English
Language : 

SP306 Datasheet, PDF (5/6 Pages) Sipex Corporation – RS-422/RS-423 Line Drivers/Receivers
SUPPLY
+5V +12V –12V
SUPPLY
+5V +12V –12V
SELECT A = 0
SELECT B = 1
LOOPBACK = 1
28 1 15
VCC VDD VEE
7
SELECT A
8 SELECT B
22 LOOPBACK
TOUTA1
RINA1
SELECT A = 0
SELECT B = 1
LOOPBACK = 0
28 1 15
VCC VDD VEE
7
SELECT A
8 SELECT B
22 LOOPBACK
TINA TOUTA*1
ROUTA RINA1
TINA
ROUTA
RINB2
RINB1
TOUTB1
TOUTB2
14 GND
SP306
ROUTB
RINB2
RINB1
TINB
TOUTB*1
TOUTB*2
14 GND
SP306
ROUTB
TINB
RS-423 DRIVER
* Tri–state output
RS-423 RECEIVER
RS-422 RECEIVER
Figure 2. Control Input Configuration — SELECT A = 0, SELECT B = 1
RS-422 DRIVER
* Tri–state output
SUPPLY
+5V +12V –12V
SUPPLY
+5V +12V –12V
SELECT A = 1
SELECT B = 0
LOOPBACK = 1
28 1 15
VCC VDD VEE
7
SELECT A
8 SELECT B
22 LOOPBACK
RINA2
RINA1
TOUTA1
TOUTA2
SELECT A = 1
SELECT B = 0
LOOPBACK = 0
28 1 15
VCC VDD VEE
7
SELECT A
8 SELECT B
22 LOOPBACK
ROUTA
RINA2
RINA1
TINA
TOUTA*1
TOUTA*2
ROUTA
TINA
TOUTB 1
RINB1
TINB
TOUTB *1
ROUTB
RINB1
TINB
ROUTB
14
GND
SP306
14
GND
SP306
RS-423 DRIVER
* Tri–state output
RS-423 RECEIVER
RS-422 RECEIVER
Figure 3. Control Input Configuration — SELECT A = 1, SELECT B = 0
RS-422 DRIVER
* Tri–state output
Corporation
SIGNAL PROCESSING EXCELLENCE
93