參數(shù)資料
型號: SP3222EBET-L/TR
廠商: Exar Corporation
文件頁數(shù): 3/22頁
文件大?。?/td> 0K
描述: IC TXRX RS232 ESD TRUE 18WSOIC
標(biāo)準包裝: 1,500
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 2/2
規(guī)程: RS232
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 帶卷 (TR)
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3222EB/SP3232EB_102_031413
11
Figure 14. Charge Pump — Phase 2
VCC = +5V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
-5.5V
VCC = +5V
–5V
+5V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
Figure 13. Charge Pump — Phase 1
Figure 16. Charge Pump — Phase 3
VCC = +5V
–5V
+5V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
Figure 17. Charge Pump — Phase 4
VCC = +5V
VSS Storage Capacitor
VDD Storage Capacitor
C1
C2
C3
C4
+
+5.5V
Figure 15. Charge Pump Waveforms
Ch1 2.00V Ch2 2.00V M 1.00ms Ch1 5.48V
2
1
T
[
]
T
+6V
a) C2+
b) C2-
GND
-6V
DESCRIPTION
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