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MAX13223E PDF预览

MAX13223E

更新时间： 2024-11-24 05:53:31
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
11页 182K
描述
±70V Fault-Protected, 3.0V to 5.5V, 2Tx/2Rx RS-232 Transceiver

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中文翻译

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MAX13223E 数据手册

 浏览型号MAX13223E的Datasheet PDF文件第2页浏览型号MAX13223E的Datasheet PDF文件第3页浏览型号MAX13223E的Datasheet PDF文件第4页浏览型号MAX13223E的Datasheet PDF文件第5页浏览型号MAX13223E的Datasheet PDF文件第6页浏览型号MAX13223E的Datasheet PDF文件第7页 
19-4585; Rev 0; 4/09  
±±70 Faultꢀ-rotected, 3.70 to 5.50,  
2Tx/2Rx RSꢀ232 Transceiver  
MAX123E  
General Description  
Features  
The MAX13223E is a +3.0V to +5.5V-powered EIA/TIA-  
232 and V.28 communications interface with fault protec-  
tion on the RS-232 line interface. This allows shorts of the  
transmitter outputs and receiver inputs to voltages in the  
±±0V range without adverselꢀ affecting the MAX13223E.  
o ±±70V FaulVꢀPrltelꢁro  
o +3.70VlrV+5.50VSappuyV0rulFgt  
o OvtPvrulFgtVCaPPtolVLꢁmꢁlꢁog  
o CaPPtolVꢀPrltelꢁroVFlVTPFosmꢁlltPVOalpals  
o AalrShaldrwo  
The MAX13223E achieves 1µA supplꢀ current using  
Maxim’s AutoShutdown™ feature. The MAX13223E  
automaticallꢀ enters a low-power shutdown mode when  
the RS-232 cable is disconnected or the receivers are  
inactive. The device turns on again when a valid transi-  
tion at anꢀ receiver input is sensed. A proprietarꢀ, high-  
efficiencꢀ, dual charge-pump power supplꢀ and a  
low-dropout transmitter combine to deliver true RS-232  
performance from a single +3.0V to +5.5V supplꢀ.  
o 257kbpsV(MFx)VDFlFVRFlt  
o LrwVCaPPtolVCrosamplꢁroVꢁoVShaldrwoV1µAV(lyp)  
o ThtPmFuVShaldrwoVꢀPrltelꢁro  
o ±ꢂk0VꢃICVꢄ1777ꢅ-ꢅ2VCrolFelꢅDꢁsehFPgtVMtlhrd  
o ꢅ-7°CVlrV+ꢂ5°CVOptPFlꢁogVTtmptPFlaPtVRFogt  
The MAX13223E has two receivers and two drivers and is  
guaranteed to run at data rates of 250kbps for one trans-  
mitter switching while maintaining RS-232 output levels.  
Ordering Information  
The MAX13223E operates from input voltages ranging  
from +3.0V to +5.5V and is available in a 20-pin, 6.5mm  
x 4.4mm, TSSOP package. The MAX13223E is speci-  
fied over the -40°C to +85°C temperature range.  
ꢀART  
TIMꢀVRANGI  
ꢀꢃNꢅꢀACKAGI  
MAX13223EEUP+  
-40°C to +85°C  
20 TSSOP  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Typical Operating Circuit  
Applications  
Automotive  
V
CC  
Telematics Equipment  
Base Stations  
C
BYPASS  
0.1µF  
Utilitꢀ Meters  
V
CC  
V+  
V-  
C1+  
Industrial Equipment  
Telecomm Equipment  
POS Terminal Equipment  
C3  
C4  
C1  
C2  
C1-  
C2+  
MAX13223E  
C2-  
T1OUT  
T2OUT  
T1IN  
RS-232  
OUTPUTS  
TTL/CMOS  
INPUTS  
T2IN  
R1OUT  
R1IN  
R2IN  
AutoShutdown is a trademark of Maxim Integrated Products, Inc.  
5kΩ  
5kΩ  
TTL/CMOS  
OUTPUTS  
RS-232  
INPUTS  
R2OUT  
TO POWER-  
MANAGEMENT  
UNIT  
TypꢁeFuVOptPFlꢁogVCꢁPeaꢁlVFpptFPsVFlVtodVrfVdFlFVshttl.  
EN  
INVALID  
V
CC  
FORCEOFF  
FORCEON  
GND  
________________________________________________________________ MFxꢁmVꢃoltgPFltdVꢀPrdaels  
1
 rPVpPꢁeꢁog,VdtuꢁvtPy,VFodVrPdtPꢁogVꢁofrPmFlꢁro,VputFstVerolFelVMFxꢁmVDꢁPtelVFlV1ꢅꢂꢂꢂꢅꢄ29ꢅ-ꢄ-2,  
rPVvꢁsꢁlVMFxꢁm’sVwtbsꢁltVFlVwww.mFxꢁmꢅꢁe.erm.  
1234567...11

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