SP3222 Sipex, SP3222 Datasheet - Page 12

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

Figure 13. Charge Pump — Phase 2
Figure 14. Charge Pump Waveforms
Figure 15. Charge Pump — Phase 3
Figure 16. Charge Pump — Phase 4
Rev. 07/01/03
Figure 12. Charge Pump — Phase 1
SP3222/3232E True +3.0 to +5.0V RS-232 Transceivers
GND
GND
a) C
b) C
C
C
C
C
+6V
1
-6V
2
1
1
–5V
1
2+
1
2
-
+
–
–5V
+
–
+
–
+
–
V
V
V
V
Ch1 2.00V
CC
CC
CC
CC
= +5V
= +5V
= +5V
= +5V
[
Ch2
C
C
C
C
2
2
2
2
+5V
–5V
–10V
+
+10V
–
+5V
–5V
+
+
–
–
+
–
2.00V M 1.00µs Ch1 5.48V
12
T
T
T
+
–
+
+
–
C
–
+
–
C
C
C
C
C
C
4
C
4
4
3
4
+
–
+
3
3
+
3
–
+
–
–
]
V
V
V
V
V
V
V
V
DD
SS
DD
SS
DD
SS
DD
SS
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
Storage Capacitor
© Copyright 2003 Sipex Corporation