參數(shù)資料
型號(hào)： SP202E
英文描述： High-Performance RS-232 Line Drivers/Receivers(高性能RS-232線驅(qū)動(dòng)器/接收器(2個(gè)驅(qū)動(dòng)器,2個(gè)接收器))
中文描述： 高性能的RS - 232線驅(qū)動(dòng)器/接收器（高性能的RS - 232線驅(qū)動(dòng)器/接收器（2個(gè)驅(qū)動(dòng)器，2個(gè)接收器））
文件頁數(shù)： 7/15頁
文件大小： 172K
代理商： SP202E
SP202EDS/09
SP202E Series High Performance RS232 Transceivers
Copyright 2000 Sipex Corporation
7
Figure 6. Charge Pump Waveforms
+10V
a) C
2
+
GND
GND
b) C
2
–
–10V
Figure 7. 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
+
+
+
+
–
–
–
–
Figure 8. Charge Pump — Phase 4
V
CC
= +5V
+10V
V
SS
Storage Capacitor
V
DD
Storage Capacitor
C
1
C
2
C
3
C
4
+
+
+
+
–
–
–
–
be symmetrical. Older charge pump approaches
that generate V
–
from V
+
will show a decrease in
the magnitude of V
–
compared to V
+
due to the
inherent inefficiencies in the design.
The clock rate for the charge pump typically
operates at 15kHz. The external capacitors can
be as low as 0.1
μ
F with a 16V breakdown
voltage rating.
Shutdown (SD) and Enable (EN) for the
SP310E and SP312E
Both the
SP310E
and
SP312E
have a shutdown/
standby mode to conserve power in battery-pow-
ered systems. To activate the shutdown mode,
which stops the operation of the charge pump, a
logic “0” is applied to the appropriate control line.
For the
SP310E
, this control line is ON/OFF (pin
18). Activating the shutdown mode also puts the
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP202E_04 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High-Performance RS-232 Line Drivers/Receivers
SP202ECN 制造商:Exar 功能描述:Bulk 制造商:Exar 功能描述:High-Performance RS-232 Line Drivers/Receivers
SP202ECN/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High-Performance RS-232 Line Drivers/Receivers
SP202ECN-L 功能描述:RS-232接口集成電路 RS232 2Tx/2Rx temp 0C to 70C RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
SP202ECN-L/TR 功能描述:RS-232接口集成電路 HIGH PERFORMANCE RS232 0-70C RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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