lmh6572mqx National Semiconductor Corporation, lmh6572mqx Datasheet

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lmh6572mqx

Manufacturer Part Number
lmh6572mqx
Description
Triple 2 1 High Speed Video Multiplexer
Manufacturer
National Semiconductor Corporation
Datasheet

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Part Number:
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© 2005 National Semiconductor Corporation
LMH6572
Triple 2:1 High Speed Video Multiplexer
General Description
The LMH
optimized for professional grade video and other high fidelity
high bandwidth analog applications. The LMH6572 provides
a 290MHz bandwidth at 2 V
MHz of .1 dB bandwidth and a 1500 V/µs slew rate make this
part suitable for High Definition Television (HDTV) and High
Resolution Multimedia Video applications.
The LMH6572 supports composite video applications with its
0.02% and 0.02˚ differential gain and phase errors for NTSC
and PAL video signals while driving a single, back terminated
75Ω load. The LMH6572 can deliver 80 mA linear output
current for driving multiple video load applications.
The LMH6572 has an internal gain of 2 V/V (+6 dBv) for
driving back terminated transmission lines at a net gain of 1
V/V (0 dBv).
The LMH6572 is available in the SSOP package.
Connection Diagram
Ordering Information
LMH
16-Pin SSOP
is a trademark of National Semiconductor Corporation.
Package
6572 is a high performance analog mulitplexer
16-Pin SSOP
Top View
LMH6572MQX
Part Number
PP
LMH6572MQ
output signal levels. The 140
DS201096
Package Marking
20109605
LH6572MQ
Features
n 350 MHz, 250 mV −3 dB bandwidth
n 290 MHz, 2 V
n 10 ns channel switching time
n 90 dB channel to channel isolation
n 0.02%, 0.02˚ diff. gain, phase
n .1 dB gain flatness to 140 MHz
n 1400 V/µs slew rate
n Wide supply voltage range: 6V (
n −78 dB HD2
n −75 dB HD3
Applications
n RGB video router
n Multi-input video monitor
n Fault tolerant data switch
Truth Table
SEL
0
1
X
2.5 Units Tape and Reel
Transport Media
95 Units/Rail
@
@
PP
10 MHz
10 MHz
−3 dB bandwidth
EN
0
0
1
±
3V) to 12V (
@
5 MHz
NSC Drawing
Disable
MQA16
CH 1
CH 0
OUT
www.national.com
June 2005
±
6V)

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lmh6572mqx Summary of contents

Page 1

... The LMH6572 is available in the SSOP package. Connection Diagram 16-Pin SSOP Top View Ordering Information Package Part Number LMH6572MQ 16-Pin SSOP LMH6572MQX LMH is a trademark of National Semiconductor Corporation. ™ © 2005 National Semiconductor Corporation Features n 350 MHz, 250 mV −3 dB bandwidth n 290 MHz channel switching time channel to channel isolation n 0.02%, 0.02˚ ...

Page 2

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance Human Body Model Machine Model + − Supply Voltage (V − (Note 3) OUT ...

Page 3

Electrical Characteristics ± Unless otherwise specified 5V Symbol Parameter ICC Supply Current (Note 5) Supply Current Disabled(Note 5) VIH Logic High Threshold(Note 5) VIL Logic Low Threshold (Note 5) IiL Logic Pin Input Current ...

Page 4

Electrical Characteristics ± Unless otherwise specified 3.3V Symbol Parameter rd HD3 3 Harmonic Distortion rd IMD 3 Order Intermodulation Products Static, DC Performance GAIN Voltage Gain VIO Output Offset Voltage DVIO Average Drift IBN ...

Page 5

Typical Performance Characteristics Frequency Response vs. V Frequency Response vs. Capacitive Load Harmonic Distortion vs. Output Voltage Unless otherwise specified, V Frequency Response vs. V OUT 20109602 Suggested R 20109613 Harmonic Distortion vs. Output Voltage 20109611 5 ± = 5V, ...

Page 6

Typical Performance Characteristics Harmonic Distortion vs. Frequency Harmonic Distortion vs. Supply Voltage Disable Time www.national.com Unless otherwise specified, V Harmonic Distortion vs. Frequency 20109603 Channel Switching Time 20109616 Pulse Response 20109626 6 ± 100Ω. (Continued) s ...

Page 7

Typical Performance Characteristics Crosstalk PSRR Closed Loop Output Impedance Unless otherwise specified, V 20109614 Closed Loop Output Impedance 20109606 20109608 7 ± 100Ω. (Continued PSRR 20109607 20109609 www.national.com ...

Page 8

Application Notes GENERAL INFORMATION The LMH6572 is a high-speed triple 2:1 multiplexer, opti- mized for very high speed and low distortion. With a fixed gain of 2 and excellent AC performance, the LMH6572 is ideally suited for switching high resolution, ...

Page 9

Application Notes (Continued important in the end application to make sure that no two inputs are presented to the output at the same time, an optional delay block can be added prior to the ENABLE (EN) pin ...

Page 10

Application Notes (Continued) The drawback in this case is the increased capacitive load presented to the output of each LMH6572 due to the off- state capacitance of the LMH6572. Other Applications The LMH6572 may be utilized in systems that involve ...

Page 11

Other Applications (Continued) consumes quiescent current, which cannot be neglected when considering the total package power dissi- pation limit. To ensure maximum output drive and highest performance, thermal shutdown is not provided. Therefore utmost ...

Page 12

Physical Dimensions inches (millimeters) unless otherwise noted National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and ...

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