LT6552
3.3V Single Supply
Video Difference Amplifier
FEATURES
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DESCRIPTIO
Differential or Single-Ended Gain Block
Wide Supply Range 3V to 12.6V
Output Swings Rail-to-Rail
Input Common Mode Range Includes Ground
600V/碌s Slew Rate
鈥?dB Bandwidth = 75MHz, A
V
=
鹵2
CMRR at 10MHz: >60dB
Specified on 3.3V, 5V and
鹵5V
Supplies
High Output Drive:
鹵70mA
Power Shutdown to 300碌A(chǔ)
Operating Temperature Range: 鈥?0擄C to 85擄C
Available in 8-Lead SO and
Tiny 3mm x 3mm x 0.8mm DFN Packages
The LT
廬
6552 is a video difference amplifier optimized for
low voltage single supply operation. This versatile ampli-
fier features uncommitted high input impedance (+) and
(鈥? inputs and can be used in differential or single-ended
configurations. A second set of inputs gives gain adjust-
ment and DC control to the differential amplifier.
On a single 3.3V supply, the input voltage range extends
from ground to 1.3V and the output swings from ground
to 2.9V while driving a 150鈩?load. The LT6552 features
75MHz 鈥?3dB bandwidth, 600V/碌s slew rate, and
鹵70mA
output current making it ideal for driving cables directly.
The LT6552 maintains its performance for supplies from
3V to 12.6V and is fully specified at 3.3V, 5V and
鹵5V
supplies. The shutdown feature reduces power dissipa-
tion to less than 1mW and allows multiple amplifiers to
drive the same cable.
The LT6552 is available in the 8-lead SO package as well
as a tiny, dual fine pitch leadless package (DFN). The
device is specified over the commercial and industrial
temperature ranges.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
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Differential to Single-Ended Conversion
Video Line Driver
Automotive Displays
RGB Amplifiers
Coaxial Cable Drivers
Low Voltage High Speed Signal Processing
TYPICAL APPLICATIO
Cable Sense Amplifier for Loop Through
Connections with DC Adjust
COMMON MODE REJECTION RATIO (dB)
Input Referred CMRR vs Frequency
100
90
80
70
60
50
40
30
20
10
100k
1
10
FREQUENCY (MHz)
100
6552 TA01b
V
IN
5V
CABLE
V
DC
3
2
V
S
= 5V, 0V
V
CM
= 0V DC
1
REF
8
FB
+
鈥?/div>
LT6552
7
4
R
F
500鈩?/div>
6
75鈩?/div>
V
OUT
75鈩?/div>
R
G
500鈩?/div>
C
F
8pF
6552 TA01a
U
6552f
U
U
1
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