參數(shù)資料
型號(hào): SP3222EP
元件分類(lèi): RS-232
英文描述: 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述: 5V的高速RS - 232收發(fā)器與0.1uF電容
文件頁(yè)數(shù): 12/19頁(yè)
文件大?。?/td> 138K
代理商: SP3222EP
Date: 06/22/04 SP3222EH/3232EH 3.3V, 460 Kbps RS-232 Transceivers
Copyright 2004 Sipex Corporation
12
V
CC
= +5V
–5V
–5V
+5V
V
SS
Storage Capacitor
V
DD
Storage Capacitor
C
1
C
2
C
3
C
4
+
+
+
+
Figure 12. Charge Pump — Phase 1
Figure 13. Charge Pump — Phase 2
V
CC
= +5V
–10V
V
SS
Storage Capacitor
V
DD
Storage Capacitor
C
1
C
2
C
3
C
4
+
+
+
+
Figure 14. Charge Pump Waveforms
Figure 15. Charge Pump — Phase 3
V
CC
= +5V
–5V
+5V
–5V
V
SS
Storage Capacitor
V
DD
Storage Capacitor
C
1
C
2
C
3
C
4
+
+
+
+
V
CC
= +5V
+10V
V
SS
Storage Capacitor
V
DD
Storage Capacitor
C
1
C
2
C
3
C
4
+
+
+
+
Figure 16. Charge Pump — Phase 4
Ch1 2.00V
Ch2
2.00V M 1.00
μ
s Ch1 5.48V
2
1
T
T
[
]
T
+6V
a) C
2+
b) C
2
-
GND
GND
-6V
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