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ADM202EARWZ

更新时间： 2024-11-20 03:19:27
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
16页 245K
描述
EMI/EMC-Compliant, +-15 kV, ESD-Protected RS-232 Line Drivers/Receivers

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ADM202EARWZ 数据手册

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EMI/EMC-Compliant, ± ±1 ꢀk, EꢁS-ꢂPotꢃetꢃꢄ  
Rꢁ-232 Linꢃ SPivꢃPs/RꢃeꢃivꢃPs  
ASM202E/ASM±±8±A  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
5V INPUT  
Complies with 89/336/EEC EMC directive  
ESD protection to IEC1000-4-2 (801.2)  
8 kꢀ: contact discharge  
+5V TO +10V  
VOLTAGE  
DOUBLER  
C1+  
C1–  
V
CC  
0.1µF  
10V  
C3  
0.1µF  
6.3V  
C5  
0.1µF  
V+  
+10V TO –10V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
15 kꢀ: air-gap discharge  
15 kꢀ: human body model  
0.1µF  
10V  
C4  
0.1µF  
10V  
EFT fast transient/burst immunity (IEC1000-4-4)  
Low EMI emissions (EN55022)  
230 kbits/s data rate guaranteed  
TSSOP package option  
T1  
T2  
T1  
T1  
OUT  
IN  
EIA/TIA-232  
OUTPUTS  
CMOS  
INPUTS  
T2  
R1  
T2  
IN  
OUT  
R1  
R2  
R1  
R2  
IN  
OUT  
OUT  
Upgrade for MAX202E, 232E, LT1181A  
EIA/TIA-232  
CMOS  
OUTPUTS  
INPUTS  
*
R2  
IN  
APPLICATIONS  
General-purpose RS-232 data link  
Portable instruments  
PDAs  
ADM202E  
GND  
*
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT  
Figure 1.  
5V INPUT  
+5V TO +10V  
VOLTAGE  
DOUBLER  
V
C1+  
C1–  
0.1µF  
10V  
CC  
C5  
0.1µF  
10V  
V+  
V–  
C3  
0.1µF  
10V  
+10V TO –10V  
VOLTAGE  
INVERTER  
0.1µF  
10V  
C2+  
C2–  
C4  
0.1µF  
10V  
T1  
T2  
T1  
T2  
T1  
IN  
IN  
OUT  
EIA/TIA-232  
OUTPUTS  
CMOS  
INPUTS  
GENERAL DESCRIPTION  
T2  
R1  
R2  
OUT  
The ADM202E and ADM1181A are robust, high speed,  
2-channel RS-232/V.28 interface devices that operate from a  
single 5 V power supply. Both products are suitable for operation  
in harsh electrical environments and are compliant with the EU  
directive on EMC (89/336/EEC). Both the level of electromagnetic  
emissions and immunity are in compliance. EM immunity  
includes ESD protection in excess of 15 kV on all I/O lines,  
fast transient/burst protection (1000-4-4), and radiated  
immunity (1000-4-3). EM emissions include radiated and  
conducted emissions as required by Information Technology  
Equipment EN55022, CISPR22.  
R1  
R2  
R1  
IN  
IN  
OUT  
OUT  
EIA/TIA-232  
CMOS  
OUTPUTS  
INPUTS  
*
R2  
ADM1181A  
GND  
*
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT  
Figure 2.  
The ADM202E provides a robust pin-compatible upgrade for  
existing ADM202, ADM232L, or MAX202E/MAX232E sockets.  
It is available in a 16-lead PDIP, a wide SOIC, a narrow SOIC,  
and a space-saving TSSOP package that is 44% smaller than the  
SOIC package.  
The ADM202E and ADM1181A conform to the EIA-232E  
and CCITT V.28 specifications and operate at data rates up  
to 230 kbps.  
Four external 0.1 µF charge-pump capacitors are used for the  
voltage doubler/inverter, permitting operation from a single  
5 V supply.  
The ADM1181A provides a robust pin-compatible upgrade for  
the LTC1181A, and it is available in a 16-lead PDIP package  
and a wide 16-lead SOIC package.  
Rev. C  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
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ADM202EARWZ 替代型号

型号 品牌 替代类型 描述 数据表
MAX202EWE+ MAXIM

完全替代

 Line Driver, 2 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, ROHS COMPLIANT, SO-16
ADM202EARUZ ADI

类似代替

 EMI/EMC-Compliant, +-15 kV, ESD-Protected RS-232 Line Drivers/Receivers

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