V
CC
+
19
V
CC
2 C1+
0.1µF
4 C1-
5 C2+
C2
+
0.1µF
6 C2-
13 T1IN
12 T2IN
V+
3
*C3
+
0.1µF
C1
+
0.1µF
4 C1-
5 C2+
V
CC
+
17
V
CC
2 C1+
V+
3
*C3
+
0.1µF
C5
0.1µF
C5
0.1µF
C1
+
SP3222EB
SSOP
TSSOP
V-
7
C4
+
0.1µF
C2
+
0.1µF
SP3222EB
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
16
R1IN
14
RS-232
INPUTS
R2IN
9
R2IN
9
SHDN
20
SHDN
18
*can be returned to
either V
CC
or GND
*can be returned to
either V
CC
or GND
Figure 8. SP3222EB Typical Operating Circuits
V
CC
+
16
V
CC
1 C1+
0.1µF
3 C1-
4 C2+
C2
+
0.1µF
5 C2-
11 T1IN
10 T2IN
T1OUT
T2OUT
14
7
RS-232
OUTPUTS
V+
2
*C3
+
0.1µF
C5
0.1µF
C1
+
SP3232EB
V-
6
C4
+
0.1µF
LOGIC
INPUTS
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 9. SP3232EB Typical Operating Circuit
Rev. A Date:12/11/03
SP3222EB/3232EB True +3.0 to +5.5V RS-232 Transceivers
© Copyright 2003 Sipex Corporation
7
SIPEX [ SIPEX CORPORATION ]
