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LT1675 - LT1675是250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers

LT1675是LINEAR凌力尔特公司的一款视频功能产品，LT1675是LT1675是250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers，本站介绍了LT1675的封装应用图解、特点和优点、功能等，并给出了与LT1675相关的LINEAR元器件型号供参考。

LT1675 - LT1675是250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers - 视频功能 - 信号调理 - 凌力尔特

LT1675 - 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers

LT1675 - 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers - Linear Technology（凌力尔特）

功能描述

The LT1675 is a high speed RGB multiplexer designed for pixel switching and fast workstation graphics. Included on chip are three SPDT switches and three current feedback amplifiers. The current feedback amplifiers drive double-terminated 50 Ohm or 75 Ohm cables and are configured for a fixed gain of 2, eliminating six external gain setting resistors. The SPDT switches are designed to be break-before-make to minimize unwanted signals coupling to the input.

The LT1675-1 is a single version with two inputs, a single output and is ideal for a single channel application such as video sync.

The key to the LT1675 fast switching speed is Linear Technology's proprietary high speed bipolar process. This MUX can toggle between sources in excess of 100MHz, has a slew rate over 1000V/μs and has a -3dB bandwidth of 250MHz. Power supply requirements are ±4V to ±6V and power dissipation is only 300mW on ±5V, or 100mW for the LT1675-1. The expandable feature uses the disable pin to reduce the power dissipation to near 0mW in the off parts.

Unlike competitive solutions that are in bulky high pin count packages, the LT1675 is in a 16-lead narrow body SSOP. This small footprint, the size of an SO-8, results in a very clean high performance solution. The LT1675-1 is available in the tiny MSOP and the SO-8.

特点

100MHz Pixel Switching

-3dB Bandwidth: 250MHz

Channel Switching Time: 2.5ns

Expandable to Larger Arrays

Drives Cables Directly

High Slew Rate: 1100V/μs

Low Switching Transient: 50mV

Shutdown Supply Current: 100μA

Output Short-Circuit Protected

Available in Small 16-Pin SSOP Package

应用

RGB Switching

Workstation Graphics

Pixel Switching

Coaxial Cable Drivers

High Speed Signal Processing

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)
LT1675CGN	SSOP-16	C	$3.95	$3.25
LT1675CGN#PBF	SSOP-16	C	$3.95	$3.25
LT1675CGN#TR	SSOP-16	C		$3.42
LT1675CGN#TRPBF	SSOP-16	C		$3.42
LT1675CMS8-1	MS-8	C	$2.55	$2.15
LT1675CMS8-1#PBF	MS-8	C	$2.55	$2.15
LT1675CMS8-1#TR	MS-8	C		$2.21
LT1675CMS8-1#TRPBF	MS-8	C		$2.21
LT1675CS8-1	SO-8	C	$2.30	$1.95
LT1675CS8-1#PBF	SO-8	C	$2.30	$1.95
LT1675CS8-1#TR	SO-8	C		$2.01
LT1675CS8-1#TRPBF	SO-8	C		$2.01

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