SP3220E Datasheet, PDF (9/18 Pages) Sipex Corporation – +3.0V to +5.5V RS-232 Driver/Receiver Pair

VCC
+
C5 0.1µF
+
C1 0.1µF
+
C2 0.1µF
LOGIC
INPUTS
VCC
C1+
V+
C1-
C2+ ^SP3220E V-
C2-
TxIN
TxOUT
LOGIC
OUTPUTS
RxOUT
EN
RxIN
5kΩ
GND
*SHDN
+
C3 0.1µF
C4 0.1µF
+
VCC
1000pF
Figure 6. SP3220E Driver Loopback Test Circuit
[
T
]
T
T1 IN 1
T1 OUT 2
T
T
R1 OUT 3
Ch1 5.00V Ch2 5.00V M 5.00µs Ch1
0V
Ch3 5.00V
T1 IN 1
[
T
]
T
T1 OUT 2
T
T
R1 OUT 3
Ch1 5.00V Ch2 5.00V M 2.50µs Ch1
0V
Ch3 5.00V
Figure 7. Driver Loopback Test Results at 120kbps
Figure 8. Driver Loopback Test Results at 235kbps
11/07/02
SP3220E True +3.0 to +5.0V RS-232 Transceivers
9
© Copyright 2000 Sipex Corporation