LTC1345_15 Datasheet, PDF (9/12 Pages) Linear Technology – Single Supply V.35 Transceiver

LTC1345
APPLICATIONS INFORMATION
1µF
1µF
DTE
V_CC1
5V
4 2 1 28
50Ω _125Ω
T=
50Ω
DCE
1µF
1µF
28 1 2 4
V_CC2
5V
3
27
BI
BI
27
3
1µF
LTC1345
1µF
627T500/
1250
627T500/
1250
1µF
LTC1345
1µF
26
1 ^(SOIC)
P
TXD (103)
P
(SOIC) ₁₂
18
6
DX
25
2
T
S
12
S
T
11
17
RX
24
3
U
SCTE (113)
U
10
16
7
DX
23
4
T
W
13
W
T
9
15
RX
20
14
AA
TXC (114)
AA
1
26
11
RX
19
13
T
Y
Y
T
2
25
6
DX
18
12
X
RXC (115)
X
3
24
12
RX
17
11
T
V
V
T
4
23
7
DX
16
10
T
RXD (104)
T
5
22
13
RX
15
9
T
R
R
T
6
21
8
DX
5
7
7
5
9 10 14
8
B
GND (102)
B
8
9 10 14
V_CC1
0.2µF 0.2µF
A
CABLE SHIELD _A
V_CC2
0.2µF
0.2µF
1
0.1µF
2
21
4 3 22
LT1134A
23
24
5
DX
19
7
DX
20
RX
6
18
8
RX
16
RX
10
14
12
RX
17
9
DX
15
11
DX
0.1µF
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
1
0.1µF
4 3 22
LT1134A
23
24
0.1µF
6
20
RX
8
18
RX
5
DX
21
7
19
DX
9
DX
17
11
15
DX
10
16
RX
12
14
RX
13
ISO 2593
ISO 2593
34-PIN DTE/DCE
34-PIN DTE/DCE
INTERFACE CONNECTOR INTERFACE CONNECTOR
Figure 8. Complete Single 5V V.35 Interface
13
LTC1345 • TA08
9