SP3222 Sipex, SP3222 Datasheet - Page 9

• Manufacturer Part Number: SP3222
• Description: True +3.0V to +5.5V RS-232 Transceivers
• Manufacturer: Sipex

Rev. 07/01/03
Figure 8. SP3222/3232E Driver Loopback Test Circuit
Figure 9. Driver Loopback Test Results at 120kbps
R1 OUT
T1 OUT
T1 IN
1
2
3
Ch1
Ch3
5.00V
5.00V
[
Ch2 5.00V M 5.00µs Ch1
OUTPUTS
INPUTS
LOGIC
LOGIC
C2
C1
C5
T
T
T
T
+
+
+
0.1µF
0.1µF
0.1µF
SP3222/3232E True +3.0 to +5.0V RS-232 Transceivers
]
C2-
TxIN
C1+
C2+
EN
C1-
RxOUT
0V
SP3222
SP3232
V
V
9
GND
CC
CC
Figure 10. Driver Loopback Test Results at 235kbps
5kΩ
R1 OUT
T1 OUT
T1 IN
*SHDN
TxOUT
* SP3222 only
RxIN
V+
V-
1
2
3
Ch1
Ch3
1000pF
V
5.00V
5.00V
C4
C3
CC
[
+
+
Ch2 5.00V M 2.50µs Ch1
0.1µF
0.1µF
© Copyright 2003 Sipex Corporation
T
T
T
T
]
0V