Datasheet > LMH6581

LMH6581

更新时间： 2024-11-24 04:44:11

品牌	Logo	应用领域
美国国家半导体 - NSC		开关
页数	文件大小	规格书
24页	684K
描述
8x4 500MHz Analog Crosspoint Switch, Gain of 1, Gain of 2

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LMH6581 数据手册

September 2007

LMH6580/LMH6581

8x4 500 MHz Analog Crosspoint Switch, Gain of 1,

Gain of 2

General Description

Features

The LMH^®family of products is joined by the LMH6580 and

the LMH6581, high speed, non-blocking, analog, crosspoint

switches. The LMH6580/LMH6581 are designed for high

speed, DC coupled, analog signals such as high resolution

video (UXGA and higher). The LMH6580/LMH6581 each has

eight inputs and four outputs. The non-blocking architecture

allows any output to be connected to any input, including an

input that is already selected. With fully buffered inputs the

LMH6580/LMH6581 can be impedance matched to nearly

any source impedance. The buffered outputs of the

LMH6580/LMH6581 can drive up to two back terminated

video loads (75Ω load). The outputs and inputs also feature

high impedance inactive states allowing high performance in-

put and output expansion for array sizes such as 8 x 8 or 16

x 4 by combining two devices. The LMH6580/LMH6581 are

controlled with a 4 pin serial interface that can be configured

as a 3 wire interface. Both serial mode and addressed modes

are available.

8 inputs and 4 outputs

■

48-pin TQFP package

−3 dB bandwidth (V_OUT= 2 V_PP, R_L= 1 kΩ)

−3 dB bandwidth (V_OUT= 2 V_PP, R_L= 150Ω)

Fast slew rate

Channel to channel crosstalk (10/100 MHz) −70/ −52 dBc

All hostile crosstalk (10/100 MHz)

Easy to use serial programming

Two programming modes

Symmetrical pinout facilitates expansion.

Output current

500 MHz

450 MHz

2100 V/μs

■

−55/−45 dBc

4 wire bus

Serial & addressed modes

±70 mA

A_V= 1 or A_V= 2

Two gain options

Applications

Studio monitoring/production video systems

Conference room multimedia video systems

KVM (keyboard video mouse) systems

Security/surveillance systems

Multi-antenna diversity radio

■

The LMH6580/LMH6581 come in 48-pin TQFP packages.

They also have diagonally symmetrical pin assignments to

facilitate double sided board layouts and easy pin connec-

tions for expansion.

Video test equipment

Medical imaging

Wide-band routers & switches

Connection Diagram

Block Diagram

30007211

30007202

LMH^®is a registered trademark of National Semiconductor Corporation.

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

300072

www.national.com

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与LMH6581相关器件

型号	品牌	获取价格	描述	数据表
LMH6581VS	NSC	获取价格	8x4 500MHz Analog Crosspoint Switch, Gain of 1, Gain of 2
LMH6581VS/NOPB	TI	获取价格	8-CHANNEL, CROSS POINT SWITCH, PQFP48, LEAD FREE, TQFP-48
LMH6581VSX	TI	获取价格	8-CHANNEL, CROSS POINT SWITCH, PQFP48
LMH6582	NSC	获取价格	16x8 500 MHz Analog Crosspoint Switch, Gain of 1/Gain of 2
LMH6582_07	NSC	获取价格	16x8 550 MHz Analog Crosspoint Switch, Gain of 1
LMH6582_0708	NSC	获取价格	16x8 550MHz Analog Crosspoint Switch, Gain of 1
LMH6582YA	NSC	获取价格	16x8 550 MHz Analog Crosspoint Switch, Gain of 1
LMH6583	NSC	获取价格	16x8 500 MHz Analog Crosspoint Switch, Gain of 1/Gain of 2
LMH6583	TI	获取价格	增益为 2 的 5V、交叉点/交换、16 输入 8 输出模拟开关
LMH6583_07	NSC	获取价格	16x8 550 MHz Analog Crosspoint Switch, Gain of 2

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