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Linear Technology Electronic Components Datasheet

LT6558 Datasheet

Single Supply Triple Video Amplifier

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LT6558
550MHz, 2200V/µs Gain of 1,
Single Supply Triple Video
Amplifier with Input Bias Control
FEATURES
DESCRIPTION
–3dB Small-Signal Bandwidth: 550MHz
–3dB 2VP-P Large-Signal Bandwidth: 400MHz
Slew Rate: 2200V/µs
Fixed Gain of 1, No External Resistors Required
AC Coupling with Programmable DC Input Bias
Output Swings to 0.8V of Supply Rails
www.DaFtualSlhVeiedt4eUo.cSowming with 5V Single Supply
Differential Gain: 0.02%
Differential Phase: 0.02°
Enable/Shutdown Pin
High Output Current: ±90mA
Supply Range: 3V to 7.5V
Operating Temperature Range: –40°C to 85°C
Available in 16-Lead SSOP and 5mm × 3mm DFN
Packages
APPLICATIONS
LCD Video Projectors
RGB HD Video Amplifiers
Coaxial Cable Drivers
Low Supply ADC Drivers
The LT®6558 is a high speed triple video amplifier with an
internal fixed gain of 1 and a programmable DC input bias
voltage. This amplifier features a 400MHz 2VP-P signal
bandwidth, 2200V/µs slew rate and a unique ability to drive
heavy output loads to 0.8V of the supply rails, making the
LT6558 ideal for a single 5V supply, wideband video applica-
tion. With just one resistor, the inputs of all three amplifiers
can be programmed to a common voltage level, simplifying
and reducing the need for external circuitry in AC-coupled
applications. Without the programming resistor, the input
bias circuit becomes inactive, allowing the use of an external
clamp circuit or direct coupled input.
The LT6558 has separate power supply and ground pins for
each amplifier to improve channel separation and to ease
power supply bypassing. The LT6558 provides uncom-
promised performance in many high speed applications
where a low voltage, single supply is required.
The LT6558 is available in 16-lead SSOP and 5mm × 3mm
DFN packages.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
AC-Coupled Triple Video Driver
EN
GND
22µF
IN R
IN R
GND R
22µF
IN G
IN G
GND G
22µF
IN B
IN B
GND B
LT6558
+
+
+
BCV
V+
OUT R
V+ R
5V
220µF
5V
158
RL*
OUT G
V+ G
220µF
5V
RL*
OUT B
220µF
V+ B 5V
6558 TA01a
RL*
*50OR GREATER FOR RL
Fast Large-Signal Transient Response
5
VS = 5V
VIN = 2VP-P
4 RL = 150
3
2
1
0
–10 –8 –6 –4 –2 0 2 4 6 8 10
TIME (ns)
6558 TA01b
6558f
1


Linear Technology Electronic Components Datasheet

LT6558 Datasheet

Single Supply Triple Video Amplifier

No Preview Available !

LT6558
ABSOLUTE MAXIMUM RATINGS (Note 1)
Total Supply Voltage (VS+ to GND)...........................7.5V
Input Current........................................................±10mA
Output Current (Note 2) .......................................±90mA
Output Short-Circuit Duration (Note 2) ............ Indefinite
Operating Temperature Range (Note 3) ... –40°C to 85°C
Specified Temperature Range (Note 4) .... –40°C to 85°C
Junction Temperature
SSOP ................................................................ 150°C
DFN................................................................... 125°C
Storage Temperature Range
SSOP ................................................. –65°C to 150°C
DFN.................................................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP ................................................................ 300°C
wwwP.DAataCSKheeAt4GU.cEom/ORDER INFORMATION
EN 1
GND 2
IN R 3
GND R 4
IN G 5
GND G 6
IN B 7
GND B 8
TOP VIEW
16 BCV
G = +1 15 V+
14 OUT R
G = +1 13 V+ R
12 OUT G
G = +1 11 V+ G
10 OUT B
9 V+ B
GN PACKAGE
16-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 110°C/W
TOP VIEW
EN 1
GND 2
IN R 3
GND R 4
IN G 5
GND G 6
IN B 7
GND B 8
17 16 BCV
G = +1 15 V+
14 OUT R
G = +1 13 V+ R
12 OUT G
G = +1 11 V+ G
10 OUT B
9 V+ B
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 40°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
GN PART MARKING
ORDER PART NUMBER DHC PART MARKING*
LT6558CGN
LT6558IGN
6558
6558I
LT6558CDHC
LT6558IDHC
6558
6558
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = 5V, RL = 150Ω to VS/2, VEN = 0.4V, RBCV = open, unless
otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
VOS Input Offset Voltage
VIN = 2.5V
12 45
15 55
IIN Input Current
VIN = 2.5V
35 70
45 100
RIN Input Resistance
VIN = 2V to 3V, BCV (Pin 16) Open
200
150
450
400
CIN Input Capacitance
f = 1MHz
1.4
UNITS
mV
mV
µA
µA
kΩ
kΩ
pF
6558f
2


Part Number LT6558
Description Single Supply Triple Video Amplifier
Maker Linear Technology
Total Page 12 Pages
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