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FEATURESDESCRIPTION
应用程序
DETAILEDDESCRIPTION
BLOCKDIAGRAM
OUT+
OUT−
VCC
地
带隙 v旧
参考 和
偏差 电流
世代
偏移量
取消
CML
输出
缓冲区
+
−
+
−
入点
过滤器
RSSI
电压
放大器
互阻抗
放大器
右
f
禁用
750
ONET2511TA
2.5gbpstransimpedanceamplifierwithrssi
SLLS622–SEPTEMBER2004
•
2.5ghzbandwidth
theonet2511taisahigh-speedtransimpedance
amplifierusedinsdh/sonetsystemswithdata
•
4.0k
Ω
DifferentialTransimpedance
ratesupto2.5gbps.itfeaturesalowinputreferred
•
10pa/
√
HzTypicalInputReferredNoise
噪声,2.5ghzbandwidth,4.0k
Ω
互阻抗,
•
2mAMaximumInputCurrent
andareceivedsignalstrengthindicator.
•
OffsetCancellation
TheONET2511TAdeviceisavailableindieformand
•
ReceivedSignalStrengthIndication
requiresasingle+3.3vsupply.itisverypower
efficientanddissipateslessthan83mw(典型).itis
•
DifferentialCMLDataOutputs
characterizedforoperationsfrom–40
°
Cto85
°
c.
•
single+3.3vsupply
•
裸露的-dieoption
AVAILABLEOPTIONS
t
一个
模具
–40
°
Cto85
°
CONET2511TAY
•
sonetoc-48
•
sdhstm-16
•
apdpreamplifier-接收器
•
pinpreamplifier-接收器
theonet2511taisahighperformance2.5gbpstransimpedanceamplifierthatcanbesegmentedintothe
signalpath,过滤器,andoffsetcancellationblock.
thesignalpathconsistsofatransimpedanceamplifierstage,avoltageamplifier,andanoutputbuffer.
thefiltercircuitprovidesafilteredvccforthephotodiode.
TheoffsetcorrectioncircuitusesaninternallowpassfiltertocanceltheDContheinputanditprovidesasignal
tomonitorthereceivedsignalstrength.
asimplifiedblockdiagramoftheonet2511taisshowninfigure1.
figure1.simplifiedblockdiagramoftheonet2511ta
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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