ltc1545cg-trpbf Linear Technology Corporation, ltc1545cg-trpbf Datasheet - Page 14

• Manufacturer Part Number: ltc1545cg-trpbf
• Description: Software-selectable Multiprotocol Transceiver
• Manufacturer: Linear Technology Corporation

LTC1545
14
TYPICAL APPLICATIONS
C10
1 F
SCTE
RXD
DSR
DCD
RXC
TXC
TXD
DTR
RTS
CTS
TM
M0
M1
M2
RL
LL
RI
V
5V
CC
C3
1 F
V
5V
CC
1 F
C1
C9
1 F
C5
1 F
NC
NC
1,19
2,20
18
10
11
12
13
14
10
17
11
12
13
14
3
1
2
4
5
6
7
8
9
3
4
5
6
7
8
9
V
V
M0
M1
M2
DCE/DTE
M0
M1
M2
DCE/DTE
CC
DD
Figure 23. Controller-Selectable DCE Port with DB-25 Connector
LTC1543
CHARGE
D2
D3
LTC1545
D1
D1
D2
D3
D4
D5
PUMP
R2
R3
R1
R1
R2
R3
R4
U
D4ENB
R4EN
R5
GND
V
EE
33
32
31
30
29
28
27
26
25
24
23
22
21
15
16
28
27
26
25
24
23
22
21
20
19
18
17
16
15
36
35
34
+
NC
C2
1 F
C4
3.3 F
C11
1 F
C13
1 F
C12
1 F
14
2
V
V
CC
EE
100pF
C6
3
5
100pF
4
C7
6
8
100pF
7
C8
11
9
10
12
16
13
15 18 17 19 20 22
V
CC
LTC1344A
23 24
LATCH
1
*OPTIONAL
1544 F23
21
12
14
16
17
15
24
11
13
22
10
20
23
19
18
21
25
1
2
7
5
8
4
*
3
9
6
DTR A (108)
DTR B
RXD A (104)
RXD B
RXC A (115)
RXC B
TXC A (114)
TXC B
SCTE A (113)
SCTE B
TXD A (103)
TXD B
SGND (102)
SHIELD (101)
CTS A (106)
CTS B
DSR A (107)
DSR B
DCD A (109)
DCD B
RTS A (105)
RTS B
RI (125)
LL (141)
RL (140)
TM (142)
DB-25 FEMALE
CONNECTOR