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LMH6580

更新时间： 2024-11-25 11:11:07
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具有可选增益的 5V、交叉点/交换、8 输入 4 输出 500MHz 开关

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LMH6580 数据手册

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LMH6580, LMH6581  
www.ti.com  
SNOSAY4C –AUGUST 2007–REVISED MAY 2013  
LMH6580/LMH6581 8x4 500 MHz Analog Crosspoint Switch, Gain of 1,  
Gain of 2  
Check for Samples: LMH6580, LMH6581  
1
FEATURES  
DESCRIPTION  
The LMH™ family of products is joined by the  
LMH6580 and the LMH6581, high speed, non-  
blocking, analog, crosspoint switches. The  
23  
•
8 Inputs and 4 Outputs  
48-pin TQFP Package  
•
•
−3 dB Bandwidth (VOUT = 2 VPP, RL = 1 kΩ)  
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  
input 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.  
500 MHz  
•
−3 dB Bandwidth (VOUT = 2 VPP, RL = 150Ω)  
450 MHz  
•
•
Fast Slew Rate 2100 V/μs  
Channel to Channel Crosstalk (10/100 MHz)  
−70/ −52 dBc  
•
•
•
All Hostile Crosstalk (10/100 MHz) −55/−45 dBc  
Easy to Use Serial Programming 4 Wire Bus  
Two Programming Modes Serial & Addressed  
Modes  
•
•
•
Symmetrical Pinout Facilitates Expansion.  
Output Current ±70 mA  
Two Gain Options AV = 1 or AV = 2  
APPLICATIONS  
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 connections for expansion.  
•
•
•
•
•
•
•
•
Studio Monitoring/Production Video Systems  
Conference Room Multimedia Video Systems  
KVM (Keyboard Video Mouse) Systems  
Security/Surveillance Systems  
Multi-Antenna Diversity Radio  
Video Test Equipment  
Medical Imaging  
Wide-Band Routers & Switches  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
LMH is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2013, Texas Instruments Incorporated  
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