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PDF SP306 Data sheet ( Hoja de datos )
| Número de pieza | SP306 | |
| Descripción | RS-422/RS-423 Line Drivers/Receivers | |
| Fabricantes | Sipex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SP306 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Corporation
SIGNAL PROCESSING EXCELLENCE
SP306
RS-422/RS-423 Line Drivers/Receivers
s Single chip serial transceiver supports
RS-422 or RS-423 interfaces
s Programmable Selection of Interface
s Two Full–Duplex Channels of Either
Interface
s Software–Selectable Mode
s Loopback for Self–Testing
s Short–Circuit Protected
s Surface Mount Packaging
DESCRIPTION…
The SP306 is a single chip device that offers both RS-422 and RS-423–type serial interfaces. The
device can be programmed to provide two full–duplex channels of either RS-422 or RS-423 via
two mode control pins. The SP306 also features a loopback function that can be activated in any
operating mode. The SP306 is available in a 28–pin SOIC package for operation over the
commercial temperature range.
SUPPLY
+5V +12V –12V
28 1 15
VCC VDD VEE
7
SELECT A
8 SELECT B
22 LOOPBACK
23
TINA
T1
20
TINB
T2
SP306
26
ROUTA
R1
6
TOUTA1
5
TOUTA2
9 TOUTB1
10 TOUTB2
2 RINA2
3 RINA1
17
ROUTB
14 GND
R2
13 RINB2
12 RINB1
Corporation
SIGNAL PROCESSING EXCELLENCE
89
1 page  
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
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SP306.PDF ] | |
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