V
CC
+
19
V
CC
V+
3
*C3
+
0.1µF
+
V
CC
17
V
CC
V+
3
*C3
+
0.1µF
C5
0.1µF
2 C1+
0.1µF
4 C1-
5 C2+
C5
0.1µF
2 C1+
0.1µF
4 C1-
5 C2+
C1
+
C1
+
C2
+
0.1µF
6 C2-
13 T1IN
12 T2IN
SP3222E
SSOP
TSSOP
V-
7
C4
+
0.1µF
C2
+
0.1µF
SP3222E
DIP/SO
V-
7
C4
+
0.1µF
6 C2-
12 T1IN
11 T2IN
T1OUT
T2OUT
15
8
T1OUT
T2OUT
17
8
RS-232
OUTPUTS
LOGIC
INPUTS
LOGIC
INPUTS
RS-232
OUTPUTS
15 R1OUT
LOGIC
OUTPUTS
5kΩ
10 R2OUT
5kΩ
1 EN
GND
18
R1IN
16
RS-232
INPUTS
LOGIC
OUTPUTS
13 R1OUT
5kΩ
10 R2OUT
5kΩ
1 EN
GND
R1IN
14
RS-232
INPUTS
R2IN
9
R2IN
9
SHDN
20
SHDN
18
*can be returned to
either V
CC
or GND
16
*can be returned to
either V
CC
or GND
Figure 6. SP3222E Typical Operating Circuits
V
CC
+
16
V
CC
V+
C5
0.1µF
1 C1+
0.1µF
3 C1-
4 C2+
2
*C3
+
0.1µF
C1
+
SP3232E
C2
+
V-
6
C4
+
0.1µF
0.1µF
5 C2-
11 T1IN
10 T2IN
T1OUT
T2OUT
14
7
LOGIC
INPUTS
RS-232
OUTPUTS
12 R1OUT
LOGIC
OUTPUTS
5kΩ
9 R2OUT
5kΩ
R1IN
13
RS-232
INPUTS
R2IN
8
GND
15
*can be returned to
either V
CC
or GND
Figure 7. SP3232E Typical Operating Circuit
Date: 02/24/05
SP3222E, SP3232E True +3.0 to +5.0V RS-232 Transceivers
© Copyright 2005 Sipex Corporation
7
SIPEX [ SIPEX CORPORATION ]
