LMH6580, LMH6581

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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

23

•

8 Inputs and 4 Outputs

LMH6580 and the LMH6581, high speed, non-

•

48-pin TQFP Package

blocking,

analog,

crosspoint

switches.

The

•

−3 dB Bandwidth (VOUT = 2 VPP, RL = 1 kΩ)

LMH6580/LMH6581 are designed for high speed, DC

500 MHz

coupled, analog signals such as high resolution video

(UXGA and higher). The LMH6580/LMH6581 each

•

−3 dB Bandwidth (VOUT = 2 VPP, RL = 150Ω)

has eight inputs and four outputs. The non-blocking

450 MHz

architecture allows any output to be connected to any

•

Fast Slew Rate 2100 V/

μs

input, including an input that is already selected. With

•

Channel to Channel Crosstalk (10/100 MHz)

fully buffered inputs the LMH6580/LMH6581 can be

impedance matched to nearly any source impedance.

−70/ −52 dBc

The buffered outputs of the LMH6580/LMH6581 can

•

All Hostile Crosstalk (10/100 MHz)

−55/−45 dBc

drive up to two back terminated video loads (75

Ω

•

Easy to Use Serial Programming 4 Wire Bus

load). The outputs and inputs also feature high

•

Two Programming Modes Serial & Addressed

impedance inactive states allowing high performance

input and output expansion for array sizes such as 8

Modes

x 8 or 16 x 4 by combining two devices. The

•

Symmetrical Pinout Facilitates Expansion.

LMH6580/LMH6581 are controlled with a 4 pin serial

•

Output Current ±70 mA

interface that can be configured as a 3 wire interface.

Both

serial

mode

and

addressed

modes

are

•

Two Gain Options AV = 1 or AV = 2

available.

APPLICATIONS

The

LMH6580/LMH6581

come

in

48-pin

TQFP

packages. They also have diagonally symmetrical pin

•

Studio Monitoring/Production Video Systems

assignments to facilitate double sided board layouts

•

Conference Room Multimedia Video Systems

and easy pin connections for expansion.

•

KVM (Keyboard Video Mouse) Systems

•

Security/Surveillance Systems

•

Multi-Antenna Diversity Radio

•

Video Test Equipment

•

Medical Imaging

•

Wide-Band Routers & Switches

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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

LMH is a trademark of Texas Instruments.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.