LMH0324

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LMH0324 SNLS531B – APRIL 2016 – REVISED JUNE 2018 LMH0324 3G/HD/SD SDI Dual Output Adaptive Cable Equalizer 1 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 by Control Pins, SPI, or SMBus Interface 4-mm × 4-mm 24-pin QFN Package Operating Temperature Range: –40°C to +85°C 2 Applications SMPTE Compatible Serial Digital Interface (SDI) Broadcast Video Routers, Switchers, and Monitors DVB-ASI and Distribution Amplifiers Digital Video Processing and Editing 3 Description 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 var...