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SP3224E PDF预览

SP3224E

更新时间: 2024-11-03 02:55:11
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
23页 4363K
描述
3.0V to 5.5V RS-232 Transceivers

SP3224E 数据手册

 浏览型号SP3224E的Datasheet PDF文件第2页浏览型号SP3224E的Datasheet PDF文件第3页浏览型号SP3224E的Datasheet PDF文件第4页浏览型号SP3224E的Datasheet PDF文件第5页浏览型号SP3224E的Datasheet PDF文件第6页浏览型号SP3224E的Datasheet PDF文件第7页 
SP3224E-SP3227E  
®
3.0V to 5.5V RS-232 Transceivers with Auto On-Line Plus  
FEATURES  
■ꢀ 15kVꢀESDꢀprotectedꢀRS-232ꢀI/Oꢀpins  
■ꢀ AutoꢀOn-line ꢀPlusꢀautomaticꢀpowerꢀsavingꢀmodeꢀ  
■ꢀ MeetsꢀtrueꢀEIA/TIA-232-Fꢀstandardsꢀfromꢀ+3.0Vꢀtoꢀ  
+5.5Vꢀpowerꢀsupply.  
SHUTDOWN  
READY  
C1+  
20  
19  
18  
1
2
3
4
5
6
7
8
9
V
CC  
®
GND  
OUT  
V+  
T
1
C1-  
17  
SP3224E  
SP3225E  
R
1
IN  
C2+  
C2-  
16  
15  
14  
13  
12  
11  
■ꢀ AdheresꢀtoꢀEIA/TIA-562ꢀforꢀinteroperabilityꢀwithꢀ  
R
1
OUT  
EIA/TIA-232ꢀdownꢀtoꢀaꢀ+2.7Vꢀsupplyꢀvoltage  
■ꢀ Regulatedꢀchargeꢀpumpꢀyieldsꢀstable  
RS-232ꢀoutputsꢀ  
ONLINE  
IN  
IN  
STATUS  
V-  
T
1
T
2
OUT  
T
2
R
2
IN  
■ꢀ Drop-inꢀreplacementꢀtoꢀMAX3224,ꢀICL3224,ꢀ  
MAX3225,ꢀICL3225,ꢀMAX3226,ꢀICL3226,ꢀ  
MAX3227ꢀandꢀICL3227  
R
2
OUT  
10  
TyPICAL APPLICATIONS  
■ꢀ Diagnostic/Serialꢀportsꢀon  
■ꢀ SP3224EꢀandꢀSP3226EꢀreducedꢀEMIꢀwithꢀaꢀslewꢀ  
rateꢀcontrolledꢀ250kbpsꢀdataꢀrate  
■ꢀ SP3225EꢀandꢀSP3227E-ꢀhighꢀspeedꢀdataꢀrateꢀofꢀ  
1ꢀMbps.ꢀ  
■ꢀ AvailableꢀinꢀRoHSꢀcompliant,ꢀLeadꢀFree  
ꢀ embeddedꢀapplications  
■ꢀ HandheldꢀTestꢀEquipment  
■ꢀ PCꢀrelatedꢀPeripheralsꢀandꢀ  
Packaging  
Equipment  
■ꢀ BatteryꢀPoweredꢀEquipment  
■ꢀ Point-of-saleꢀEquipment  
■ꢀ Set-topꢀBox  
DESCRIPTION  
TheSP3224E/3225Eare2-driver/2-receiverdevicesandtheSP3226E/SP3227Eare1-  
driver/1-receiverꢀdevices.ꢀAllꢀareꢀidealꢀforꢀcomputerꢀperipherals,ꢀpoint-of-saleꢀequipment,ꢀ  
consumerꢀ andꢀ embeddedꢀ applications.ꢀ Theseꢀ devicesꢀ useꢀ anꢀ internalꢀ high-efficiency,ꢀ  
charge-pumpꢀ powerꢀ supplyꢀ thatꢀ requiresꢀ onlyꢀ 0.1μFꢀ capacitorsꢀ inꢀ 3.3Vꢀ operation.Thisꢀ  
chargepumpandExar’sdriverarchitectureallowittodelivercompliantRS-232perfor-  
manceꢀfromꢀaꢀsingleꢀpowerꢀsupplyꢀrangingꢀfromꢀ+3.0Vꢀtoꢀ+5.5V.ꢀꢀAtꢀvoltagesꢀbetweenꢀ2.7Vꢀ  
andꢀ3.0VꢀtheꢀdriverꢀoutputsꢀareꢀcompliantꢀwithꢀRS-562ꢀandꢀcanꢀinterfaceꢀtoꢀRS-232ꢀoverꢀ  
shortꢀcables.  
®
TheꢀAutoꢀOn-line ꢀPlusꢀfeatureꢀallowsꢀtheꢀdeviceꢀtoꢀautomaticallyꢀ“wake-up”ꢀduringꢀaꢀshut-  
downꢀstateꢀuponꢀdetectingꢀactivityꢀandꢀtoꢀenterꢀaꢀlowꢀpowerꢀshutdownꢀifꢀidle.ꢀꢀThisꢀpowerꢀ  
savingꢀfeatureꢀfunctionsꢀwithoutꢀsystemꢀinterventionꢀorꢀmodificationsꢀtoꢀsoftwareꢀorꢀdriv-  
ers.  
SELECTION TABLE  
ꢀꢀꢀꢀꢀAllꢀdevicesꢀfeatureꢀ3.0Vꢀtoꢀ5.5Vꢀpowerꢀsupply,ꢀ4ꢀsmallꢀchargeꢀpumpꢀcapacitors,ꢀandꢀ15kVꢀESDꢀ  
protection.  
Device  
DataꢀRateꢀ(bps)  
No.ꢀofꢀ  
READYꢀpin  
Low-PowerꢀShutdown  
Package  
Drivers/Receivers  
®
SP3224E  
SP3225E  
SP3226E  
SP3227E  
250k  
1M  
2/2  
2/2  
1/1  
1/1  
Yes  
Yes  
Yes  
Yes  
AutoꢀOn-Line ꢀPlus  
20ꢀSSOP/TSSOP  
20ꢀSSOP/TSSOP  
16ꢀSSOP/TSSOP  
16ꢀSSOP/TSSOP  
®
AutoꢀOn-Line ꢀPlus  
®
250k  
1M  
AutoꢀOn-Line ꢀPlus  
®
AutoꢀOn-Line ꢀPlus  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 5ꢀ0-668-70ꢀ7 • www.exar.com  
SP3224E,3225E,3226E,3227E_ꢀ0ꢀ_08ꢀ7ꢀꢀ  

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