Datasheet LT6558 (Analog Devices)

制造商Analog Devices
描述550MHz, 2200V/µs Gain of 1, Single Supply Triple Video Amplifier with Input Bias Control
页数 / 页12 / 1 — FEATURES. DESCRIPTION. –3dB Small-Signal Bandwidth: 550MHz. –3dB 2VP-P …
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FEATURES. DESCRIPTION. –3dB Small-Signal Bandwidth: 550MHz. –3dB 2VP-P Large-Signal Bandwidth: 400MHz. Slew Rate: 2200V/µs

Datasheet LT6558 Analog Devices

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LT6558 550MHz, 2200V/µs Gain of 1, Single Supply Triple Video Amplifi er with Input Bias Control
FEATURES DESCRIPTION

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