LMH0394SQE/NOPB by Texas Instruments | Other Interface Devices | Avnet ASIA
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LMH0394SQE/NOPB

Texas Instruments

Low Power Extended Reach Adaptive Cable Equalizer 16-Pin LLP EP T/R

Manufacturer Part #: LMH0394SQE/NOPB

Alternate Part #: LMH0394SQE/NOPB


RoHS Compliant

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Information

The LMH0394 3 Gbps HD/SD SDI 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 SMPTE 424M, SMPTE 292M, SMPTE 344M, SMPTE 259M, and DVB-ASI standards.

The LMH0394 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 output driver offers programmable de-emphasis for up to 40” of FR4 trace losses. The LMH0394 includes power management to further reduce power consumption when no input signal is present.

The LMH0394 supports two modes of operation. In pin mode, the LMH0394 operates with control pins to set its operating state, and is footprint compatible with the LMH0384, LMH0344, and legacy SDI equalizers. In SPI mode, an optional SPI serial interface can be used to access and configure multiple LMH0394 devices in a daisy-chain configuration. This allows programming the output common mode voltage and swing, output de-emphasis level, input launch amplitude, and power management settings, as well as access to a cable length indicator and all pin mode features.

 

Key Features

  • SMPTE 424M, SMPTE 292M, SMPTE 344M, SMPTE 259M, and DVB-ASI Compliant
  • Equalized Cable Lengths (Belden 1694A): 200m at 2.97 Gbps, 220m at 1.485 Gbps, and 400m at 270 Mbps
  • Ultra Low Power Consumption: 115 mW (Normal Operation)
  • 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
  • Input Data Rates: 125 Mbps to 2.97 Gbps
  • Internally Terminated 100Ω LVDS Outputs with Programmable Output Common Mode Voltage and Swing
  • Programmable Launch Amplitude Optimization
  • Cable Length Indicator
  • Single 2.5V Supply Operation
  • 16-pin WQFN Package
  • Industrial Temperature Range: −40°C to +85°C
  • Footprint Compatible with the LMH0384 and also the LMH0344, LMH0044, and LMH0074 in Pin Mode
  • Technical Attributes

    Description
    Value
    Find similar Parts
    MSL Level
    3
    Product Dimensions
    4 x 4 x 0.8 mm
    Lead Finish
    Tin
    Pin Count
    16
    Supplier Package
    LLP EP
    Operating Temperature
    -40 to 85 °C
    Mounting
    Surface Mount
    Max Processing Temp
    260
    Type
    Low Power Extended Reach Adaptive Cable Equalizer
    Category
    Low Power Extended Reach Adaptive Cable Equalizer

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542.2900-00
    HTSN:
    8542.2900-00
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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