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MAX3243E

更新时间： 2024-11-06 14:58:03
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亚德诺 - ADI /
页数 文件大小 规格书
19页 686K
描述
±15kV ESD保护、1μA、3.0V至5.5V、250kbps RS-232收发器，带有AutoShutdown

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MAX3243E 数据手册

 浏览型号MAX3243E的Datasheet PDF文件第2页浏览型号MAX3243E的Datasheet PDF文件第3页浏览型号MAX3243E的Datasheet PDF文件第4页浏览型号MAX3243E的Datasheet PDF文件第5页浏览型号MAX3243E的Datasheet PDF文件第6页浏览型号MAX3243E的Datasheet PDF文件第7页 
19-1283; Rev 7; 8/11  
1ꢀ5k EꢁDꢂ-rotected, 1µA, 3.0k to ꢀ.ꢀk, 2ꢀ05bps,  
Rꢁꢂ232 Transceivers with Autoꢁhutdown  
1/MAX243E  
General Description  
Next Generation Device Features  
The MAX3221E/MAX3223E/MAX3243E are 3V-powered  
EIA/TIA-232 and V.28/V.24 communications interfaces  
with automatic shutdown/wakeup features, high data-  
rate capabilities, and enhanced electrostatic discharge  
(ESD) protection. All transmitter outputs and receiver  
inputs are protected to 1ꢀkV using IEꢁ 1ꢂꢂꢂ-4-2 Air-  
Gap Discharge, to 8kV using IEꢁ 1ꢂꢂꢂ-4-2 ꢁontact  
Discharge, and to 1ꢀkV using the ꢃuman ꢄodꢅ Model.  
o For Space-Constrained Applications:  
MAX3228E/MAX3229E: 15kV ESD-Protected, +2.5V  
to +5.5V RS-232 Transceivers in UCSP™  
MAX3222E/MAX3232E/MAX3237E/MAX3241E/  
MAX3246E: 15kV ESD-Protected Down to 10nA,  
+3.0V to +5.5V, Up to 1Mbps, True RS-232  
Transceivers (MAX3246E Available in a UCSP  
Package)  
The MAX3221E/MAX3223E/MAX3243E achieve a  
1µA supplꢅ current with Maxim’s revolutionarꢅ  
AutoShutdown™ feature. Theꢅ save power without  
changes to the existing ꢄIOS or operating sꢅstem bꢅ enter-  
ing low-power shutdown mode when the RS-232 cable is  
disconnected, or when the transmitters of the connected  
peripherals are off.  
o For Data Cable Applications:  
MAX3380E/MAX3381E: +2.35V to +5.5V, 1µA,  
2Tx/2Rx RS-232 Transceivers with 15kV ESD-  
Protected I/O and Logic Pins  
Ordering Information  
The transceivers have a proprietarꢅ low-dropout trans-  
mitter output stage, delivering true RS-232 performance  
from a +3.ꢂV to +ꢀ.ꢀV supplꢅ with a dual charge pump.  
The charge pump requires onlꢅ four small ꢂ.1µF capaci-  
tors for operation from a +3.3V supplꢅ. Each device is  
guaranteed to run at data rates of 2ꢀꢂkbps while main-  
taining RS-232 output levels.  
PART  
TEMP RANGE  
ꢂ°ꢁ to +7ꢂ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
ꢂ°ꢁ to +7ꢂ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
-4ꢂ°ꢁ to +8ꢀ°ꢁ  
PIN-PACKAGE  
16 TQFN-EP*  
16 TSSOP  
16 SSOP  
MAX3221EꢁTE+  
MAX3221EꢁUE+  
MAX3221EꢁAE+  
MAX3221EEAE+  
MAX3221EETE+  
MAX3221EEUE+  
MAX3223EꢁPP+  
MAX3223EꢁAP+  
MAX3223EꢁUP+  
MAX3223EꢁTP+  
MAX3223EEPP+  
MAX3223EEAP+  
MAX3223EEUP+  
MAX3223EETP+  
16 SSOP  
16 TQFN-EP*  
16 TSSOP  
2ꢂ PDIP  
The MAX3221E contains just one driver and one receiver,  
making it the smallest single-supplꢅ RS-232 transceiver.  
The MAX3223E has two drivers and two receivers. The  
MAX3243E is a complete 3-driver/ꢀ-receiver serial port  
ideal for notebook or subnotebook computers. It also  
includes two noninverting receiver outputs that are alwaꢅs  
active, allowing external devices to be monitored without  
forward biasing the protection diodes in circuitrꢅ that maꢅ  
be powered down.  
2ꢂ SSOP  
2ꢂ TSSOP  
2ꢂ TQFN-EP*  
2ꢂ PDIP  
2ꢂ SSOP  
2ꢂ TSSOP  
2ꢂ TQFN-EP*  
2ꢂ TSSOP  
The MAX3221E, MAX3223E, and MAX3243E are avail-  
able in space-saving TQFN, SSOP, and TSSOP pack-  
ages.  
MAX3223EEUP/V+  
*Exposed pad.  
+Denotes a lead(Pb)-free/RoꢃS-compliant package.  
/V denotes an automotive qualified part.  
Applications  
Notebook, Subnotebook, and Palmtop ꢁomputers  
ꢁellular Phones  
Ordering Information continued at end of data sheet.  
ꢄatterꢅ-Powered Equipment  
ꢃandheld Equipment  
Peripherals  
ꢁelector Guide  
NO. OF  
DRIVERS/  
RECEIVERS  
VCC  
PART  
RANGE  
(V)  
AutoShutdown  
Printers  
MAX3221E  
MAX3223E  
MAX3243E  
1/1  
2/2  
3/5  
+3.0 to +5.5  
+3.0 to +5.5  
+3.0 to +5.5  
ꢀ
ꢀ
ꢀ
Pin Configurations appear at end of data sheet.  
Typical Operating Circuits appear at end of data sheet.  
AutoShutdown and UꢁSP are trademarks of Maxim Integrated Products, Inc.  
†
ꢁovered bꢅ U.S. Patent numbers 4,636,93ꢂ; 4,679,134; 4,777,ꢀ77; 4,797,899; 4,8ꢂ9,1ꢀ2; 4,897,774; 4,999,761; ꢀ,649,21ꢂ; and other patents pending.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...19

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