SP320 View Datasheet(PDF) - Exar Corporation
Part Name
Description
Manufacturer
SP320 Datasheet PDF : 12 Pages
| |||
VCC = +5V
+
C1 –
+10V
+
C2 –
C4
+ – VDD Storage Capacitor
– + VSS Storage Capacitor
C3
Figure 2. Charge Pump Phase 1
VCC = +5V
+
C1 –
–5V
+5V
+
C2 –
–5V
C4
+ – VDD Storage Capacitor
– + VSS Storage Capacitor
C3
Figure 3. Charge Pump Phase 2
VCC = +5V
+
C1 –
+
C2 –
–10V
C4
+ – VDD Storage Capacitor
– + VSS Storage Capacitor
C3
VCC = +5V
+
C1 –
–5V
+5V
+
C2 –
–5V
C4
+ – VVDDDDStSotroargaegCeaCpacpiatocritor
–+
C3
VSS Storage Capacitor
Figure 4. Charge Pump Phase 3
Figure 5. Charge Pump Phase 4
VCC1
5V
1µF 1µF
1µF V.35
DX
DX
RX
RX
RX
1µF
T
T
T
T
T
50Ω 125Ω
T=
50Ω
P
TXD (103) P
S
S
T
U SCTE (113) U
W
W
T
AA TXC (114) AA
Y
Y
T
X
RXC (115) X
V
V
T
T
TXD (104) T
R
R
T
1µF 1µF
VCC2
5V
1µF
1µF
V.35
RX
RX
DX
DX
DX
VCC1
1µF 1µF
B
GND (102) B
A CABLE SHIELD A
VCC2
1µF 1µF
1µF
1µF
RS-232
DX
DX
RX
RX
RX
RX
DX
DX
H
DTR (108) H
C
RTS (105) C
E
DSR (107) E
D CTS (106)
D
F
DCD (109)
F
NN
TM (142)
NN
N
RDL (140) N
L
LLB (141)
L
1µF
1µF
RS-232
RX
RX
DX
DX
DX
DX
RX
RX
ISO 2593
34-PIN DTE/DCE
INTERFACE
CONNECTOR
ISO 2593
34-PIN DTE/DCE
INTERFACE
CONNECTOR
Figure 6. A Competitor’s Typical V.35 Solution Using Six Components.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7017 • www.exar.com
SP320_100_092208
Share Link: 