V
CC
FPGA
Cable
Driver
Cable
Equalizer
LMH0387
Configurable
I/O
LMH0387 Solution
FPGA
Existing Solution
LMH0387
SNLS315H –APRIL 2010–REVISED AUGUST 2015
LMH0387 3 Gbps HD/SD SDI Configurable I/O Adaptive Cable Equalizer / Cable Driver
1 Features 3 Description
The LMH0387 3 Gbps HD/SD SDI Configurable I/O
1
• ST 424, ST 292, ST 344, and ST 259 Compliant
Adaptive Cable Equalizer / Cable Driver provides a(1)
single chip interface to a BNC. The device can be
• Supports DVB-ASI at 270 Mbps
configured either in the input mode as an equalizer to
• Data Rates: 125 Mbps to 2.97 Gbps when
receive data over coaxial cable or in the output mode
as a cable driver to transmit data over coaxial cable.
Receiving (DC to 2.97 Gbps when Driving Cable)
The same I/O pin is used both for the input and the
• Equalizes up to 120 Meters of Belden 1694A at
output functions of the device, allowing the system
2.97 Gbps, up to 200 Meters of Belden 1694A at
designer the flexibility to use a BNC attached to the
1.485 Gbps, or up to 400 Meters of Belden 1694A
device as either an input or an output.
at 270 Mbps
The device operates over a wide range of data rates
• Integrated Return Loss Network (No External
from 125 Mbps to 2.97 Gbps (DC to 2.97 Gbps when
Components Required)
driving cable) and supports ST 424, ST 292, ST 344,
• Power Saving Modes
and ST 259. The return loss network is integrated
within the device so no external components are
• Cable Driver Selectable Slew Rate
required to meet the SMPTE return loss specification.
• Internally Terminated 100-Ω LVDS Receiver
The LMH0387 offers designers flexibility in system
Outputs With Programmable Common Mode
design and quicker time to market.
Voltage and Swing
In the input mode, the LMH0387 features include a
• Programmable Launch Amplitude Optimization for
power-saving sleep mode, programmable output
Receiver
common mode voltage and swing, cable length
• Cable Length Indication
indication, launch amplitude optimization, input signal
• Single 3.3-V Supply Operation
detection, and an SPI interface. In the output mode,
the LMH0387 features include two selectable slew
• 48-Pin Laminate TLGA Package
rates for ST 424 / 292 and ST 259 compliance, and
• Industrial Temperature Range: −40°C to 85°C
output driver power-down control.
The device is available in a 7-mm × 7-mm 48-pin
2 Applications
laminate Thin Laminate Grid Array (TLGA) Package.
• ST 424 (SMPTE 424M), ST 292 (SMPTE 292M),
and ST 259 (SMPTE 259M) Serial Digital
Device Information
(1)
Interfaces
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
• Digital Video Servers and Modular Equipment
LMH0387 TLGA (48) 7.00 mm × 7.00 mm
• Video Encoders and Decoders
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
• Distribution Amplifiers
Typical Application
(1) Due to SMPTE naming convention, all SMPTE Engineering
Documents will be numbered as a two-letter prefix and a
number. Documents and references with the same root
number and year are functionally identical; for example ST
424-2006 and SMPTE 424M-2006 refer to the same
document.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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