38
37
42
40
39
36
43
EN_R2
EN_R3
R1IN(a)
R1IN(b)
R2IN(a)
R2IN(b)
R3IN(a)
R3IN(b)
T1IN
T2IN
T3IN
44
41
35
34
EN_R1
GND
VCC
GND
R3OUT
R2OUT
R1OUT
EN_T1
EN_T2
EN_T3
VCC
1
2
3
4
5
6
7
8
9
10
11
19
13
14
20
21
12
15
16
17
18
22
33
32
31
30
29
28
SP322
27
26
25
24
23
T1OUT(a)
T1OUT(b)
GND
VCC
T2OUT(a)
T2OUT(b)
GND
VCC
T3OUT(a)
T3OUT(b)
GND
Figure 25. SP322 Pinout
V.11/V.35
V.11_TERM
SD
VCC
C1+
VDD
C2+
GND
C1–
C2–
VSS
+5V
1.0µF
1.0µF
C1+
1.0µF
C1–
C2+
1.0µF
C2–
T1OUTA
T1IN
V
CC
Charge Pump
V
DD
V
SS
1.0µF
SP322
T1
T1OUTB
T1ENA
T2OUTA
T2IN
T2ENA
T3OUTA
T3IN
T3ENA
R1INA
R1OUT
R1ENA
R2INA
R2OUT
R2ENA
R3INA
R3OUT
R3ENA
T2
T2OUTB
T3
T3OUTB
R1
T
R1INB
R2
T
R2INB
R3
T
R3INB
V.11_TERM
V.11/V.35
SD
GND
Figure 26. SP322 Typical Operating Circuit
SP322DS/06
Rev. 7/9/03
SP322 V.11/V.35 Serial Transceiver
SP322 V.11/V.35 Serial Transceiver
© Copyright 1997 Sipex Corporation
© Copyright 2003 Sipex Corporation
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