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ADM1181A PDF预览

ADM1181A

更新时间: 2024-11-28 22:47:35
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
12页 166K
描述
EMI/EMC Compliant, +-15 kV ESD Protected, RS-232 Line Drivers/Receivers

ADM1181A 数据手册

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a EMI/EMC Compliant, ؎15 kV ESD Protected,  
RS-232 Line Drivers/Receivers  
ADM202E/ADM1181A  
FEATURES  
FUNCTIO NAL BLO CK D IAGRAMS  
Com plies w ith 89/ 336/ EEC EMC Directive  
ESD Protection to IEC1000-4-2 (801.2)  
؎8 kV: Contact Discharge  
؎15 kV: Air-Gap Discharge  
؎15 kV: Hum an Body Model  
EFT Fast Transient Burst Im m unity (IEC1000-4-4)  
Low EMI Em issions (EN55022)  
230 kbits/ s Data Rate Guaranteed  
TSSOP Package Option  
+5V INPUT  
+5V TO +10V  
VOLTAGE  
DOUBLER  
V
C1+  
C1–  
CC  
0.1µF  
10V  
C3  
0.1µF  
6.3V  
C5  
0.1µF  
V+  
+10V TO –10V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
0.1µF  
10V  
C4  
0.1µF  
10V  
T1  
T2  
T1  
T1  
T2  
OUT  
IN  
EIA/TIA-232  
OUTPUTS  
CMOS  
INPUTS  
T2  
Upgrade for MAX202E, 232E, LT1181A  
OUT  
IN  
APPLICATIONS  
R1  
R2  
R1  
R2  
R1  
IN  
IN  
OUT  
OUT  
CMOS  
OUTPUTS  
EIA/TIA-232  
General Purpose RS-232 Data Link  
Portable Instrum ents  
PDAs  
INPUTS  
*
R2  
ADM202E  
GND  
GENERAL D ESCRIP TIO N  
NOTE  
*
INTERNAL 5kPULL-DOWN RESISTOR ON EACH RS-232 INPUT  
T he ADM202E and ADM1181A are robust, high speed, 2-  
channel RS232/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 di-  
rective on EMC (89/336/EEC). Both the level of electromag-  
netic emissions and immunity are in compliance. EM immunity  
includes ESD protection in excess of ±15 kV on all I/O lines,  
Fast T ransient burst protection (1000-4-4) and Radiated Im-  
munity (1000-4-3). EM emissions include radiated and  
conducted emissions as required by Information T echnology  
Equipment EN55022, CISPR22.  
+5V INPUT  
+5V TO +10V  
VOLTAGE  
DOUBLER  
V
C1+  
C1–  
CC  
0.1µF  
10V  
C5  
0.1µF  
10V  
V+  
C3  
0.1µF  
10V  
+10V TO –10V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
0.1µF  
10V  
C4  
0.1µF  
10V  
T1  
T2  
T1  
T1  
T2  
OUT  
IN  
EIA/TIA-232  
OUTPUTS  
CMOS  
INPUTS  
T2  
OUT  
IN  
T he ADM202E and ADM1181A conform to the EIA-232E and  
CCIT T V.28 specifications and operate at data rates up to  
230 kbps.  
R1  
R2  
R1  
R2  
R1  
IN  
IN  
OUT  
OUT  
CMOS  
OUTPUTS  
EIA/TIA-232  
INPUTS  
*
R2  
Four external 0.1 µF charge pump capacitors are used for the  
voltage doubler/inverter permitting operation from a single +5 V  
supply.  
ADM1181A  
GND  
T he ADM202E provides a robust pin-compatible upgrade for  
existing ADM202, ADM232L or MAX202E/MAX232E sock-  
ets. It is available in a 16-pin DIP, wide and narrow SO and also  
a space saving T SSOP package. T he T SSOP package gives a  
44% space saving over SOIC.  
NOTE  
*INTERNAL 5kPULL-DOWN RESISTOR ON EACH RS-232 INPUT  
O RD ERING GUID E  
Model  
Tem perature Range  
P ackage O ption  
T he ADM1181A provides a robust pin compatible upgrade for  
the LT C1181A, and it is available in 16-pin DIP and 16-lead  
SO packages.  
ADM202EAN  
ADM202EARW  
ADM202EARN  
ADM202EARU  
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
N-16  
R-16W  
R-16N  
RU-16  
ADM1181AAN  
ADM1181AARW  
–40°C to +85°C  
–40°C to +85°C  
N-16  
R-16W  
REV. 0  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
© Analog Devices, Inc., 1996  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700 Fax: 617/ 326-8703  

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