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What is ADM202?

This electronic component, produced by the manufacturer "Analog Devices", performs the same function as "CMOS RS-232 Driver/Receiver".


ADM202 Datasheet PDF - Analog Devices

Part Number ADM202
Description CMOS RS-232 Driver/Receiver
Manufacturers Analog Devices 
Logo Analog Devices Logo 


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Data Sheet
FEATURES
120 kB transmission rate
Small (0.1 µF) charge pump capacitors
Single 5 V power supply
Meets TIA/EIA-232-E and V.28 specifications
2 drivers and 2 receivers
On-board dc-to-dc converters
±9 V output swing with 5 V supply
Low power BiCMOS: 2.5 mA ICC
±30 V receiver input levels
APPLICATIONS
Computers
Peripherals
Modems
Printers
Instruments
GENERAL DESCRIPTION
The ADM202 is a 2-channel RS-232 line driver/receiver pair
designed to operate from a single 5 V power supply. A highly
efficient on-chip charge pump design permits RS-232 levels to
be developed using charge pump capacitors as small as 0.1 µF.
This converter generates ±10 V RS-232 output levels.
The ADM202 meets or exceeds the TIA/EIA-232-E and V.28
specifications. Fast driver slew rates permit 120 kB operation,
and high drive currents allow extended cable lengths.
High Speed, 5 V, 0.1 µF
CMOS RS-232 Driver/Receiver
ADM202
TYPICAL APPLICATION CIRCUIT
5V INPUT
0.1µF +
6.3V
1 C1+
3 C1–
+5V TO +10V
VOLTAGE
DOUBLER
VCC 16
V+ 2
0.1µF
+ 6.3V
+ 0.1µF
6.3V
0.1µF +
16V
TTL/CMOS
INPUTS1
T1IN
T2IN
4 C2+
5 C2–
+10V TO –10V
VOLTAGE
INVERTER
11 T1
10 T2
V– 6
14
7
0.1µF
+ 16V
T1OUT
T2OUT
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
R1OUT
R2OUT
12 R1 13
9
GND
15
R2 8
ADM202
R1IN
R2IN
RS-232
INPUTS2
1INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
2INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 1.
An epitaxial BiCMOS construction minimizes power consump-
tion to 10 mW and guards against latch-up. Overvoltage
protection is provided, allowing the receiver inputs to withstand
continuous voltages in excess of ±30 V. In addition, all pins
contain ESD protection to levels greater than 2 kV.
The ADM202 is available in a 16-lead PDIP and both narrow
and wide 16-lead SOIC packages.
Rev. B
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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ADM202 equivalent
ADM202
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 2.
Parameter
VCC
V+
V–
Input Voltages
T1IN, T2IN
R1IN, R2IN
Output Voltages
T1OUT, T2OUT
R1OUT, R2OUT
Short-Circuit Duration
T1OUT, T2OUT
Power Dissipation
16-Lead PDIP (N-16)
16-Lead SOIC (R-16)
16-Lead SOIC (RW-16)
Thermal Impedance, θJA
16-Lead PDIP (N-16)
16-Lead SOIC (R-16)
16-Lead SOIC (RW-16)
Operating Temperature Range
Commercial (J Version)
Storage Temperature Range
Lead Temperature Soldering
Vapor Phase (60 sec)
Infrared (15 sec)
ESD Rating
Rating
6V
(VCC − 0.3 V) to +14 V
+0.3 V to −14 V
−0.3 V to (VCC + 0.3 V)
±30 V
((V+) + 0.3 V) to ((V−) − 0.3 V)
–0.3 V to (VCC + 0.3 V)
Continuous
470 mW
600 mW
500 mW
135°C/W
105°C/W
105°C/W
0°C to 70°C
−65°C to +150°C
215°C
220°C
>2000 V
Data Sheet
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
ESD CAUTION
Rev. B | Page 4 of 10


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