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LT6553 Datasheet, PDF (1/8 Pages) Linear Technology – 650MHz Gain of 2 Triple Video Amplifier | |||
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FEATURES
s 650MHz â3dB Small Signal Bandwidth
s 400MHz â3dB 2VP-P Large Signal Bandwidth
s 150MHz ±0.1dB Bandwidth
s High Slew Rate: 2500V/µs
s Fixed Gain of 2 Requires No External Resistors
s â75dB Channel Separation at 10MHz
s â50dB Channel Separation at 100MHz
s â77dB 2nd Harmonic Distortion at 10MHz, 2VP-P
s â73dB 3rd Harmonic Distortion at 10MHz, 2VP-P
s Low Supply Current: 8mA per Amplifier
s 6ns 0.1% Settling Time for 2V Step
s TTL Compatible Enable ISS ⤠100µA when Disabled
s Differential Gain of 0.01%, Differential Phase of 0.01°
s Wide Supply Range: ±2.25V (4.5V) to ±6V (12V)
s Available in 16-Lead SSOP Package
U
APPLICATIO S
s RGB Amplifiers
s Coaxial Cable Drivers
s LCD Projectors
Final Electrical Specifications
LT6553
650MHz Gain of 2
Triple Video Amplifier
DESCRIPTIO
December 2003
The LT®6553 is a high-speed triple video amplifier with an
internally fixed gain of 2. The individual amplifiers are
optimized for performance with a double terminated 75â¦
video load and feature a 2VPâP full signal bandwidth of
400MHz, making them ideal for driving very high-resolu-
tion video signals. Separate power supply pins for each
amplifier boost channel separation to 75dB, allowing the
LT6553 to excel in many high-speed applications.
While the performance of the LT6553 is optimized for dual
supply operation, it can also be used on a single supply as
small as 4.5V. Using dual 5V supplies, each amplifier
draws only 8mA. When disabled, the amplifiers draw less
than 100µA and the EN pin and output pins become high
impedance. Furthermore, the amplifiers are capable of
turning on in less than 50ns, making them ideal for spread
spectrum and portable applications.
The LT6553 is manufactured on Linear Technologyâs
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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Triple Video Line Driver
5V
1
16
2
LT6553
15
3
RIN
75â¦
4
5
GIN
75â¦
6
BIN
75â¦
7
8
â5V
370â¦
+
â
370â¦
370â¦
370â¦
370â¦
â
+
370â¦
â
+
14 75â¦
13
â5V
12 75â¦
11
5V
10 75â¦
9 â5V
75â¦
75â¦
75â¦
6553 TA01a
Large Signal Transient Response
1.5 VIN = 1VPâP
VS = ±5V
1.0 RL = 15Oâ¦
TA = 25°C
0.5
0
â0.5
â1.0
â1.5
0 2 4 6 8 10 12 14 16 18 20
TIME (ns)
6553 TA01b
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
6553i
1
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