Datasheet

9
LTC1345
APPLICATIONS INFORMATION
WUU
U
Figure 8. Complete Single 5V V.35 Interface
4
1µF
V
CC1
5V
21
1µF 1µF1µF
1µF
28
273
6
1
2
26
25
12P
S
U
W
Y
X
V
T
R
12
11
18
17
1µF
DX
LTC1345 LTC1345
BI
627T500/
1250
(SOIC)
BI
627T500/
1250
(SOIC)
28
V
CC2
5V
12 4
327
1µF
RX
T
TXD (103)
SCTE (113)
TXC (114)
RXC (115)
RXD (104)
GND (102)
CABLE SHIELD
T
7
3
AA
P
S
U
W
Y
X
V
T
R
BB
AA
AA
4
24
23
10
13
9
16
15
DX
RX
T T
11
14
13
20
19
1
6
2
26
25
T T
12
12
11
18
17
10
14
8
9
3
7
4
24
23
T T
H H
8
13
10
9
16
15
7
5
5
7
5
8
6
22
21
T T
RX
RX
RX
V
CC1
10 149
V
CC2
DTR (108)
DX
DX
DX
4
0.2µF
3 22
0.2µF 0.2µF 0.2µF
0.1µF
23
241
2
21
0.1µF
LT1134A LT1134A
4322
0.1µF
23
241
0.1µF
19
13 13
LTC1345 • TA08
50Ω
=
125Ω
T
50Ω
DX
DX
17
OPTIONAL SIGNALS
DX
15
DX
20
RX
18
RX
16
RX
14
5
7
9
11
6
8
10
12
20
18
16
14
21
19
17
15
6
8
10
12
5
7
9
11
RX
RX
RX
RX
RX
DX
DX
DX
DX
C C
RTS (105)
E E
DSR (107)
D D
CTS (106)
F F
DCD (109)
NN NN
TM (142)
N N
RDL (140)
L L
LLB (141)
ISO 2593
34-PIN DTE/DCE
INTERFACE CONNECTOR
ISO 2593
34-PIN DTE/DCE
INTERFACE CONNECTOR
1µF
DTE DCE