PIN NUMBER
NAME
FUNCTION
SP3222E
DIP/SO
EN
C1+
V+
C1-
C2+
C2-
V-
T1OUT
T2OUT
R1IN
R2IN
R1OUT
R2OUT
T1IN
T2IN
GND
V
CC
SHDN
N.C.
Receiver Enable. Apply logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state).
Positive terminal of the voltage doubler charge-pump capacitor.
+5.5V generated by the charge pump.
Negative terminal of the voltage doubler charge-pump capacitor.
Positive terminal of the inverting charge-pump capacitor.
Negative terminal of the inverting charge-pump capacitor.
-5.5V generated by the charge pump.
RS-232 driver output.
RS-232 driver output.
RS-232 receiver input.
RS-232 receiver input.
TTL/CMOS reciever output.
TTL/CMOS reciever output.
TTL/CMOS driver input.
TTL/CMOS driver input.
Ground.
+3.0V to +5.5V supply voltage
Shutdown Control Input. Drive HIGH for normal device operation.
Drive LOW to shutdown the drivers (high-Z output) and the on-
board power supply.
No Connect.
1
2
3
4
5
6
7
15
8
14
9
13
10
12
11
16
17
18
-
SSOP/-
TSSOP
1
2
3
4
5
6
7
17
8
16
9
15
10
13
12
18
19
20
11, 14
SP3232E
-
1
2
3
4
5
6
14
7
13
8
12
9
11
10
15
16
-
-
Table 1. Device Pin Description
Date: 02/24/05
SP3222E, SP3232E True +3.0 to +5.0V RS-232 Transceivers
© Copyright 2005 Sipex Corporation
5
SIPEX [ SIPEX CORPORATION ]
