RoHS
Compliant
Digital Attenuator
31.0 dB, 5-Bit, TTL Driver, DC-2.0 GHz
AT-263-PIN
V5
Features
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Attenuation:ꢁ1ꢁdBꢁstepsꢁtoꢁ31ꢁdBꢁ
TemperatureꢁStability:ꢁ±ꢁ0.18ꢁdBꢁfromꢁ–55°Cꢁtoꢁ
+85°CꢁTypicalꢁ
Functional Schematic
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•
•
•
•
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ꢁ
LowꢁDCꢁPowerꢁConsumptionꢁ
HermeticꢁSurfaceꢁMountꢁPackageꢁ
IntegralꢁTTLꢁDriverꢁ
50ꢁOhmꢁNominalꢁImpedanceꢁ
LeadꢀFreeꢁCRꢀ12ꢁPackageꢁ
260°CꢁReflowꢁCompatibleꢁꢁ
Description
M/AꢀCOM’sꢁATꢀ263ꢀPINꢁisꢁaꢁGaAsꢁFETꢁ5ꢀbitꢁdigitalꢁꢁ
attenuatorꢁwithꢁaꢁ1ꢁdBꢁminimumꢁstepꢁsizeꢁandꢁ31ꢁdBꢁ
totalꢁ attenuation.ꢁ ꢁ Thisꢁ attenuatorꢁ andꢁ integralꢁ TTLꢁ
driverꢁ isꢁ inꢁ aꢁ hermeticallyꢁ sealedꢁ ceramicꢁ 16ꢀleadꢁ
surfaceꢁmountꢁpackage.ꢁꢁTheꢁATꢀ263ꢀPINꢁisꢁideallyꢁ
suitedꢁ forꢁ useꢁ whereꢁ accuracy,ꢁ fastꢁ switching,ꢁ veryꢁ
lowꢁ powerꢁ consumptionꢁ andꢁ lowꢁ intermodulationꢁ
productsꢁ areꢁ required.ꢁ ꢁ Typicalꢁ applicationsꢁ includeꢁ
dynamicꢁ rangeꢁ settingꢁ inꢁ precisionꢁ receiverꢁ circuitsꢁ
andꢁ otherꢁ gain/levelingꢁ controlꢁ circuits.ꢁ ꢁ Environꢀ
mentalꢁ screeningꢁ isꢁ available.ꢁ ꢁ Contactꢁ theꢁ factoryꢁ
forꢁinformation.ꢁ
Pin Configuration
Pin No.
Function
RF1ꢁ
Pin No.
9ꢁ
Function
C5ꢁ
1ꢁ
2ꢁ
3ꢁ
4ꢁ
5ꢁ
6ꢁ
7ꢁ
8ꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
RF2ꢁ
10ꢁ
+5Vꢁ
ꢀ5Vꢁ
11ꢁ
12ꢁ
C4ꢁ
13ꢁ
C3ꢁ
14ꢁ
C2ꢁ
15ꢁ
C1ꢁ
Ordering Information
16ꢁ
GNDꢁ
TheꢁmetalꢁbottomꢁofꢁtheꢁcaseꢁmustꢁbeꢁconnectedꢁtoꢁRFꢁandꢁDCꢁ
ground.ꢁ
Part Number
Package
ATꢀ263ꢀPINꢁ
BulkꢁPackagingꢁ
ATꢀ263TRꢁ
ATꢀ263ꢀTBꢁ
1000ꢁpieceꢁreelꢁ
SampleꢁTestꢁBoardꢁ
Note:ꢁꢁReferenceꢁApplicationꢁNoteꢁM513ꢁforꢁreelꢁsizeꢁ
information.ꢁ
Note:ꢁꢁDieꢁquantityꢁvaries.ꢁ
*ꢁRestrictionsꢁonꢁHazardousꢁSubstances,ꢁEuropeanꢁUnionꢁDirectiveꢁ2002/95/EC.ꢁ
1ꢁ
M/AꢀCOMꢁInc.ꢁandꢁitsꢁaffiliatesꢁreserveꢁtheꢁrightꢁtoꢁmakeꢁchangesꢁtoꢁtheꢁ
product(s)ꢁorꢁinformationꢁcontainedꢁhereinꢁwithoutꢁnotice.ꢁM/AꢀCOMꢁmakesꢁ
noꢁwarranty,ꢁrepresentationꢁorꢁguaranteeꢁregardingꢁtheꢁsuitabilityꢁofꢁitsꢁꢁ
productsꢁforꢁanyꢁparticularꢁpurpose,ꢁnorꢁdoesꢁM/AꢀCOMꢁassumeꢁanyꢁliabilityꢁ
whatsoeverꢁarisingꢁoutꢁofꢁtheꢁuseꢁorꢁapplicationꢁofꢁanyꢁproduct(s)ꢁorꢁꢁ
information.ꢁ
•ꢁꢁNorth America Tel:ꢁ800.366.2266ꢁ/ꢁFax:ꢁ978.366.2266ꢁ
•ꢁꢁEurope Tel:ꢁ44.1908.574.200ꢁ/ꢁFax:ꢁ44.1908.574.300ꢁ
•ꢁꢁAsia/PacificꢁꢁTel:ꢁ81.44.844.8296ꢁ/ꢁFax:ꢁ81.44.844.8298ꢁ
ꢁ
Visitꢁwww.macom.com forꢁadditionalꢁdataꢁsheetsꢁandꢁproductꢁinformation.ꢁ