LMH0384

ACTIVE

3G HD/SD SDI extended reach and configurable adaptive cable equalizer

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Data sheet

document-pdfAcrobat LMH0384 3-Gbps HD - SD SDI Extended Reach and Configurable Adaptive Cable Equalizer datasheet (Rev. G) PDF | HTML

LMH0384

ACTIVE

Data sheet

Order now

Product details

Function

Equalizer

Power consumption (mW)

230

Data rate (max) (Mbps)

2970

Control interface

Pin, SPI

Operating temperature range (°C)

-40 to 85

Function

Equalizer

Power consumption (mW)

230

Data rate (max) (Mbps)

2970

Control interface

Pin, SPI

Operating temperature range (°C)

-40 to 85

WQFN (RUM)

16

16 mm² (4 mm × 4 mm)

Compliant With ST 424, ST 292, ST 344, and ST
259
Supports DVB-ASI at 270 Mbps
Wide Range of Data Rates: 125 Mbps to 2.97
Gbps
Equalizes up to 140 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
Power Save Mode With Auto Sleep Control (35
mW Typical Power Consumption in Power Save
Mode)
Optional SPI Register Access
Manual Bypass and Output Mute With a
Programmable Threshold
Internally Terminated 100-Ω LVDS Outputs With
SPI Programmable Output Common-Mode Voltage
and Swing
Programmable Launch Amplitude Optimization in
SPI Mode
Cable Length Indicator in SPI Mode
Single 3.3-V Supply Operation
16-Pin WQFN Package
Industrial Temperature Range: –40°C to +85°C
Footprint Compatible With the LMH0344,
LMH0044, and LMH0074 in Pin Mode

Compliant With ST 424, ST 292, ST 344, and ST
259
Supports DVB-ASI at 270 Mbps
Wide Range of Data Rates: 125 Mbps to 2.97
Gbps
Equalizes up to 140 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
Power Save Mode With Auto Sleep Control (35
mW Typical Power Consumption in Power Save
Mode)
Optional SPI Register Access
Manual Bypass and Output Mute With a
Programmable Threshold
Internally Terminated 100-Ω LVDS Outputs With
SPI Programmable Output Common-Mode Voltage
and Swing
Programmable Launch Amplitude Optimization in
SPI Mode
Cable Length Indicator in SPI Mode
Single 3.3-V Supply Operation
16-Pin WQFN Package
Industrial Temperature Range: –40°C to +85°C
Footprint Compatible With the LMH0344,
LMH0044, and LMH0074 in Pin Mode

The LMH0384 3-Gbps HD - SD SDI Extended Reach and Configurable 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, and ST 259 standards.

The LMH0384 device includes active sensing features and design enhancements including longer cable equalization, lower output jitter, configurable pin mode and SPI modes, a power-saving sleep mode, and programmable output common-mode voltage and swing. The LMH0384 implements DC restoration to correctly handle pathological data conditions.

The LMH0384 includes an auto sleep mode to power down the device when no input signal is detected. Other features include separate carrier detect and output mute pins which may be tied together to mute the output when no input signal is present, and a programmable mute reference which may be used to mute the output at a selectable level of signal degradation.

The LMH0384 supports two modes of operation. In pin mode (non-SPI mode) the LMH0384 is footprint compatible with the LMH0344 and legacy SDI equalizers. In the optional SPI mode, the LMH0384 provides register access to all of its features along with a cable length indicator, programmable output common-mode voltage and swing, and launch amplitude optimization.

The LMH0384 3-Gbps HD - SD SDI Extended Reach and Configurable 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, and ST 259 standards.

The LMH0384 device includes active sensing features and design enhancements including longer cable equalization, lower output jitter, configurable pin mode and SPI modes, a power-saving sleep mode, and programmable output common-mode voltage and swing. The LMH0384 implements DC restoration to correctly handle pathological data conditions.

The LMH0384 includes an auto sleep mode to power down the device when no input signal is detected. Other features include separate carrier detect and output mute pins which may be tied together to mute the output when no input signal is present, and a programmable mute reference which may be used to mute the output at a selectable level of signal degradation.

The LMH0384 supports two modes of operation. In pin mode (non-SPI mode) the LMH0384 is footprint compatible with the LMH0344 and legacy SDI equalizers. In the optional SPI mode, the LMH0384 provides register access to all of its features along with a cable length indicator, programmable output common-mode voltage and swing, and launch amplitude optimization.

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Technical documentation

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Top documentation	Type	Title	Format options	Date
*	Data sheet	LMH0384 3-Gbps HD - SD SDI Extended Reach and Configurable Adaptive Cable Equalizer datasheet (Rev. G)	PDF \| HTML	Jun 30, 2015
	Application note	3G-SDI Cable Equalizer Compatibility Guide – TI / MACOM		Sep 13, 2017
	Application note	3G-SDI Cable Equalizer Compatibility Guide – TI / Semtech		Sep 13, 2017
	Selection guide	Broadcast and Professional Video Interface Solutions (Rev. E)	PDF \| HTML	Apr 5, 2017
	Application note	AN-1972 Board Layout Challenges in Serial Digital Interface (Rev. C)		Apr 26, 2013
	Application note	AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A)		Apr 26, 2013
	Application note	AN-1988 LMH0340 / LMH0341 SerDes Family LVDS Timing Overview (Rev. A)		Apr 26, 2013
	Application note	Replacing the CLC014 Adaptive Cable Equalizer with the LMH0074 (Rev. A)		Apr 26, 2013
	Application note	Replacing the CLC012 Adaptive Cable Equalizer with the LMH0074 (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
	User guide	SD384SPIEVK - Eval Bd for LMH0384 Cable Equalizer with SPI GUI User Guide		Jan 27, 2012
	Application note	High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems		Nov 12, 2009
	Application note	Getting Signal Launch Right for High Speed Sub-systems		Aug 3, 2009
	Design guide	Broadcast Video Owner's Manual		Nov 17, 2006

Design & development

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Evaluation board

SD384EVK — SD384EVK - Evaluation Board for LMH0384 Cable Equalizer

The SD384EVK is an evaluation board designed to demonstrate the performance and capabilities of the LMH0384 3 Gbps HD/SD SDI Extended Reach and Configurable Adaptive Cable Equalizer.

The board accepts 75Ω input signals conforming to the SMPTE 424M, SMPTE 292M, or SMPTE 259M standards. The LMH0384 (...)

User guide: PDF

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Simulation model