MAX239 Maxim Integrated Products, MAX239 Datasheet - Page 17

• Manufacturer Part Number: MAX239
• Description: (MAX220 - MAX249) +5V-Powered / Multichannel RS-232 Drivers/Receivers
• Manufacturer: Maxim Integrated Products

Figure 5. MAX220/MAX232/MAX232A Pin Configuration and Typical Operating Circuit
Figure 6. MAX222/MAX242 Pin Configurations and Typical Operating Circuit
(N.C.) EN
T2
( ) ARE FOR MAX222 ONLY.
PIN NUMBERS IN TYPICAL OPERATING CIRCUIT ARE FOR DIP/SO PACKAGES ONLY.
R2
C1+
C2+
C1-
C2-
OUT
V+
V-
TOP VIEW
IN
1
2
3
4
5
6
7
8
9
TOP VIEW
MAX222
MAX242
DIP/SO
______________________________________________________________________________________
DEVICE
MAX220
MAX232
MAX232A
T2
R2
C1+
C2+
C1-
C2-
OUT
V+
V-
IN
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
CAPACITANCE (µF)
SHDN
V
GND
T1
R1
R1
T1
T2
R2
0.047
CC
1.0
0.1
C1
IN
OUT
IN
OUT
IN
OUT
MAX232A
DIP/SO
MAX220
MAX232
+5V-Powered, Multichannel RS-232
0.33
1.0
0.1
(N.C.) EN
C2
R2
T2
R2
C1+
C2+
C1-
C2-
OUT
OUT
0.33
1.0
0.1
C3
V+
V-
IN
10
1
2
3
4
5
6
7
8
9
0.33
1.0
0.1
C4
16
15
14
13
12
11
10
9
0.33
1.0
0.1
V
GND
T1
R1
R1
T1
T2
R2
C5
MAX222
MAX242
CC
SSOP
OUT
IN
IN
IN
OUT
OUT
20
19
18
17
16
14
13
12
15
11
N.C.
R1
SHDN
V
GND
T1
R1
N.C.
T1
T2
CC
OUT
IN
IN
IN
OUT
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
OUTPUTS
OUTPUTS
INPUTS
INPUTS
C1
C2
C1
C2
Drivers/Receivers
11
10
12
12
11
13
10
1
3
4
5
9
4
1
2
5
6
C1-
C1+
C2+
C2-
T1
T2
R1
R2
(N.C.)
C1+
C1-
C2+
C2-
T1 IN
T2 IN
R1 OUT
R2 OUT
400kΩ
400kΩ
400kΩ
400kΩ
IN
IN
OUT
OUT
C5
C5
+5V
+5V
+5V
+5V
VOLTAGE INVERTER
VOLTAGE DOUBLER
VOLTAGE INVERTER
VOLTAGE DOUBLER
EN
+10V TO -10V
+10V TO -10V
+5V TO +10V
+5V TO +10V
(EXCEPT MAX220)
(EXCEPT MAX220)
+5V INPUT
+5V INPUT
GND
V
V CC
GND
CC
17
16
16
15
5kΩ
T1 OUT
T2 OUT
5kΩ
5kΩ
5kΩ
C3
SHDN
T1
T2
R1 IN
R2 IN
R1 I
R2
OUT
OUT
V+
V-
C3
ALL CAPACITORS = 0.1µF
V+
V-
IN
N
7
15
8
14
9
18
3 +10V
14
13
6
7
8
2 +10V
-10V
C4
-10V
C4
RS-232
OUTPUTS
RS-232
INPUTS
RS-232
OUTPUTS
RS-232
INPUTS
17