LT6554 - 650MHz Gain of 1 Triple Video Buffer

Features

  • 650MHz -3dB Small Signal Bandwidth
  • 400MHz -3dB 2VP-P Large Signal Bandwidth
  • 100MHz ±0.1dB Bandwidth
  • High Slew Rate: 2500V/µs
  • Fixed Gain of 1 Requires No External Resistors
  • 90dB Channel Separation at 10MHz
  • 60dB Channel Separation at 100MHz
  • -82dBc 2nd Harmonic Distortion at 10MHz, 2VP-P
  • -96dBc 3rd Harmonic Distortion at 10MHz, 2VP-P
  • Low Supply Current: 8mA per Amplifier
  • 6ns 0.1% Settling Time for 2V Step
  • TTL Compatible Enable: ISS ≤ 100µA When Disabled
  • Differential Gain of 0.022%, Differential Phase of 0.006°
  • Wide Supply Range: ±2.25V (4.5V) to ±6V (12V)
  • Available in 16-Lead SSOP Package

Typical Application

LT6554 Typical Application
LT6554 Typical Application

Description

The LT6554 is a high-speed triple video buffer with an internally fixed gain of 1. The individual buffers are optimized for performance with a 1k load and feature a 2VPP full signal bandwidth of 400MHz, making them ideal for driving very high-resolution video signals. Separate power supply pins for each amplifier boost channel separation to 90dB, allowing the LT6554 to excel in many high speed applications.

While the performance of the LT6554 is optimized for dual supply operation, it can also be used on a single supply as low as 4.5V. Using dual 5V supplies, each amplifier draws only 8mA. When disabled, the amplifiers draw less than 100µA and the outputs become high impedance. Furthermore, the amplifiers are capable of turning on in less than 50ns, making them suitable for multiplexing and portable applications.

The LT6554 is manufactured on Linear Technology's proprietary low voltage complementary bipolar process and is available in the 16-lead SSOP package that fits in the same PCB area as an SO-8 package.

Packaging

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
Drawing
RoHS
LT6554CGN#PBF SSOP-16 GN C 05-08-1641 (GN16) Yes
LT6554CGN#TRPBF SSOP-16 GN C 05-08-1641 (GN16) Yes
LT6554IGN#PBF SSOP-16 GN I 05-08-1641 (GN16) Yes
LT6554IGN#TRPBF SSOP-16 GN I 05-08-1641 (GN16) Yes


LT6554 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
(1-99)
Price
(1k)*
RoHS
LT6554CGN#PBF SSOP-16 C $2.80 $2.50 Yes
LT6554CGN#TRPBF SSOP-16 C $2.56 Yes
LT6554IGN#PBF SSOP-16 I $3.35 $3.00 Yes
LT6554IGN#TRPBF SSOP-16 I $3.06 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
DC794A LT6554CGN | Triple High Speed Video Buffer, V+ = 3.3V to 5V, V- = -3.3V to -5V $75.00
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Click here to view our complete list of demo boards

Applications

  • RGB Buffers
  • A/D Drivers
  • LCD Projectors

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Design Tools

LTspice

LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice

Models for the following parts are available in LTspice:
LT6554

Technical Support