Texas Instruments LMH1226 Handleiding

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Diff 100 Ÿ

Term

PCB

EQ

Control Logic

Power

Management

IN1±

OUT0±

OUT1±

Single 2.5 V

or

Dual 2.5 V and 1.8 V

Control

Pins

Serial

Interface

SPI

or

SMBus

Lock

Indicator

OUT_MUX

100-Ÿ

Driver

LDO

VDD_LDO

2

2

2

Reclocker

with

Integrated

LoopFilter,

EyeMon

Data

Clock

100-Ÿ

Driver

Product

Folder

Order

Now

Technical

Documents

Tools &

Software

Support &

Community

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMH1226

SNLS534D–APRIL2016–REVISEDJUNE2018

LMH1226Low-Power,Dual-Output12-GUHDReclocker

1

1Features

1

•SupportsST-2082-1(12G),ST-2081-1(6G),ST-

424(3G),ST-292(HD),andST-259(SD)

•SupportsSFF8431(SFP+)forSMPTE2022-5/6

•CompatiblewithDVB-ASIandAES10(MADI)

•Reference-LessReclockerLockstoSMPTEand

10GbERates:11.88Gbps,5.94Gbps,2.97

Gbps,1.485Gbps,orDivide-by-1.001Sub-Rates,

270Mbps,and10.3125Gbps

•ReferenceFreeWithFastLockTime

•AdaptiveBoardTraceEqualizeratInput1(IN1)

•LowPower:214mW(typical)

•Power-SaveMode:16mW

•Integrated1:2FanoutOutputswithDe-Emphasis

•On-ChipLoopFilterandEyeOpeningMonitor

•PowersfromSingle2.5VwithOn-Chip1.8V

Regulator

•ConfigurablebyControlPins,SPI,orSMBus

Interface

•4-mm×4-mm24-PinQFNPackage

•OperatingTemperatureRange:–40°Cto+85°C

2Applications

•SMPTECompatibleSerialDigitalInterface(SDI)

•UHDTV/4K/8K/HDTV/SDTVVideo

•BroadcastVideoRouters,Switchers,andMonitors

•DigitalVideoProcessingandEditing

•10GbE-SDIMediaGateway

3Description

TheLMH1226isalow-power,dual-output12GUHD

reclocker.ItsupportsSMPTEvideoratesupto11.88

Gbpsand10GbEvideooverIP,enablingUHDvideo

for4K/8Kapplications.Anadaptiveboardtrace

equalizeratIN1isSFF-8431compatibleand

supportsbothSMPTEand10GbEdatarates.

Thereclockerattenuateshighfrequencyjitterand

providesthebestsignalintegrity.Highinputjitter

toleranceofthereclockerimprovestimingmargin.

Thereclockerhasbuilt-inloopfilterandoperates

withouttheneedofaprecisioninputreferenceclock.

Anon-disruptiveeyemonitorallowsforrealtime

measurementoftheserialdatatosimplifysystem

debugandaccelerateboardbring-up.

Theintegrated1:2fanoutprovidesflexibilityfor

multiplevideosignals.Theoutputdriversoffer

programmablede-emphasistocompensateboard

tracelossesatitsoutputs.Thetypicalpower

consumptionofLMH1226is214mW.Intheabsence

ofinputsignal,powerisfurtherreducedto16mW.

TheLMH1226ispincompatiblewiththeLMH1219

(12G-UHDcableequalizerwithintegratedreclocker).

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMH1226QFN(24)4.00mm×4.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedBlockDiagram

Product specificaties