MAX246C-D View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX246C-D Datasheet PDF : 36 Pages
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+5V-Powered, Multichannel RS-232
Drivers/Receivers
TOP VIEW
C1+ 1
V+ 2
C1- 3
C2+ 4
C2- 5
V- 6
T2OUT 7
R2IN 8
MAX220
MAX232
MAX232A
16 VCC
15 GND
14 T1OUT
13 R1IN
12 R1OUT
11 T1IN
10 T2IN
9 R2OUT
DIP/SO
CAPACITANCE (µF)
DEVICE C1 C2 C3 C4 C5
MAX220 0.047 0.33 0.33 0.33 0.33
MAX232 1.0 1.0 1.0 1.0 1.0
MAX232A 0.1 0.1 0.1 0.1 0.1
+5V INPUT C3
C1
C2
TTL/CMOS
INPUTS
C5
16
1 C1+
3 C1-
4 C2+
5 C2-
VCC
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
V+ 2 +10V
V- 6 -10V
C4
+5V
400kΩ
11 T1IN
T1OUT 14
+5V
400kΩ
10 T2IN
T2OUT 7
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
12 R1OUT
9 R2OUT
R1IN 13
5kΩ
R2IN 8
5kΩ
GND
15
RS-232
INPUTS
Figure 5. MAX220/MAX232/MAX232A Pin Configuration and Typical Operating Circuit
TOP VIEW
(N.C.) EN 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
T2OUT 8
R2IN 9
MAX222
MAX242
(N.C.) EN 1
18 SHDN
C1+ 2
17 VCC
16 GND
V+ 3
C1- 4
15 T1OUT
C2+ 5
14 R1IN
13 R1OUT
12 T1IN
C2- 6
V- 7
T2OUT 8
11 T2IN
R2IN 9
10 R2OUT R2OUT 10
MAX222
MAX242
20 SHDN
19 VCC
18 GND
17 T1OUT
16 N.C.
15 R1IN
14 R1OUT
13 N.C.
12 T1IN
11 T2IN
DIP/SO
SSOP
( ) ARE FOR MAX222 ONLY.
PIN NUMBERS IN TYPICAL OPERATING CIRCUIT ARE FOR DIP/SO PACKAGES ONLY.
+5V INPUT C3 ALL CAPACITORS = 0.1µF
C5
17
C1
2
C1+
VCC
+5V TO +10V
4 C1- VOLTAGE DOUBLER
V+
3
+10V
C2
5
6
C2+ +10V TO -10V
C2- VOLTAGE INVERTER
V- 7
-10V
C4
TTL/CMOS
INPUTS
+5V
400kΩ
12 T1IN
+5V
400kΩ
11 T2IN
(EXCEPT MAX220)
T1OUT 15
(EXCEPT MAX220)
T2OUT 8
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS
13 R1OUT
R1IN 14
10 R2OUT
5kΩ
R2IN 9
1 (N.C.) EN
GND
16
5kΩ
SHDN 18
RS-232
INPUTS
Figure 6. MAX222/MAX242 Pin Configurations and Typical Operating Circuit
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