Datasheet > LMH0074SQ

LMH0074SQ

更新时间： 2024-09-30 05:42:23

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
8页	239K
描述
SMPTE 259M / 344M Adaptive Cable Equalizer

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LMH0074SQ 数据手册

August 27, 2009

LMH0074

SMPTE 259M / 344M Adaptive Cable Equalizer

General Description

Features

The LMH0074 SMPTE 259M / 344M Adaptive Cable Equal-

izer 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 540 Mbps and supports SMPTE 259M and SMPTE

344M.

SMPTE 259M and SMPTE 344M compliant

■

Supports DVB-ASI at 270 Mbps

Data rates: 125 Mbps to 540 Mbps

Equalizes up to 400 meters of Belden 1694A at 270 Mbps

Manual bypass and output mute with a programmable

threshold

The LMH0074 implements DC restoration to correctly handle

pathological data conditions. The equalizer may be driven in

either a single ended or differential configuration.

Single-ended or differential input

■

50Ω differential outputs

Single 3.3V supply operation

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 pro-

vided to mute the output at a selectable level of signal degra-

dation.

Industrial temperature range: −40°C to +85°C

208mW typical power consumption with 3.3V supply

Footprint compatible with the LMH0044 and the GS9074A

Applications

SMPTE 259M and SMPTE 344M serial digital interfaces

■

Serial digital data equalization and reception

Data recovery equalization

Typical Application

30027501

300275

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