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LT6557 - LT6557是具输入偏置控制功能、增益为 2、500MHz、2200V/μs 的单电源三路视频放大器

LT6557是LINEAR凌力尔特公司的一款高速放大器产品，LT6557是LT6557是具输入偏置控制功能、增益为 2、500MHz、2200V/μs 的单电源三路视频放大器，本站介绍了LT6557的封装应用图解、特点和优点、功能等，并给出了与LT6557相关的LINEAR元器件型号供参考。

LT6557 - LT6557是具输入偏置控制功能、增益为 2、500MHz、2200V/μs 的单电源三路视频放大器 - 高速放大器 - 信号调理 - 凌力尔特

LT6557 - 具输入偏置控制功能、增益为 2、500MHz、2200V/μs 的单电源三路视频放大器

LT6557 - 具输入偏置控制功能、增益为 2、500MHz、2200V/μs 的单电源三路视频放大器 - Linear Technology（凌力尔特）

功能描述

The LT6557 is a high speed triple video ampli?er with an internal ?xed gain of 2 and a programmable DC input bias voltage. This ampli?er 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 LT6557 ideal for a single 5V supply, wideband video application. With just one resistor, the inputs of all three ampli? ers can be programmed to a common voltage level, simplifying and reducing the need for external circuitry in the AC-coupled applications. Without the programmable resistor, the input bias circuit becomes inactive, allowing the use of an external clamp circuit or direct coupled input.

The LT6557 has separate power supply and ground pins for each ampli? er to improve channel separation and to ease power supply bypassing. The LT6557 provides uncompromised performance in many high speed applications where a low voltage, single supply is required.

The LT6557 is available in 16-lead SSOP and 5mm × 3mm DFN packages.

特点

3dB Small-Signal Bandwidth: 500MHz

3dB 2VP-P Large-Signal Bandwidth: 400MHz

Slew Rate: 2200V/μs

Fixed Gain of 2, No External Resistors Required

AC Coupling with Programmable DC Input Bias

Output Swings to 0.8V of Supply Rails

Full Video Swing with 5V Single Supply

Diff Gain: 0.05%

Diff Phase: 0.05°

Shutdown Pin

High Output Current: ±100mA

Supply Range: 3V to 7.5V

Operating Temperature Range: 40°C to 85°C

Available in 16-Lead SSOP and 5mm × 3mm DFN Packages

应用

LCD Video Projectors

RGB HD Video Ampli?ers

Coaxial Cable Drivers

Low Supply ADC Drivers

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT6557CDHC	5x3 DFN-16	C	$3.57	$2.50
LT6557CDHC#PBF	5x3 DFN-16	C	$3.57	$2.50
LT6557CDHC#TR	5x3 DFN-16	C		$2.55
LT6557CDHC#TRPBF	5x3 DFN-16	C		$2.55
LT6557CGN	SSOP-16	C	$3.57	$2.50
LT6557CGN#PBF	SSOP-16	C	$3.57	$2.50
LT6557CGN#TR	SSOP-16	C		$2.55
LT6557CGN#TRPBF	SSOP-16	C		$2.55
LT6557IDHC	5x3 DFN-16	I	$4.29	$3.00
LT6557IDHC#PBF	5x3 DFN-16	I	$4.29	$3.00
LT6557IDHC#TR	5x3 DFN-16	I		$3.05
LT6557IDHC#TRPBF	5x3 DFN-16	I		$3.05
LT6557IGN	SSOP-16	I	$4.29	$3.00
LT6557IGN#PBF	SSOP-16	I	$4.29	$3.00
LT6557IGN#TR	SSOP-16	I		$3.05
LT6557IGN#TRPBF	SSOP-16	I		$3.05

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LT6558 - 550MHz, 2200V/μs Gain of 1, Single Supply Triple Video Amplifier with Input Bias Control

LT6554 - 650MHz Gain of 1 Triple Video Buffer

LTC6404-1 - 600MHz、低噪声、高精准全差分输入/输出放大器/驱动器

LTC6417 - 具快速箝位的 1.6GHz 低噪声、高线性度、差分缓冲器 / 16 位 ADC 驱动器

LT6555 - 650MHz Gain of 2 Triple 2:1Video Multiplexer

LT5400 - 四个匹配的电阻器

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