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MAX3280

更新时间： 2024-11-22 22:58:03
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11页 219K
描述
【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers

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MAX3280 数据手册

 浏览型号MAX3280的Datasheet PDF文件第2页浏览型号MAX3280的Datasheet PDF文件第3页浏览型号MAX3280的Datasheet PDF文件第4页浏览型号MAX3280的Datasheet PDF文件第5页浏览型号MAX3280的Datasheet PDF文件第6页浏览型号MAX3280的Datasheet PDF文件第7页 
19-2320; Rev 0; 1/02  
1ꢀ5k EꢁDꢂ-rotected ꢀ2Mbps, 3k to ꢀ.ꢀk, ꢁOT23  
Rꢁꢂ48ꢀ/Rꢁꢂ422 True Failꢂꢁafe Receivers  
General Description  
Features  
The MAX3280E/MAX3281E/MAX3283E/MAX3284E are  
single receivers designed for RS-485 and RS-422 com-  
munication. These devices guarantee data rates up to  
52Mbps, even with a 3V power supply. Excellent propa-  
gation delay (15ns max) and package-to-package  
skew time (8ns max) make these devices ideal for mul-  
tidrop clock distribution applications.  
o ESD Protection:  
±±15kV–Humn ꢀoꢁd ꢂoꢁeꢃ  
±ꢄ5kVꢅEꢆ ±ꢇꢇꢇ0-0ꢈ2 ꢆontmct Diꢉcꢊmrꢋe  
±±ꢈ5kVꢅEꢆ ±ꢇꢇꢇ0-0ꢈ2 ꢌir0ꢍma Diꢉcꢊmrꢋe  
o ꢍHmrmnteeꢁ 1ꢈꢂbaꢉ Dmtm Rmte  
o ꢍHmrmnteeꢁ ±1nꢉ Receiver Proamꢋmtion Deꢃmd  
o ꢍHmrmnteeꢁ ꢈnꢉ Receiver S5ew  
The MAX3280E/MAX3281E/MAX3283E/MAX3284E  
have true fail-safe circuitry, which guarantees a logic-  
high receiver output when the receiver inputs are  
opened or shorted. The receiver output will be a logic  
high if all transmitters on a terminated bus are disabled  
(high impedance). These devices feature 1/4-unit-load  
receiver input impedance, allowing up to 128 receivers  
on the same bus.  
o ꢍHmrmnteeꢁ 8nꢉ Pmc5mꢋe0to0Pmc5mꢋe S5ew Tiue  
o k Pin for ꢆonnection to FPꢍꢌꢉ/ꢌSꢅꢆꢉ  
L
o ꢌꢃꢃow Ua to ±ꢈ8 Trmnꢉceiverꢉ on tꢊe ꢀHꢉ  
(±/-0Hnit0ꢃomꢁ)  
o Tind SOTꢈ3 Pmc5mꢋe  
The MAX3280E is a single receiver available in a 5-pin  
SOT23 package. The MAX3281E/MAX3283E single  
receivers have a receiver enable (EN or EN) function  
and are offered in a 6-pin SOT23 package. The  
MAX3284E features a voltage logic pin that allows com-  
patibility with low-voltage logic levels, as in digital  
FPGAs/ASICs. On the MAX3284E, the voltage threshold  
o TrHe Fmiꢃ0Smfe Receiver  
o 07k to +±ꢈk ꢆouuon0ꢂoꢁe Rmnꢋe  
o 3k to 1.1k Power0SHaaꢃd Rmnꢋe  
o Enmbꢃe (–iꢋꢊ mnꢁ Low) Pinꢉ for ReꢁHnꢁmnt  
Oaermtion  
for a logic high is user-defined by setting V in the  
L
range from 1.65V to V . The MAX3284E is also  
CC  
o Tꢊree0Stmte OHtaHt Stmꢋe (ꢂꢌX3ꢈ8±E/ꢂꢌX3ꢈ83E)  
o Tꢊerumꢃ Protection ꢌꢋminꢉt OHtaHt Sꢊort ꢆircHit  
offered in a 6-pin SOT23 package.  
Applications  
Ordering Information  
Clock Distribution  
Telecom Racks  
Base Stations  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
MAX3280EAUK-T -40°C to +125°C 5 SOT23-5  
MAX3281EAUT-T -40°C to +125°C 6 SOT23-6  
MAX3283EAUT-T -40°C to +125°C 6 SOT23-6  
MAX3284EAUT-T -40°C to +125°C 6 SOT23-6  
ADVM  
ABAT  
ABAU  
ABAV  
Industrial Control  
Local Area Networks  
Pin Configurations appear at end of data sheet.  
ꢁelector Guide  
PART  
V
ENABLE  
—
DATA RATE  
52Mbps  
PACKAGE  
5-Pin SOT23  
6-Pin SOT23  
6-Pin SOT23  
6-Pin SOT23  
L
MAX3280E  
MAX3281E  
MAX3283E  
MAX3284E  
—
—
—
✔
Active High  
Active Low  
—
52Mbps  
52Mbps  
52Mbps (Note 1)  
Note 1: MAX3284E data rate is dependent on V .  
L
________________________________________________________________ Maxim Integrated Products  
±
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...11

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MAX3280EAUK MAXIM

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MAX3280EAUK/V+ MAXIM

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 		Line Receiver, BICMOS, PDSO5,
MAX3280EAUK/V+T MAXIM

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 		±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT2
MAX3280EAUK+ MAXIM

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MAX3280EAUK+T MAXIM

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 		±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT2

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