AT-232-PIN [TE]
Digital Attenuator, 30.0dB, 4-Bit, TTL Driver, DC - 2.0 GHz; 数字衰减器， 30.0分贝， 4位， TTL驱动器， DC - 2.0 GHz的
| 型号： | AT-232-PIN |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Digital Attenuator, 30.0dB, 4-Bit, TTL Driver, DC - 2.0 GHz |
| 文件： | 总4页 (文件大小：161K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RoHS
Compliant
Digital Attenuator
30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz
AT-232-PIN
V4
Features
Functional Schematic
•
•
Attenuation:ꢁ2ꢁdBꢁstepsꢁtoꢁ30ꢁdBꢁ
TemperatureꢁStability:ꢁ±ꢁ0.18ꢁdBꢁfromꢁ–55°Cꢁtoꢁ
+85°CꢁTypicalꢁ
LowꢁDCꢁPowerꢁConsumptionꢁ
HermeticꢁSurfaceꢁMountꢁPackageꢁ
FastꢁSwitchingꢁSpeed,ꢁ12ꢁnsꢁTypicalꢁ
50ꢁOhmꢁNominalꢁImpedanceꢁ
LeadꢀFreeꢁCRꢀ6ꢁPackageꢁ
PINꢁ1ꢁꢁVC1
RF1ꢁꢁPINꢁ16
16ꢁdB
/VC1
VC2
GND
•
•
•
•
•
•
ꢁ
GND
8ꢁdB
/VC2
GND
VC3
GND
4ꢁdB
/VC3
GND
260°CꢁReflowꢁCompatibleꢁꢁ
VC4
GNDꢁOrientationꢁMark
RF2
2ꢁdB
/VC4
Description
M/AꢀCOM’sꢁATꢀ232ꢀPINꢁisꢁaꢁGaAsꢁFETꢁ4ꢀbitꢁdigitalꢁ
attenuatorꢁwithꢁaꢁ2ꢁdBꢁminimumꢁstepꢁsizeꢁandꢁ30ꢁdBꢁ
totalꢁattenuation.ꢁꢁThisꢁattenuatorꢁisꢁinꢁaꢁhermeticallyꢁ
sealedꢁceramicꢁ16ꢀleadꢁsurfaceꢁmountꢁpackage.ꢁTheꢁ
ATꢀ232ꢀPINꢁisꢁideallyꢁsuitedꢁforꢁuseꢁwhereꢁaccuracy,ꢁ
fastꢁswitching,ꢁveryꢁlowꢁpowerꢁconsumptionꢁandꢁlowꢁ
intermodulationꢁproductsꢁareꢁrequired.ꢁꢁTypicalꢁappliꢀ
cationsꢁ includeꢁ dynamicꢁ rangeꢁ settingꢁ inꢁ precisionꢁ
receiverꢁ circuitsꢁ andꢁ otherꢁ gain/levelingꢁ controlꢁ cirꢀ
cuits.ꢁꢁEnvironmentalꢁscreeningꢁisꢁavailable.ꢁꢁContactꢁ
theꢁfactoryꢁforꢁinformation.ꢁ
Pin Configuration
Pin No.
Function
VC1ꢁ
Pin No.
9ꢁ
Function
RF2ꢁ
1ꢁ
2ꢁ
3ꢁ
4ꢁ
5ꢁ
6ꢁ
7ꢁ
8ꢁ
/VC1ꢁ
VC2ꢁ
10ꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
GNDꢁ
RF1ꢁ
11ꢁ
/VC2ꢁ
VC3ꢁ
12ꢁ
13ꢁ
/VC3ꢁ
VC4ꢁ
14ꢁ
15ꢁ
/VC4ꢁ
16ꢁ
Ordering Information
TheꢁmetalꢁbottomꢁofꢁtheꢁcaseꢁmustꢁbeꢁconnectedꢁtoꢁRFꢁandꢁDCꢁ
ground.ꢁ
Part Number
Package
ATꢀ232ꢀPINꢁ
BulkꢁPackagingꢁ
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.ꢁ
RoHS
Compliant
Digital Attenuator
30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz
AT-232-PIN
V4
Electrical Specifications: From –55°C to +85°C1
Parameter
Test Conditions
Frequency
Units
Min
Typ
Max
ReferenceꢁInsertionꢁLossꢁ
—ꢁ
DCꢁꢀꢁ0.5ꢁGHzꢁ
DCꢁꢀꢁ1.0ꢁGHzꢁ
DCꢁꢀꢁ2.0ꢁGHzꢁ
dBꢁ
dBꢁ
dBꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
2.0ꢁ
2.3ꢁ
2.5ꢁ
AttenuationꢁAccuracyꢁ2ꢁ
AnyꢁSingleꢁBitꢁ
DCꢁꢀꢁ1.0ꢁGHzꢁ
DCꢁꢀꢁ2.0ꢁGHzꢁ
ꢁ
±ꢁ(0.15ꢁdBꢁ+3%ꢁofꢁattenꢁsettingꢁinꢁdB)ꢁdBꢁ
±ꢁ(0.2ꢁdBꢁ+3%ꢁofꢁattenꢁsettingꢁinꢁdB)ꢁdBꢁ
Orꢁ±ꢁ0.45ꢁdB,ꢁwhicheverꢁisꢁgreaterꢁ
ꢁ
ꢁ
AnyꢁCombinationꢁofꢁBitsꢁ
DCꢁꢀꢁ1.0ꢁGHzꢁ
DCꢁꢀꢁ2.0ꢁGHzꢁ
±ꢁ(0.22ꢁdBꢁ+3%ꢁofꢁattenꢁsettingꢁinꢁdB)ꢁdBꢁ
±ꢁ(0.25ꢁdBꢁ+4%ꢁofꢁattenꢁsettingꢁinꢁdB)ꢁdBꢁ
Orꢁ±ꢁ0.45ꢁdB,ꢁwhicheverꢁisꢁgreaterꢁ
VSWRꢁ
Trise,ꢁTfallꢁ
—ꢁ
DCꢁꢀꢁ2.0ꢁGHzꢁ
Ratioꢁ
nsꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
12ꢁ
18ꢁ
25ꢁ
1.6:1ꢁ
—ꢁ
10%ꢁtoꢁ90%ꢁ
—ꢁ
—ꢁ
—ꢁ
Ton,ꢁToffꢁ
50%ꢁControlꢁtoꢁ90/10%ꢁRFꢁ
InꢀBandꢁ(peakꢀpeak)ꢁ
nsꢁ
—ꢁ
Transientsꢁ
mVꢁ
—ꢁ
1ꢁdBꢁCompressionꢁ
InputꢁPowerꢁ
InputꢁPowerꢁ
0.05ꢁGHzꢁ
0.5ꢁꢀꢁ2.0ꢁGHzꢁ
dBmꢁ
dBmꢁ
—ꢁ
—ꢁ
+20ꢁ
+28ꢁ
—ꢁ
—ꢁ
InputꢁIP3ꢁ
InputꢁIP2ꢁ
ForꢁtwoꢀtoneꢁInputꢁPowerꢁ
Upꢁtoꢁ+5ꢁdBmꢁ
0.05ꢁGHzꢁ
0.5ꢁꢀꢁ2.0ꢁGHzꢁ
dBmꢁ
dBmꢁ
—ꢁ
—ꢁ
+40ꢁ
+50ꢁ
—ꢁ
—ꢁ
ForꢁtwoꢀtoneꢁInputꢁPowerꢁ
Upꢁtoꢁ+5ꢁdBmꢁ
0.05ꢁGHzꢁ
0.5ꢁꢀꢁ2.0ꢁGHzꢁ
dBmꢁ
dBmꢁ
—ꢁ
—ꢁ
+45ꢁ
+68ꢁ
—ꢁ
—ꢁ
InputꢁLeakageꢁCurrentꢁ(Low)ꢁ
InputꢁLeakageꢁCurrentꢁ(High)ꢁ
ꢀ0.2ꢁtoꢁ0Vꢁ
—ꢁ
—ꢁ
ꢂAꢁ
ꢂAꢁ
—ꢁ
—ꢁ
—ꢁ
—ꢁ
20ꢁ
ꢀ8.0ꢁtoꢁꢀ5.0Vꢁ
200ꢁ
1.ꢁ Allꢁspecificationsꢁapplyꢁwhenꢁoperatedꢁwithꢁcontrolꢁvoltagesꢁofꢁ0.0Vꢁtoꢁꢀ5.0V.ꢁ
2.ꢁ Thisꢁattenuatorꢁisꢁguaranteedꢁmonotonic.ꢁ
Absolute Maximum Ratings 3,4
Parameter
Absolute Maximum
MaxꢁInputꢁPowerꢁ
0.05ꢁGHzꢁ
0.5ꢁꢀꢁ2.0ꢁGHzꢁ
ꢁ
+27ꢁdBmꢁ
+34ꢁdBmꢁ
ControlꢁVoltage5ꢁ
OperatingꢁTemperatureꢁ
StorageꢁTemperatureꢁ
+0.5V,ꢁꢀ8.5Vꢁ
ꢀ55°Cꢁtoꢁ+125°Cꢁ
ꢀ65°Cꢁtoꢁ+150°Cꢁ
3.ꢁ Exceedingꢁanyꢁoneꢁorꢁcombinationꢁofꢁtheseꢁlimitsꢁmayꢁ
causeꢁpermanentꢁdamageꢁtoꢁthisꢁdevice.ꢁ
4.ꢁ M/AꢀCOMꢁdoesꢁnotꢁrecommendꢁsustainedꢁoperationꢁnearꢁ
theseꢁsurvivabilityꢁlimits.ꢁ
5.ꢁ StandardꢁCMOSꢁTTLꢁinterface,ꢁlatchꢀupꢁwillꢁoccurꢁifꢁlogicꢁꢁ
signalꢁisꢁappliedꢁpriorꢁtoꢁpowerꢁsupply.ꢁ
2ꢁ
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.ꢁ
RoHS
Compliant
Digital Attenuator
30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz
AT-232-PIN
V4
Truth Table (Digital Attenuator)
Handling Procedures
Control Inputs
Pleaseꢁobserveꢁtheꢁfollowingꢁprecautionsꢁtoꢁavoidꢁ
damage:ꢁ
ꢁ
/VC4 VC4 /VC3 VC3 /VC2 VC2 /VC1 VC1 Atten.
(dB)
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
Ref.ꢁ
2ꢁdBꢁ
4ꢁdBꢁ
8ꢁdBꢁ
16ꢁdBꢁ
30ꢁdBꢁ
Static Sensitivity
Galliumꢁ Arsenideꢁ Integratedꢁ Circuitsꢁ areꢁ sensitiveꢁ
toꢁ electrostaticꢁ dischargeꢁ (ESD)ꢁ andꢁ canꢁ beꢁ
damagedꢁbyꢁstaticꢁelectricity.ꢁꢁProperꢁESDꢁcontrolꢁ
techniquesꢁ shouldꢁ beꢁ usedꢁ whenꢁ handlingꢁ theseꢁ
devices.ꢁ
ꢀ5Vꢁ ꢀ5Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
0Vꢁ
ꢀ5Vꢁ
ꢀ5Vꢁ
0Vꢁ
ꢀ5Vꢁ ꢀ5Vꢁ
ꢀ5Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
0Vꢁ
ꢀ5Vꢁ
Typical Performance Curves
VSWR vs. Frequency
Ref. Insertion Loss vs. Frequency
- 55 °C
+ 25 °C
+ 85 °C
2 dB
4 dB 8 dB 16 dB 30 dB Insertion Loss
4
3
2
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy vs. Frequency
2 dB
16 dB
4 dB
8 dB
30 dB
3.00
2.50
2.00
1.50
1.00
0.50
0.00
ꢀ 0.50
ꢀ 1.00
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
3ꢁ
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.ꢁ
RoHS
Compliant
Digital Attenuator
30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz
AT-232-PIN
V4
Lead-Free, CR-6 Ceramic Package†
†ꢁꢁ
ReferenceꢁApplicationꢁNoteꢁM538ꢁforꢁleadꢀfreeꢁsolderꢁreflowꢁ
recommendations.ꢁ
4ꢁ
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.ꢁ
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