Texas Instruments MAX3238E Bedienungsanleitung

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FEATURES

APPLICATIONS

DOUT1

DOUT2

DOUT3

RIN1

RIN2

DOUT4

RIN3

NC

C1–

DIN1

DIN2

DIN3

ROUT1

ROUT2

DIN4

ROUT3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

C2+

GND

C2−

V−

DOUT1

DOUT2

DOUT3

RIN1

RIN2

DOUT4

RIN3

DOUT5

FORCEON

FORCEOFF

C1+

V+

V

CC

C1−

DIN1

DIN2

DIN3

ROUT1

ROUT2

DIN4

ROUT3

DIN5

ROUT1B

INVALID

DB, DW, OR PW PACKAGE

(TOP VIEW)

RHB PACKAGE

(TOP VIEW)

V−

C2–

GND

C2+

C1+

V+

V

CC

NC

DOUT5

FORCEON

FORCEOFF

INVALID

NC

ROUT1B

DIN5

NC

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

3132302928272625

109111213141516

DESCRIPTION/ORDERINGINFORMATION

MAX3238E

3-VTO5.5-VMULTICHANNELRS-232LINEDRIVER/RECEIVER

WITH±15-kVESD(HBM)PROTECTION

SLLS710A–FEBRUARY2006–REVISEDAPRIL2006

•RS-232Bus-PinESDProtectionExceeds

±15kVUsingHuman-BodyModel(HBM)

•MeetsorExceedstheRequirementsof

TIA/EIA-232-FandITUv.28Standards

•OperatesWith3-Vto5.5-VV

CC

Supply

•Operatesupto400kbit/s

•FiveDriversandThreeReceivers

•Auto-PowerdownPlusFeatureEnables

FlexiblePower-DownMode

•LowStandbyCurrent...1µATypical

•ExternalCapacitors...4×0.1µF

•Accepts5-VLogicInputWith3.3-VSupply

•Always-ActiveNoninvertingReceiverOutput

(ROUT1B)

•AlternativeHigh-SpeedPin-Compatible

Device(1Mbit/s)forSNx5C3238

•ESDProtectionforRS-232InterfacePins

–±15kV–Human-BodyModel(HBM)

–±8kV–IEC61000-4-2,ContactDischarge

–±15kV–IEC61000-4-2,Air-GapDischarge

•Battery-PoweredSystems

•PDAs

•Notebooks

•Subnotebooks

•Laptops

•PalmtopPCs

•Hand-HeldEquipment

•Modems

•Printers

TheMAX3238Econsistsoffivelinedrivers,threelinereceivers,andadualcharge-pumpcircuitwith±15-kV

ESD(HBM)protectiononthedriveroutput(DOUT)andreceiverinput(RIN)terminals.Thedevicemeetsthe

requirementsofTIA/EIA-232-Fandprovidestheelectricalinterfacebetweennotebookandsubnotebook

computerapplications.Thechargepumpandfoursmallexternalcapacitorsallowoperationfromasingle3-Vto

5.5-Vsupply.Inaddition,thedeviceincludesanalways-activenoninvertingoutput(ROUT1B),whichallows

applicationsusingtheringindicatortotransmitdatawhilethedeviceispowereddown.Thisdeviceoperatesat

datasignalingratesupto250kbit/sandamaximumof30-V/µsdriveroutputslewrate.

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2006,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Produktspezifikationen