MAX3222/MAX3232/MAX3237/MAX3241
3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232
Transceivers Using Four 0.1µF External Capacitors
_____________________________________Typical Operating Circuits (continued)
0.1μF
26
28 C1+
0.1μF
25 C1-
1
0.1μF
3
V
CC
V+
27
0.1μF
24 C1-
4
0.1μF
0.1μF
1
2
+3.3V
0.1μF
0.1μF
28 C1+
26
V
CC
V+
27
C3
*
0.1μF
3
C4
0.1μF
MAX3237
C2+
C2-
T1
T2
V-
MAX3241
C2+
C2-
V-
24 T1IN
23 T2IN
LOGIC
INPUTS
22 T3IN
19 T4IN
17 T5IN
16 R1OUTB
T1OUT 5
T2OUT 6
T3OUT 7
RS-232
OUTPUTS
14 T1IN
13 T2IN
12 T3IN
21 R1OUTB
T1OUT 9
T2OUT 10
T3OUT 11
TTL/CMOS
INPUTS
RS-232
OUTPUTS
T3
T4
T5
T4OUT 10
20 R2OUTB
T5OUT 12
19 R1OUT
R1IN 4
5kΩ
18 R2OUT
R2IN
5kΩ
17 R3OUT
R3IN 6
5kΩ
16 R4OUT
R4IN 7
5kΩ
5kΩ
15 R5OUT
MBAUD
15
14
23 EN
GND
25
SHDN
R5IN 8
5kΩ
22
RS-232
INPUTS
5
R1IN 8
5kΩ
TTL/CMOS
OUTPUTS
9
RS-232
INPUTS
21 R1OUT
R1
LOGIC
OUTPUTS
20 R2OUT
R2
R2IN
5kΩ
18 R3OUT
R3
R3IN 11
13 EN
GND
2
SHDN
*
C3 CAN BE RETURNED TO EITHER V
CC
OR GROUND.
*
C3 CAN BE RETURNED TO EITHER V
CC
OR GROUND.
Maxim Integrated
13
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
