Datasheet

LTC2870/LTC2871
30
28701f
Figure 46. RS485 Receiver with Multiplexed Inputs
TYPICAL APPLICATIONS
Figure 44. RS232 Triple Transceiver
with Selectable Line Interface
Figure 45. RS232 Triple Transceiver
with Selectable Logic Interface
28701 F44
DIN1
ROUT2
DIN2
ROUT1
DOUT1
PORT 1
LOGIC
INTERFACE
PORT 2A/2B
LOGIC
INTERFACE
SELECT LINE 2A
SELECT LINE 2B
PORT 1
LINE
INTERFACE
PORT 2A
LINE
INTERFACE
RIN2
DOUT2
RIN1
LTC2871
DIN2
CH2
CH2
ROUT1
DIN1
ROUT2
DOUT2
PORT 3
LOGIC
INTERFACE
PORT 2B
LINE
INTERFACE
PORT 3
LINE
INTERFACE
RIN1
DOUT1
RIN2
LTC2871
28701 F45
DIN1
ROUT2
DIN2
ROUT1
DOUT1
PORT 1
LOGIC
INTERFACE
PORT 2A
LOGIC
INTERFACE
SELECT LINE 2A
SELECT LINE 2B
PORT 1
LINE
INTERFACE
PORT 2A/2B
LINE
INTERFACE
RIN2
DOUT2
RIN1
LTC2871
PORT 2B
LOGIC
INTERFACE
DIN2
CH2
CH2
ROUT1
DIN1
ROUT2
DOUT2
PORT 3
LOGIC
INTERFACE
PORT 3
LINE
INTERFACE
RIN1
DOUT1
RIN2
LTC2871
28701 F46
H/F
RA,
RO
RS485
INTERFACE
INPUT1
INPUT2
Y
Z
A
B
LTC2870/
LTC2871
SELECT
INPUT2 INPUT1