ltc1535csw-trpbf Linear Technology Corporation, ltc1535csw-trpbf Datasheet - Page 14

• Manufacturer Part Number: ltc1535csw-trpbf
• Description: Isolated Rs485 Transceiver
• Manufacturer: Linear Technology Corporation

LTC1535
14
TYPICAL APPLICATIO S
V
Figure 20. Configuring Receiver for TTL Level Input. Y and Z Outputs Are TTL Compatible with No Modification
CC
V
RO
RE
CC
DI
10 F
1
+
1
1
28
27
26
25
1
4
1
LOGIC COMMON
RO
RE
DE
DI
V
GND
CC
RO
RE
DE
DI
ST1
(20a) Noninverting
2
U
LTC1535
3
2
FLOATING RS485 COMMON
ST2
CTX02-14659
A
B
Y
Z
420kHz
DI
Figure 19. Fail-Safe Logic “0”
TTL INPUT
**
Full-Duplex Connection
3V
DE
30k
Y
Z
1/2 BAT54C
1/2 BAT54C
2
** TRANSFORMER
R
R
COOPER [phone]
RO
RE
DE
DI
2
LTC1535
GND2
1535 F04
+
11
(20b) Inverting
R
D
10 F
C
C
L1
L2
V
A
B
Y
Z
14
CC2
RO2
SLO
1535 TA02
A
B
Y
Z
TTL INPUT
16
15
17
13
12
18
120
120
1535 TA05
30k
1535fa