25dB
  • 3% Settling Time: 20ns
  • Input Common Mode Range Includes Ground
  • Rail-to-Rail Output
  • High Output Drive: 60mA
  • Operating Temperature Range: –40°C to 85°C
  • 24-Bit RGB

Typical Application

LT6551 Typical Application
LT6551 Typical Application


The LT6550/LT6551 are 3.3V triple and quad high speed video amplifiers. These voltage feedback amplifiers drive double terminated 50 Ohm or 75 Ohm cables and are configured for a fixed gain of 2, eliminating six or eight external gain setting resistors. The LT6550/LT6551 feature 110MHz –3dB bandwidth, high slew rates and fast settling, making them ideal for RGB video processing.

The LT6551 quad is designed for single supply operation and the LT6550 triple can be used on either single or split supplies. On a single 3.3V supply, the input voltage range extends from ground to 1.55V and the output swings to within 400mV of the supply voltage while driving a 150 Ohm load. These features, combined with the ability to accept RGB video signals without the need for AC coupling or level shifting of the incoming signals, make the LT6550/LT6551 an ideal choice for low voltage video applications.

Both the LT6550 and LT6551 are available in the small 10-Pin MSOP package and utilize a flow-thru pin out. The small footprint results in a compact high performance video amplifier solution.


CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.

For complete and up to date package information and drawings, please refer to our packaging page

Part Number Package Code Temp Package
LT6551CMS#PBF MS-10 MS C 05-08-1661 Yes
LT6551CMS#TRPBF MS-10 MS C 05-08-1661 Yes
LT6551IMS#PBF MS-10 MS I 05-08-1661 Yes
LT6551IMS#TRPBF MS-10 MS I 05-08-1661 Yes

LT6551 Package Drawing
LT6551 Package Drawing

Order Info

  • Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
  • Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
  • Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number Package Temp Price
LT6551CMS#PBF MS-10 C $2.80 $1.95 Yes
LT6551CMS#TRPBF MS-10 C $2.01 Yes
LT6551IMS#PBF MS-10 I $3.55 $2.45 Yes
LT6551IMS#TRPBF MS-10 I $2.51 Yes
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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 Linear Technology sales office or authorized distributor.

Demo Boards

Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

Part Number Description Price Documentation
DC866A LT6551CMS | VIDEO LINE DRIVER, V+ = 4.5V -12V $75.00
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Click here to view our complete list of demo boards


  • Automotive Displays
  • LCD and CRT Compatible
  • RGB Amplifiers
  • Coaxial Cable Drivers
  • Low Voltage High Speed Signal Processing
  • Set Top Boxes

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