The LMH0044 SMPTE 292M / 259M adaptive cable equalizer is a monolithic integrated circuit for equalizing 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 1.485 Gbps and supports SMPTE 292M, SMPTE 344M and SMPTE 259M.
●The LMH0044 implements DC restoration to correctly handle pathological data conditions (DC restoration may be bypassed for low data rate applications). The equalizer may be driven in either a single ended or differential configuration.
●Additional features include separate carrier detect and output mute pins which may be tied together to mute the output when no signal is present. A programmable mute reference is provided to mute the output at a selectable level of signal degradation.
● SMPTE 292M, SMPTE 344M and SMPTE 259M Compliant
● Supports DVB-ASI at 270 Mbps
● Data rates: 125 Mbps to 1.485 Gbps
● Equalizes up to 200 Meters of Belden 1694A at 1.485 Gbps or up to 400 meters of Belden 1694A at 270 Mbps
● Manual Bypass and Output Mute with a Programmable Threshold
● Single-Ended or Differential Input
● 50Ω Differential Outputs
● Single 3.3V Supply Operation
● 208 mW Typical Power Consumption with 3.3V Supply
● Replaces the GS1574 and GS1574A
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