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LT6555, LT6555CGN, LT6555CGNPBF

Table of contents:
Info of LT6555
Info of LT6555CGN
Info of LT6555CGNPBF

LT6555, LT6555CGN, LT6555CGNPBF Selling Leads, Datasheet

MFG: LT Package Cooled:QFN D/C:09+

LT6555, LT6555CGN, LT6555CGNPBF Datasheet download

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Part Number: LT6555

MFG: LT

Package Cooled: QFN

D/C: 09+

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LT6555 General Description

The LT®6555 is a high speed triple 2:1 video multiplexer with an internally fixed gain of 2. The individual amplifiers
are optimized for performance with a double terminated 75Ω video load and feature a 3dB 2VP-P bandwidth of 450MHz, making them ideal for driving very high resolution video signals. Separate power supply pins for each
amplifier boost channel separation to 72dB, allowing the LT6555 to excel in many high speed applications.

While the performance of the LT6555 is optimized for dual supply operation, it can also be operated with a single
supply as low as 4.5V. Using dual 5V supplies, each amplifier draws only 9mA. When disabled, the amplifiers draw less than 500µA and the outputs become high impedance.

The LT6555 is manufactured on Linear Technology's proprietary low voltage complementary bipolar process
and is available in 24-lead SSOP and ultra-compact 24-lead QFN packages.

LT6555 Maximum Ratings

Total Supply Voltage (V+ to V) ............................ 12.6V
Input Current (Note 2) ........................................ ±10mA
Output Current (Continuous) ............................. ±70mA
EN to DGND Voltage (Note 2) ................................. 5.5V
SEL to DGND Voltage (Note 2) .................................. 8V
Output Short-Circuit Duration (Note 3) ............ Indefinite
Operating Temperature Range (Note 4) ... 40°C to 85°C
Specified Temperature Range (Note 5) .... 40°C to 85°C
Junction Temperature
SSOP ................................................................ 150°C
QFN .................................................................. 125°C
Storage Temperature Range
SSOP ................................................. 65°C to 150°C
QFN ................................................... 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP ................................................................ 300°C

LT6555 Features

650MHz 3dB Small Signal Bandwidth
450MHz 3dB 2VP-P Large-Signal Bandwidth
120MHz ±0.1dB Bandwidth
High Slew Rate: 2200V/µs
Fixed Gain of 2; No External Resistors Required
72dB Channel Separation at 10MHz
50dB Channel Separation at 100MHz
80dBc 2nd Harmonic Distortion at 10MHz, 2VP-
70dBc 3rd Harmonic Distortion at 10MHz, 2VP-P
Low Supply Current: 9mA per Amplifier
6.5ns 0.1% Settling Time for 2V Step
ISS 500µA per Amplifier when Disabled
Differential Gain of 0.033%, Differential Phase of 0.022°
Wide Supply Range: ±2.25V (4.5V) to ±6V (12V)
Available in 24-Lead SSOP and 24-Lead QFN Packages

LT6555 Typical Application

RGB Amplifiers
UXGA Video Multiplexing
LCD Projectors

LT6555 Connection Diagram

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