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LMH0344SQE Datasheet(PDF) 1 Page - Texas Instruments

Part No. LMH0344SQE
Description  3 Gbps HD/SD SDI Adaptive Cable Equalizer
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LMH0344SQE Datasheet(HTML) 1 Page - Texas Instruments

 
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LMH0344
www.ti.com
SNLS233L – APRIL 2007 – REVISED APRIL 2013
3 Gbps HD/SD SDI Adaptive Cable Equalizer
Check for Samples: LMH0344
1
FEATURES
DESCRIPTION
The LMH0344 3 Gbps HD/SD SDI Adaptive Cable
2
SMPTE 424M, SMPTE 292M, SMPTE 344M, and
Equalizer is designed to equalize data transmitted
SMPTE 259M Compliant
over cable (or any media with similar dispersive loss
Supports DVB-ASI at 270 Mbps
characteristics). The equalizer operates over a wide
Wide Range of Data Rates: 125 Mbps to 2.97
range of data rates from 125 Mbps to 2.97 Gbps and
supports SMPTE 424M, SMPTE 292M, SMPTE
Gbps
344M, and SMPTE 259M.
Equalizes up to 120 Meters of Belden 1694A at
2.97 Gbps, up to 140 Meters of Belden 1694A
The LMH0344 implements DC restoration to correctly
at 1.485 Gbps, or up to 400 Meters of Belden
handle pathological data conditions. The equalizer
may be driven in either a single ended or differential
1694A at 270 Mbps
configuration.
Equalizes 0-120m of Belden 1694A at 2.97
Gbps With 0.3 UI Maximum Output Jitter
Additional features include separate carrier detect
and output mute pins which may be tied together to
Manual Bypass and Output Mute With a
mute the output when no signal is present. A
Programmable Threshold
programmable mute reference is provided to mute the
Single-Ended or Differential Input
output at a selectable level of signal degradation.
50
Ω Differential Outputs (Internal 50Ω Pullups)
For applications which use the RGB
α data patterns,
Single 3.3V Supply Operation
the LMH0394 cable equalizer will provide better
performance.
280 mW Typical Power Consumption
16-Pin WQFN or 25-Ball CS-BGA Package
The
device
is
available
in
two
space–saving
packages: a 4 X 4 mm 16-pin WQFN and even more
Industrial Temperature Range:
−40°C to +85°C
space-efficient 3 x 3 mm 25-ball CS-BGA package.
HBM ESD Rating: 8 kV
WQFN Version Footprint Compatible With the
LMH0044 and LMH0074
Replaces the Gennum GS2974A or GS2974B
APPLICATIONS
SMPTE 424M, SMPTE 292M, SMPTE 344M, and
SMPTE 259M Serial Digital Interfaces
Serial Digital Data Equalization and Reception
Data Recovery Equalization
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
All 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.


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