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MAX3381EEUP-T

更新时间： 2024-11-16 13:10:31
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美信 - MAXIM /
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MAX3381EEUP-T 数据手册

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19-2128; Rev 0; 8/01  
+2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers  
with 15ꢀV ESD-ꢁrotected I/O and Logic ꢁins  
General Description  
Features  
The MAX3380E/MAX3381E are +2.35V to +5.5V-pow-  
ered EIA/TIA-232 and V.28/V.24 communication inter-  
faces with low power requirements, high data-rate  
capabilities, and enhanced electrostatic discharge  
(ESD) protection on both the TTL and RS-232 sides.  
The MAX3380E/MAX3381E have two receivers and two  
transmitters. All RS-232 inputs, outputs, and logic input  
pins are protected to 15ꢀV using IEꢁ 1000-4-2 Air-  
Gap Discharge method and the Human Body Model,  
and 8ꢀV using IEꢁ 1000-4-2 ꢁontact Discharge  
method.  
The proprietary low-dropout transmitter output stage  
enables true RS-232 performance from a +3.1V to  
+5.5V supply with a dual charge pump. The parts  
reduce the transmitter output levels to RS-232-compati-  
ble levels with no increase in supply current for sup-  
plies less than +3.1V and greater than +2.35V. The  
+2.35V to +5.5V operating range is fully compatible  
with lithium-ion (Li+) batteries. The charge pump  
requires only four small 0.1µF capacitors for operation.  
o ±±15kV ESVꢀProteoꢁrꢂVrꢂVꢃAAVꢄCMEVꢅꢂnVꢆEꢇ-2-  
IꢂpuosVꢅꢂnVMuopuosV( xetpoVINVALID)  
±±15kVꢈuꢉꢅꢂVꢊrndVCrntA  
±±15kVI ꢄV±ꢋꢋꢋꢇꢌꢇ-VꢃꢁPꢇꢍꢅpVSꢁsecꢅPꢎt  
±ꢏ5kVI ꢄV±ꢋꢋꢋꢇꢌꢇ-VꢄrꢂoꢅeoVSꢁsecꢅPꢎt  
o MptPꢅotsVMvtPV ꢂoꢁPtVLꢁ+VꢊꢅootPdVꢆꢅꢂꢎt  
o LrwVLrꢎꢁeVTcPtscrAnVSrwꢂVorV+±.61kVfrP  
ꢄrꢉpꢅoꢁbꢁAꢁodVwꢁocVꢄtAAVꢀcrꢂtVLrꢎꢁeVEuppAdVkrAoꢅꢎts  
o ±µꢃVLrwꢇꢀrwtPVꢃuorEcuonrwꢂVꢀAusVCrnt  
o ꢄrꢉpꢅoꢁbAtVwꢁocVNtxoꢇꢍtꢂtPꢅoꢁrꢂVꢍECVSꢅoꢅVꢆꢅots  
o -ꢋꢇꢀꢁꢂVTEEMꢀVꢀꢅe5ꢅꢎt  
Ordering Information  
ꢀꢃꢆT  
T Cꢀ.VꢆꢃNꢍ  
ꢀINꢇꢀꢃꢄKꢃꢍ  
CꢃX22ꢏꢋ CUP  
MAX3380EEUP  
CꢃX22ꢏ± CUP  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
20 TSSOP  
20 TSSOP  
20 TSSOP  
The MAX3380E/MAX3381E transceivers use Maxim’s  
revolutionary AutoShutdown Plus™ feature to auto-  
matically enter a 1µA shutdown mode. These  
devices shut down the on-board power supply and  
drivers when they do not sense a valid signal transi-  
tion for 30 seconds on either the receiver or trans-  
mitter inputs.  
MAX3381EEUP  
-40°C to +85°C  
20 TSSOP  
Typical Operating Circuit  
+3.3V  
The MAX3380E is capable of transmitting data at  
rates of 460ꢀbps while maintaining RS-232 output  
levels, and the MAX3381E operates at data rates up  
to 250ꢀbps. The MAX3381E offers a slower slew rate  
for applications where noise and EMI are issues. The  
C5  
0.1µF  
V
V
L
CC  
C1+  
C1-  
C2+  
MAX3380E/MAX3381E have a unique V pin that  
L
C1  
V+  
V-  
allows interoperation in mixed-logic voltage systems  
down to +1.65V. Both input and output logic levels  
0.1µF  
C3  
0.1µF  
MAX3380E/  
MAX3381E  
are referenced to the V pin. The MAX3380E/MAX3381E  
L
C2  
0.1µF  
C4  
0.1µF  
are available in a space-saving TSSOP pacꢀage.  
C2-  
T1OUT  
T2OUT  
T1IN  
Applications  
ꢁell Phone Data Lump ꢁables  
PDA Data Lump ꢁables  
TTL/CMOS  
INPUTS  
RS-232  
OUTPUTS  
T2IN  
V
V
L
GPS Receivers  
R1OUT  
R1IN  
5kΩ  
R2IN  
Digital ꢁameras  
TTL/CMOS  
OUTPUTS  
RS-232  
INPUTS  
L
R2OUT  
AutoShutdown Plus is a trademark of Maxim Integrated Products  
5kΩ  
Pin Configuration appears at end of data sheet.  
GND  
________________________________________________________________ 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...14

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MAX3381EEUP-T 替代型号

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MAX3381EEUP+T MAXIM

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