LMH0324 - Texas Instruments

LMH0324 3G/HD/SD SDI Dual Output Adaptive Cable Equalizer

The LMH0324 is a low-power, dual-output, extended reach adaptive cable equalizer. It is designed to equalize SDI data transmitted over 75-Ω coax cable. The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps. The equalizer includes an active sensing circuitry that ensures robust performance and enhanced immunity to variations in the.

Features

•1 Supports ST 424(3G), ST 292(HD), and ST 259(SD)
• Compatible with DVB-ASI and AES10 (MADI)
• Adaptive Cable Equalizer
• Cable Reach (Belden 1694A):
  – 200 m at 2.97 Gbps
  – 280 m at 1.485 Gbps
  – 600 m at 270 Mbps
• Low Power: 78 mW (typical)
• Power Save Mode: 15 mW
• On-chip Input Termination (75 Ω single-ended)
• Integrated Input Return Loss Network
• Dual 100-Ω Output Drivers With De-Emphasis
• Independent Output Power-Down Control
• Supports Signal Splitter Mode (
  –6 dB Launch Amplitude)
• Cable Length Indicator
• Digital MUTEREF Threshold
• Powers from 2.5-V or 1.8-V Supply
• Configurable.