Product details


Function Config I/O Power consumption (mW) 235 Data rate (Max) (Gbps) 2.97 Control interface Pin, SPI Operating temperature range (C) -40 to 85 open-in-new Find other Serial digital interface (SDI) ICs

Package | Pins | Size

TLGA (NPD) 48 49 mm² 7 x 7 open-in-new Find other Serial digital interface (SDI) ICs


  • ST 424, ST 292, ST 344, and ST 259 Compliant
  • Supports DVB-ASI at 270 Mbps
  • Data Rates: 125 Mbps to 2.97 Gbps when Receiving (DC to 2.97 Gbps when Driving Cable)
  • Equalizes up to 120 Meters of Belden 1694A at 2.97 Gbps, up to 200 Meters of Belden 1694A at 1.485 Gbps, or up to 400 Meters of Belden 1694A at 270 Mbps
  • Integrated Return Loss Network (No External Components Required)
  • Power Saving Modes
  • Cable Driver Selectable Slew Rate
  • Internally Terminated 100-Ω LVDS Receiver Outputs With Programmable Common Mode Voltage and Swing
  • Programmable Launch Amplitude Optimization for Receiver
  • Cable Length Indication
  • Single 3.3-V Supply Operation
  • 48-Pin Laminate TLGA Package
  • Industrial Temperature Range: −40°C to 85°C

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The LMH0387 3 Gbps HD/SD SDI Configurable I/O Adaptive Cable Equalizer / Cable Driver provides a single chip interface to a BNC. The device can be configured either in the input mode as an equalizer to receive data over coaxial cable or in the output mode as a cable driver to transmit data over coaxial cable. The same I/O pin is used both for the input and the output functions of the device, allowing the system designer the flexibility to use a BNC attached to the device as either an input or an output.

The device operates over a wide range of data rates from 125 Mbps to 2.97 Gbps (DC to 2.97 Gbps when driving cable) and supports ST 424, ST 292, ST 344, and ST 259. The return loss network is integrated within the device so no external components are required to meet the SMPTE return loss specification. The LMH0387 offers designers flexibility in system design and quicker time to market.

In the input mode, the LMH0387 features include a power-saving sleep mode, programmable output common mode voltage and swing, cable length indication, launch amplitude optimization, input signal detection, and an SPI interface. In the output mode, the LMH0387 features include two selectable slew rates for ST 424 / 292 and ST 259 compliance, and output driver power-down control.

The device is available in a 7-mm × 7-mm 48-pin laminate Thin Laminate Grid Array (TLGA) Package.

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Technical documentation

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Type Title Date
* Data sheet LMH0387 3 Gbps HD/SD SDI Configurable I/O Adaptive Cable Equalizer / Cable Driver datasheet (Rev. H) Aug. 31, 2015
Application note Simplifying 4K SDI Video Design with a Bidrectional I/O Oct. 31, 2017
Selection guide Broadcast and Professional Video Interface Solutions (Rev. E) Apr. 05, 2017
Application note AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) Apr. 26, 2013
Application note AN-2145 Power Considerations for SDI Products (Rev. B) Apr. 26, 2013
Application note AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) Apr. 26, 2013
Application note AN-2156 Configuring the LMH0387 for an Equalizer-Only Application (Rev. A) Apr. 26, 2013
User guide 3 Gbps HD SD SDI Configurable IO Adaptive Equalizer Driver Eval Bd User Guide Jan. 26, 2012
Application note High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems Nov. 12, 2009
Design guide Broadcast Video Owner's Manual Nov. 17, 2006

Design & development

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Software development

Analog LaunchPad™ software
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SNLM197.ZIP (1588 KB) - IBIS Model
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PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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