LMH0034MAX/NOPB National Semiconductor, LMH0034MAX/NOPB Datasheet

LMH0034MAX/NOPB
Manufacturer Part Number	LMH0034MAX/NOPB
Description	IC ADAPT CBL EQUALIZER 16-SOIC
Manufacturer	National Semiconductor
LMH0034MAX/NOPB datasheet	1. LMH0034MANOPB.pdf (8 pages)

Specifications of LMH0034MAX/NOPB
Applications	*	Interface	*
Voltage - Supply	*	Package / Case	16-SOIC (3.9mm Width)
Mounting Type	Surface Mount	For Use With	SD034EVK - BOARD EVALUATION LMH0034
Lead Free Status / RoHS Status	Lead free / RoHS Compliant	Other names	LMH0034MAX

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SMPTE 292M / 259M Adaptive Cable Equalizer

General Description

The LMH0034 SMPTE 292M / 259M adaptive cable equalizer

is a monolithic integrated circuit for equalizing data transmit-

ted 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 LMH0034 implements DC restoration to correctly handle

pathological data conditions. DC restoration can be bypassed

for low data rate applications. The equalizer is flexible in al-

lowing either single-ended or differential input drive.

Additional features include a combined carrier detect and out-

put mute pin which mutes the output when no signal is

present. A programmable mute reference is used to mute the

output at a selectable level of signal degradation. A cable

length indicator is provided to determine the amount of cable

being equalized.

Typical Application

LMH0034

Features

■

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, cable length indicator, and output mute

with a programmable threshold

■

Single-ended or differential input

■

50Ω differential outputs

■

Single 3.3V supply operation

■

208mW typical power consumption with 3.3V supply

■

Replaces the GS1524 and GS1524A

Applications

■

SMPTE 292M, SMPTE 344M, and SMPTE 259M serial

digital interfaces

■

Serial digital data equalization and reception

■

Data recovery equalization

201734

July 15, 2009

20173401

www.national.com

Download datasheet (287Kb)

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LMH0034MAX/NOPB Summary of contents
Page 1 ... A programmable mute reference is used to mute the output at a selectable level of signal degradation. A cable length indicator is provided to determine the amount of cable being equalized. Typical Application © 2009 National Semiconductor Corporation LMH0034 Features ■ SMPTE 292M, SMPTE 344M and SMPTE 259M compliant ■ ... Page 2 Absolute Maximum Ratings Supply Voltage Input Voltage (all inputs) Storage Temperature Range Junction Temperature Lead Temperature (Soldering 4 Sec) Package Thermal Resistance θ 16-pin SOIC JA θ 16-pin SOIC JC ESD Rating (HBM) ESD Rating (MM) DC Electrical Characteristics Over ... Page 3 AC Electrical Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified (Note 3). Symbol Parameter BR Minimum Input Data Rate MIN BR Maximum Input Data Rate MAX Jitter for various cable lengths (with equalizer pathological Output ... Page 4 Connection Diagram Pin Descriptions Pin # Name Description 1 CLI Cable length indicator. Provides a voltage inversely proportional to the cable length being equalized Positive power supply (+3.3V Negative power supply (ground SDI ... Page 5 Block Diagram Device Operation BLOCK DESCRIPTION The Equalizer Filter block is a multi-stage adaptive filter. If Bypass is high, the equalizer filter is disabled. The DC Restoration / Level Control block receives the dif- ferential signals from the equalizer filter ... Page 6 OUTPUT INTERFACING The SDO and SDO outputs are internally loaded with 50Ω. They produce a 750 mV differential output P-P 375 mV single-ended output. P-P Application Information PCB LAYOUT RECOMMENDATIONS Please refer to the following Application Note on ... Page 7 Physical Dimensions inches (millimeters) unless otherwise noted 16-Pin SOIC Order Number LMH0034MA NS Package Number M16A 7 www.national.com ... Page 8 ... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

LMH0034MAX/NOPB Summary of contents

Page 1
... A programmable mute reference is used to mute the output at a selectable level of signal degradation. A cable length indicator is provided to determine the amount of cable being equalized. Typical Application © 2009 National Semiconductor Corporation LMH0034 Features ■ SMPTE 292M, SMPTE 344M and SMPTE 259M compliant ■ ...
Page 2
Absolute Maximum Ratings Supply Voltage Input Voltage (all inputs) Storage Temperature Range Junction Temperature Lead Temperature (Soldering 4 Sec) Package Thermal Resistance θ 16-pin SOIC JA θ 16-pin SOIC JC ESD Rating (HBM) ESD Rating (MM) DC Electrical Characteristics Over ...
Page 3
AC Electrical Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified (Note 3). Symbol Parameter BR Minimum Input Data Rate MIN BR Maximum Input Data Rate MAX Jitter for various cable lengths (with equalizer pathological Output ...
Page 4
Connection Diagram Pin Descriptions Pin # Name Description 1 CLI Cable length indicator. Provides a voltage inversely proportional to the cable length being equalized Positive power supply (+3.3V Negative power supply (ground SDI ...
Page 5
Block Diagram Device Operation BLOCK DESCRIPTION The Equalizer Filter block is a multi-stage adaptive filter. If Bypass is high, the equalizer filter is disabled. The DC Restoration / Level Control block receives the dif- ferential signals from the equalizer filter ...
Page 6
OUTPUT INTERFACING The SDO and SDO outputs are internally loaded with 50Ω. They produce a 750 mV differential output P-P 375 mV single-ended output. P-P Application Information PCB LAYOUT RECOMMENDATIONS Please refer to the following Application Note on ...
Page 7
Physical Dimensions inches (millimeters) unless otherwise noted 16-Pin SOIC Order Number LMH0034MA NS Package Number M16A 7 www.national.com ...
Page 8
... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

LMH0034MAX/NOPB

LMH0034MAX/NOPB

Specifications of LMH0034MAX/NOPB

Related parts for LMH0034MAX/NOPB

LMH0034MAX/NOPB Summary of contents

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