National LMH6582 Data Manual
Summary
This high-speed, non-blocking analog crosspoint switch features 16 inputs to 8 outputs, handling video signals up to 500 MHz. Ideal for professional applications such as studio monitoring, advanced KVM systems, and multi-channel video routing. The comprehensive manual provides detailed electrical specifications, frequency domain performance measurements, and guidance on optimal implementation across diverse system architectures.
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LMH6582 16x8 550 MHz Analog Crosspoint Switch, Gain of 1 General Description Features
The LMH® family of products is joined by the LMH6582, a high 16 inputs and 8 outputs
speed, non-blocking, analog, crosspoint switch. The 64-pin exposed pad TQFP package LMH6582 is designed for high speed, DC coupled, analog −3 d B bandwidth (VOUT = 0.5 VPP) 500 MHz signals like high resolution video (UXGA and higher). The
−3 d B bandwidth (VOUT = 2VPP) 400 MHz
LMH6582 has 16 inputs and 8 outputs. The non-blocking ar-
Fast slew rate 3000 V/μs
chitecture allows an output to be connected to any input,
Low crosstalk (10 MHz/ 100 MHz) −70/ −50 d Bc
including an input that is already selected. With fully buffered
Easy to use serial programming 4 wire bus
inputs the LMH6582 can be impedance matched to nearly any
Two programming modes Serial & addressed modes
source impedance. The buffered outputs of the LMH6582 can
Symmetrical pinout facilitates expansion.
drive up to two back terminated video loads (75Ω load). The
outputs and inputs also feature high impedance inactive Output current ±60 m A states allowing high performance input and output expansion Two gain options AV = 1 or AV = 2
for array sizes such as 16 x 16 or 32 x 8 by combining two devices. The LMH6582 is controlled with a 4 pin serial inter- Applications face. Both single serial mode and addressed chain modes are
Studio monitoring/production video systems
available.
Conference room multimedia video systems
The LMH6582 comes in a 64-pin thermally enhanced TQFP
package. It also has diagonally symmetrical pin assignments KVM (keyboard video mouse) systems
to facilitate double sided board layouts and easy pin connec- Security/surveillance systems tions for expansion. The package has an exposed thermal
Multi antenna diversity radio
pad on the bottom of the package.
Video test equipment Medical imaging Wide-band routers & switches
Connection Diagram Block Diagram
LMH® is a registered trademark of National Semiconductor Corporation. TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 2007 National Semiconductor Corporation www.national.com
Page Summary Contents For National LMH6582 Data Manual
Manual Details
| Brand | National |
|---|---|
| Pages | 16 |
| File Size | 358.82 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
What are the core switching capabilities of the LMH6582?
It functions as a high-speed, non-blocking analog crosspoint switch with 16 inputs and 8 outputs.
What bandwidth can it handle for video signals like UXGA or higher?
The device offers a -3 dB bandwidth of 500 MHz for OUT PP signals at V=2V.
How is the LMH6582 programmed and controlled?
It is controlled via a 4-pin serial interface and supports two programming modes: Serial and addressed modes.
What are the operating temperature restrictions?
The specified operational temperature range (T) for the device is -40°C to +85°C.