LMH0384 3 Gbps HD/SD SDI Extended Reach and Configurable Adaptive Cable Equalizer | TI.com

LMH0384 (ACTIVE) 3 Gbps HD/SD SDI Extended Reach and Configurable Adaptive Cable Equalizer

 

Recommended alternative parts

  • LMH0346  -  3G SDI Reclocker
  • LMH1219  -  12G SDI and 10GbE Cable Equalizer with Integrated Reclocker
  • LMH0318  -  3G SDI Reclocker with Integrated Cable Driver
  • LMH0324  -  3G SDI Low Power Adaptive Cable Equalizer

Description

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.

Features

  • 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

Parametrics

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Part number Order Function Data rate (Max) (Mbps) Power consumption (mW) Control interface Package Group Package size: mm2:W x L (PKG) Operating temperature range (C)
LMH0384 Order now Equalizer     2970     230     Pin
SPI    
WQFN | 16     16WQFN: 16 mm2: 4 x 4 (WQFN | 16)     -40 to 85    
LMH0324 Order now Equalizer     2970     78     Pin
SMBus
SPI    
WQFN | 24     24WQFN: 16 mm2: 4 x 4 (WQFN | 24)     -40 to 85    
LMH0344 Order now Equalizer     2970     280     Pin     WQFN | 16
csBGA | 25    
16WQFN: 16 mm2: 4 x 4 (WQFN | 16)
25csBGA: 9 mm2: 3 x 3 (csBGA | 25)    
-40 to 85    
LMH0394 Order now Equalizer     2970     115     Pin
SPI    
WQFN | 16     16WQFN: 16 mm2: 4 x 4 (WQFN | 16)     -40 to 85    
LMH0395 Order now Equalizer     2970     140     Pin
SPI    
WQFN | 24     24WQFN: 16 mm2: 4 x 4 (WQFN | 24)     -40 to 85