Datasheet

9
Date: 02/24/05 SP3222E, SP3232E True +3.0 to +5.0V RS-232 Transceivers © Copyright 2005 Sipex Corporation
Figure 9. Driver Loopback Test Results at 120kbps
Figure 10. Driver Loopback Test Results at 235kbps
Figure 8. SP3222E/3232E Driver Loopback Test Circuit
SP3222E
SP3232E
GND
TxIN
TxOUT
C1+
C1-
C2+
C2-
V+
V-
V
CC
0.1µF
0.1µF
0.1µF
+
C2
C5
C1
+
+
C3
C4
+
+
0.1µF
0.1µF
LOGIC
INPUTS
V CC
5kΩ
RxIN
RxOUT
LOGIC
OUTPUTS
EN
*SHDN
1000pF
V CC
* SP3222 only
3
1
2
T
T
T
T
[]
T1 IN
T1 OUT
R1 OUT
Ch1
Ch3
5.00V
Ch2
5.00V M 5.00µs
Ch1
0V
5.00V
3
1
2
T
T
T
T
[]
T1 IN
T1 OUT
R1 OUT
Ch1
Ch3
5.00V
Ch2
5.00V M 2.50µs
Ch1
0V
5.00V