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ADM1181AAN 数据表(PDF) 1 Page - Analog Devices

部件名 ADM1181AAN
功能描述  EMI/EMC Compliant, -15 kV ESD Protected, RS-232 Line Drivers/Receivers
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM1181AAN 数据表(HTML) 1 Page - Analog Devices

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REV. 0
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a EMI/EMCCompliant, 15kVESDProtected,
RS-232 Line Drivers/Receivers
ADM202E/ADM1181A
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCTIONAL BLOCK DIAGRAMS
C1+
C1–
C2+
C2–
VCC
0.1µF
10V
0.1µF
10V
V+
V–
+5V TO +10V
VOLTAGE
DOUBLER
3
1
2
+5V INPUT
C3
0.1µF
10V
4
5
+10V TO –10V
VOLTAGE
INVERTER
6
C4
0.1µF
10V
14
11
T1OUT
T1IN
16
C5
0.1µF
10V
7
10
T2OUT
T2IN
12
13
8
9
ADM1181A
R1OUT
R2OUT
R1IN
R2IN
CMOS
INPUTS
CMOS
OUTPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
*
15
NOTE
*INTERNAL 5k
Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT
GND
C1+
C1–
C2+
C2–
VCC
0.1µF
10V
0.1µF
10V
V+
V–
+5V TO +10V
VOLTAGE
DOUBLER
3
1
2
+5V INPUT
C3
0.1µF
6.3V
4
5
+10V TO –10V
VOLTAGE
INVERTER
6
C4
0.1µF
10V
14
11
T1OUT
T1IN
16
C5
0.1µF
7
10
T2OUT
T2IN
12
13
8
9
ADM202E
R1OUT
R2OUT
R1IN
R2IN
CMOS
INPUTS
CMOS
OUTPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
*
15
NOTE
*INTERNAL 5k
Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT
GND
T1
T2
R1
R2
T1
T2
R1
R2
GENERAL DESCRIPTION
The 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 Transient burst protection (1000-4-4) and Radiated Im-
munity (1000-4-3). EM emissions include radiated and
conducted emissions as required by Information Technology
Equipment EN55022, CISPR22.
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 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 TSSOP package. The TSSOP package gives a
44% space saving over SOIC.
The ADM1181A provides a robust pin compatible upgrade for
the LTC1181A, and it is available in 16-pin DIP and 16-lead
SO packages.
FEATURES
Complies with 89/336/EEC EMC Directive
ESD Protection to IEC1000-4-2 (801.2)
8 kV: Contact Discharge
15 kV: Air-Gap Discharge
15 kV: Human Body Model
EFT Fast Transient Burst Immunity (IEC1000-4-4)
Low EMI Emissions (EN55022)
230 kbits/s Data Rate Guaranteed
TSSOP Package Option
Upgrade for MAX202E, 232E, LT1181A
APPLICATIONS
General Purpose RS-232 Data Link
Portable Instruments
PDAs
ORDERING GUIDE
Model
Temperature Range
Package Option
ADM202EAN
–40
°C to +85°C
N-16
ADM202EARW
–40
°C to +85°C
R-16W
ADM202EARN
–40
°C to +85°C
R-16N
ADM202EARU
–40
°C to +85°C
RU-16
ADM1181AAN
–40
°C to +85°C
N-16
ADM1181AARW
–40
°C to +85°C
R-16W


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