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參數(shù)資料
| 型號： | SP232ECP |
| 元件分類： | 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 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 126K |
| 代理商： | SP232ECP |
Rev. 06/20/02
SP202E Series High Performance RS232 Transceivers
Copyright 2002 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 |
|---|---|
| SP232ECP-L | 功能描述:RS-232接口集成電路 RS232 ESD +/-15KV 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: |
| SP232ECT | 制造商:Exar Corporation 功能描述: |
| SP232ECT/TR | 制造商:Exar Corporation 功能描述: |
| SP232ECT-L | 功能描述:RS-232接口集成電路 RS232 ESD +/-15KV 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: |
| SP232ECT-L/TR | 功能描述:RS-232接口集成電路 +/-15KV 5V SNGL SUPP RS-232 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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