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General Description
The MAX202E-MAX213E, MAX232E, and MAX241E are
a family of RS-232 and V.28 transceivers with high ±15kV
ESD HBM protection and integrated charge pump circuitry
for single +5V supply operation. The various combinations
of features are outlined in the Selector Guide. The drivers
and receivers for all ten devices meet all EIA/TIA-232E
and CCITT V.28 specifications at data rates up to 120kbps
when loaded.
The MAX211E/MAX213E/MAX241E are available in 28-pin
SO and SSOP packages. The MAX202E/MAX232E come
in 16-pin TSSOP, narrow SO, wide SO, and DIP packages.
The MAX203E comes in a 20-pin DIP/SO package, and
needs no external charge-pump capacitors. The MAX205E
comes in a 24-pin wide DIP package, and also eliminates
external charge-pump capacitors.
Applications
● Battery-Powered Equipment
● Hand-Held Equipment
● Portable Diagnostics Equipment
Benets and Features
● Saves Board Space
• Integrated High ±15kV HBM ESD Protection
• Integrated Charge Pump Circuitry
- Eliminates the Need for a Bipolar ±12V Supply
- Enables Single Supply Operation From +5V Supply
• Integrated 0.1μF Capacitors (MAX203E, MAX205E)
• 24 pin SSOP Package Saves up to 40% Versus SO
Package
● Saves Power for Reduced Power Requirements
• 1μA Shutdown Mode
• 15μA Shutdown Mode for MAX213E
Ordering Information continued at end of data sheet.
Pin Configurations and Typical Operating Circuits appear
at end of data sheet.
AutoShutdown and UCSP are trademarks of Maxim Integrated
Products, Inc.
19-0175; Rev 8; 1/21
PART TEMP RANGE PIN-PACKAGE
MAX202ECPE 0°C to +70°C 16 Plastic DIP
MAX202ECSE 0°C to +70°C 16 Narrow SO
PART
NO. OF RS-232
DRIVERS
NO. OF RS-232
RECEIVERS
RECEIVERS
ACTIVE IN
SHUTDOWN
NO. OF
EXTERNAL
CAPACITORS
(μF)
LOW-POWER
SHUTDOWN
TTL TRI-
STATE
MAX202E 2 2 0 4 (0.1) No No
MAX203E 2 2 0 None No No
MAX205E 5 5 0 None Yes Yes
MAX206E 4 3 0 4 (0.1) Yes Yes
MAX207E 5 3 0 4 (0.1) No No
MAX208E 4 4 0 4 (0.1) No No
MAX211E 4 5 0 4 (0.1) Yes Yes
MAX213E 4 5 2 4 (0.1) Yes Yes
MAX232E 2 2 0 4 (1) No No
MAX241E 4 5 0 4 (1) Yes Yes
±15kV ESD-Protected,
5V RS-232 Transceivers
MAX202E–MAX213E,
MAX232E/MAX241E
Evaluation Kit
Available
Design
Resources
Tools
and Models
Support
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2021 Analog Devices, Inc. All rights reserved.
©
2021 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.
Click here to ask an associate for production status of specific part numbers.
Selector Guide
Ordering Information

V
CC
..........................................................................-0.3V to +6V
V+ .............................................................. (V
CC
- 0.3V) to +14V
V- ..........................................................................-14V to +0.3V
Input Voltages
T_IN .........................................................-0.3V to (V+ + 0.3V)
R_IN.................................................................................±30V
Output Voltages
T_OUT .............................................(V- - 0.3V) to (V+ + 0.3V)
R_OUT .................................................. -0.3V to (V
CC
+ 0.3V)
Short-Circuit Duration, T_OUT ..................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C) ... 842mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ..... 696mW
16-Pin Wide SO (derate 9.52mW/°C above +70°C) ...762mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ........ 755mW
20-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ..... 889mW
20-Pin SO (derate 10.00mW/°C above +70°C) ........... 800mW
24-Pin Narrow Plastic DIP
(derate 13.33mW/°C above +70°C) ..............................1.07W
24-Pin Wide Plastic DIP
(derate 14.29mW/°C above +70°C) ..............................1.14W
24-Pin SO (derate 11.76mW/°C above +70°C) ...........941mW
24-Pin SSOP (derate 8.00mW/°C above +70°C) ........640mW
28-Pin SO (derate 12.50mW/°C above +70°C) .................. 1W
28-Pin SSOP (derate 9.52mW/°C above +70°C) ........762mW
Operating Temperature Ranges
MAX2_ _EC_ _ ...................................................0°C to +70°C
MAX2_ _EE_ _ ............................................... -40°C to +85°C
Storage Temperature Range ..............................65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
(V
CC
= +5V ±10% for MAX202E/206E/208E/211E/213E/232E/241E; V
CC
= +5V ±5% for MAX203E/205E/207E; C1–C4 = 0.1μF for
MAX202E/206E/207E/208E/211E/213E; C1–C4 = 1μF for MAX232E/241E; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values
are at T
A
= +25°C.)
Electrical Characteristics
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC CHARACTERISTICS
V
CC
Supply Current I
CC
No load,
T
A
= +25°C
MAX202E/203E 8 15
mA
MAX205E–208E 11 20
MAX211E/213E 14 20
MAX232E 5 10
MAX241E 7 15
Shutdown Supply Current
T
A
= +25°C,
Figure 1
MAX205E/206E 1 10
μAMAX211E/241E 1 10
MAX213E 15 50
LOGIC
Input Pullup Current
T_IN = 0V (MAX205E–208E/211E/213E/241E)
15 200 μA
Input Leakage Current T_IN = 0V to V
CC
(MAX202E/203E/232E) ±10 μA
Input Threshold Low V
IL
T_IN; EN, SHDN (MAX213E) or
EN, SHDN (MAX205E–208E/211E/241E)
0.8 V
Input Threshold High V
IH
T_IN 2.0
V
EN, SHDN (MAX213E) or EN, SHDN
(MAX205E–208E/211E/241E)
2.4
Output-Voltage Low V
OL
R_OUT; I
OUT
= 3.2mA (MAX202E/203E/232E) or
I
OUT
= 1.6mA (MAX205E/208E/211E/213E/241E)
0.4 V
Output-Voltage High V
OH
R_OUT; I
OUT
= -1.0mA 3.5 V
CC
- 0.4 V
Output Leakage Current
EN = V
CC
, EN = 0V, 0V ≤ R
OUT
≤ V
CC
,
MAX205E–208E/211E/213E/241E outputs
disabled
±0.05 ±10 μA
www.analog.com
Analog Devices
│
2
MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.

(V
CC
= +5V ±10% for MAX202E/206E/208E/211E/213E/232E/241E; V
CC
= +5V ±5% for MAX203E/205E/207E; C1–C4 = 0.1μF for
MAX202E/206E/207E/208E/211E/213E; C1–C4 = 1μF for MAX232E/241E; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values
are at T
A
= +25°C.)
Note 1: MAX211EE_ _ tested with V
CC
= +5V ±5%.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
EIA/TIA-232E RECEIVER INPUTS
Input Voltage Range -30 30 V
Input Threshold Low
T
A
= +25°C,
V
CC
= 5V
All parts, normal operation 0.8 1.2
V
MAX213E, SHDN = 0V,
EN = V
CC
0.6 1.5
Input Threshold High
T
A
= +25°C,
V
CC
= 5V
All parts, normal operation 1.7 2.4
V
MAX213E (R4, R5),
SHDN = 0V, EN = V
CC
1.5 2.4
Input Hysteresis V
CC
= 5V, no hysteresis in shutdown 0.2 0.5 1.0 V
Input Resistance T
A
= +25°C, V
CC
= 5V 3 5 7 kΩ
EIA/TIA-232E TRANSMITTER OUTPUTS
Output Voltage Swing All drivers loaded with 3kΩ to ground (Note 1) ±5 ±9 V
Output Resistance V
CC
= V+ = V- = 0V, V
OUT
= ±2V 300 Ω
Output Short-Circuit Current ±10 ±60 mA
TIMING CHARACTERISTICS
Maximum Data Rate
R
L
= 3kΩ to 7kΩ, C
L
= 50pF to 1000pF,
one transmitter switching
120 kbps
Receiver Propagation Delay
t
PLHR
,
t
PHLR
C
L
= 150pF
All parts, normal operation 0.5 10
µs
MAX213E (R4, R5),
SHDN = 0V, EN = V
CC
4 40
Receiver Output Enable Time
MAX205E/206E/211E/213E/241E normal
operation, Figure 2
600 ns
Receiver Output Disable Time
MAX205E/206E/211E/213E/241E normal
operation, Figure 2
200 ns
Transmitter Propagation Delay
t
PLHT
,
t
PHLT
R
L
= 3kΩ, C
L
= 2500pF, all transmitters
loaded
2 µs
Transition-Region Slew Rate
T
A
= +25°C, V
CC
= 5V, R
L
= 3kΩ to 7kΩ,
C
L
= 50pF to 1000pF, measured from -3V to
+3V or +3V to -3V, Figure 3
3 6 30 V/μs
ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS
ESD-Protection Voltage
Human Body Model ±15
kVIEC1000-4-2, Contact Discharge ±8
IEC1000-4-2, Air-Gap Discharge ±15
www.analog.com
Analog Devices
│
3
MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Electrical Characteristics (continued)

Analog Devices
│
4
www.analog.com
MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Typical Operating Characteristics
5.0
0
MAX232E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX202E-TOC1
LOAD CAPACITANCE (pF)
V
OH
, -V
OL
(V)
5.5
6.0
6.5
7.0
7.5
8.0
1000 2000 3000 4000 5000
V
CC
= 5.5V
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
V
CC
= 4.5V
V
CC
= 5.0V
5.0
0
MAX211E/MAX213E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX202E-TOC4
LOAD CAPACITANCE (pF)
V
OH
, -V
OL
(V)
5.5
6.0
6.5
7.0
7.5
8.0
1000 2000 3000 4000 5000
V
CC
= 4.5V
V
CC
= 5.5V
V
CC
= 5.0V
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
0
0
MAX211E/MAX213E/MAX241E
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
MAX202E-TOC5
LOAD CAPACITANCE (pF)
SLEW RATE ( V/µs)
5
10
15
20
25
30
1000 2000 3000 4000 5000
+SLEW RATE
-SLEW RATE
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
5.0
0
MAX202E/MAX203E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX202E-TOC2
LOAD CAPACITANCE (pF)
V
OH
, -V
OL
(V)
5.5
6.0
6.5
7.0
7.5
8.0
1000 2000 3000 4000 5000
V
CC
= 5.5V
V
CC
= 4.5V
V
CC
= 5.0V
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
5.0
0
MAX241E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX202E-TOC3
LOAD CAPACITANCE (pF)
V
OH
, -V
OL
(V)
5.5
6.0
6.5
7.0
7.5
8.0
1000 2000 3000 4000 5000
V
CC
= 4.5V
V
CC
= 5.5V
V
CC
= 5.0V
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ

Analog Devices
│
5
www.analog.com
MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Typical Operating Characteristics (continued)
2
0
MAX202E/MAX203E/MAX232E
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
MAX202E-TOC6
LOAD CAPACITANCE (pF)
SLEW RATE ( V/µs)
4
6
8
10
12
14
1000 2000 3000 4000 5000
+SLEW RATE
-SLEW RATE
ALL TRANSMITTERS LOADED
DATA RATE = 120kbps
R
L
= 3kΩ
45
50
20
0 3000
MAX205E–MAX208E
SUPPLY CURRENT
vs. LOAD CAPACITANCE
25
40
MAX202E TOC-09
LOAD CAPACITANCE (pF)
SUPPLY CURRENT (mA)
1000 2000 4000 5000
35
30
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
240kbps
120kbps
20kbps
2.5
5.0
-10.0
0 180
MAX205E–MAX208E
OUTPUT VOLTAGE vs. DATA RATE
-7.5
0
MAX202E TOC-10
DATA RATE (kbps)
OUTPUT VOLTAGE (V)
60 120 24015030 90 210
-2.5
-5.0
10.0
7.5
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
V+
V-
V
OUT
+
V
OUT-
5.0
7.5
-7.5
0 3000
MAX205E–MAX208E
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
-5.0
2.5
MAX202E TOC-07
LOAD CAPACITANCE (pF)
OUTPUT VOLTAGE (V)
1000 2000 4000
5000
0
-2.5
V
CC
= +4.5V, R
L
= 3k
Ω
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
240kbps
240kbps
120kbps
120kbps
20kbps
20kbps
10
12
0
0 3000
MAX205E–MAX208E
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
2
8
MAX202E TOC-08
LOAD CAPACITANCE (pF)
SLEW RATE (V/µs)
1000 2000 4000
5000
6
4
20
18
16
14
V
CC
= +4.5V, R
L
= 3kΩ
1 TRANSMITTER AT FULL DATA RATE
4 TRANSMITTERS AT 1/8 DATA RATE
FALL
RISE
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