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Product details

Parameters

Function Equalizer Power consumption (mW) 140 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

WQFN (RTW) 24 16 mm² 4 x 4 open-in-new Find other Serial digital interface (SDI) ICs

Features

  • ST 424, ST 292, ST 344, ST 259, and DVB-ASI Compliant(1)
  • Equalized Cable Lengths (Belden 1694A): 200 Meters at 2.97 Gbps, 220 Meters at 1.485 Gbps, and 400 Meters at 270 Mbps
  • Ultra-low Power Consumption: 140 mW (Dual Outputs), 115 mW (Single Output)
  • Dual Differential Outputs; Second Output Can Be Independently Powered Down
  • Power-Save Mode With Auto Sleep Control (17-mW Typical Power Consumption in Power-Save Mode)
  • Designed for Crosstalk Immunity
  • Output De-Emphasis to Compensate for FR4 Board Trace Losses
  • Digital and Analog Programmable MUTEREF Threshold
  • Optional SPI Register Access and Pin Mode Operation
  • Input Data Rates: 125 Mbps to 2.97 Gbps
  • Internally Terminated 100-Ω LVDS Outputs With Programmable Output Common-Mode Voltage and Swing
  • Programmable Launch Amplitude Optimization
  • Cable Length Indicator
  • Single 2.5-V Supply Operation
  • 24-Pin WQFN Package
  • Industrial Temperature Range: −40°C to +85°C
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Description

The LMH0395 3-Gbps HD/SD SDI Dual Output Low Power Extended Reach Adaptive Cable Equalizer is designed to equalize data transmitted over cable (or any media with similar dispersive loss characteristics). The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps and supports ST 424, ST 292, ST 344, ST 259, and DVB-ASI standards.

The LMH0395 device provides extended cable reach with improved immunity to crosstalk and ultra low power consumption. The equalizer includes active sensing circuitry that ensures robust performance and enhanced immunity to variations in the input signal launch amplitude. The LMH0395 offers power management to further reduce power consumption when no input signal is present.

The LMH0395 has two differential serial data outputs, increasing flexibility and eliminating the need for a fanout buffer on the output in many applications. The outputs may be independently enabled and controlled. The output drivers offer programmable de-emphasis for up to 40 inches of FR4 trace losses. The LMH0395 supports two modes of operation. In pin mode, the LMH0395 operates with control pins to set its operating state. In SPI mode, an optional SPI serial interface can be used to access and configure multiple LMH0395 devices in a daisy-chain configuration.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet LMH0395 3G HD/SD SDI Dual Output Low Power Extended Reach Adaptive Cable Equalizer datasheet (Rev. N) Jan. 03, 2017
Application notes 3G-SDI Cable Equalizer Compatibility Guide – TI / MACOM Sep. 13, 2017
Application notes 3G-SDI Cable Equalizer Compatibility Guide – TI / Semtech Sep. 13, 2017
Selection guides Broadcast and Professional Video Interface Solutions (Rev. E) Apr. 05, 2017
Application notes AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) Apr. 26, 2013
Application notes AN-2145 Power Considerations for SDI Products (Rev. B) Apr. 26, 2013
Application notes AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) Apr. 26, 2013
User guides SD395EVK - Evaluation Board for LMH0395 Cable Equalizer Jan. 27, 2012
Application notes High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems Nov. 12, 2009
User guides Broadcast Video Owner's Manual Nov. 17, 2006

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

GUIS FOR EVALUATION MODULES (EVM) Download
document-generic User guide
Description

The SD3GDAIII is a kit containing an evaluation board which is functionally an SDI Distribution Amplifier consisting of the LMH0395 cable equalizer, LMH0376 reclocker, and LMH0307 cable driver. It provides a serial interface for connection to a host computer along with a graphical user interface (...)

Features
  • Single input, four output Distribution Amplifier
  • Low power consumption, with automatic power down when no input signal is provided
  • Ability to estimate input cable length
  • Adjustable output signal amplitude and DC offset
  • Selectable board trace length between equalizer and reclocker
  • GUI allows user to (...)

Design tools & simulation

SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOLS Download
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 (...)
document-generic User guide
SCHEMATICS Download
SNLC012.ZIP (52 KB)

Reference designs

REFERENCE DESIGNS Download
Low Power 1:4 Distribution Amplifier for Serial Digital Interface Reference Design
TIDA-00253 The TIDA-00253 reference design is functionally an 1:4 SDI Distribution Amplifier with a USB interface to allow connection to a host computer and a graphical user interface (GUI) program which allows the configuration of the devices on the board to be changed as desired, and allows for SDI video eye (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
WQFN (RTW) 24 View options

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