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SP332ET/TR [EXAR]

Line Driver/Receiver, PDSO28;
SP332ET/TR
型号： SP332ET/TR
厂家： EXAR CORPORATION    EXAR CORPORATION
描述：

Line Driver/Receiver, PDSO28

光电二极管
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®
SP332  
RS-232/RS-485 Multi-Mode Serial Transceiver  
features  
description  
The SP332 is a monolithic device that contains both RS-232 and RS-  
485 line drivers and receivers. The configuration of the SP332 can be  
changed at any time by changing the logic state of two control input  
pins. The device also includes a loop back function which internally  
connects driver outputs to receiver inputs for a chip self test. A Sipex-  
patented charge pump (5,306,954) allows +5V-only operation.  
■ +5V only Single Supply  
Operation  
■ 4 Drivers, 4 Receivers RS-232  
■ 2 Drivers, 2 Receivers RS-485  
■ Loop Back Function for Self  
Test  
■ 28 Pin SOIC Packaging  
typical application circuits  
TI3  
TI2  
TI1  
SD  
SEL A  
LB  
RX4  
RX3  
RX2  
RX1  
RI4  
RI3  
RI2  
RI1  
RS-232 Mode  
RS-485 Mode  
TI4  
SEL B  
TX4  
TX3  
VCC  
TX1  
TX2  
GND  
C1+  
V+ 10  
C2+ 11  
C1- 12  
C2- 13  
V- 14  
1
2
3
4
5
6
7
8
9
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
+5V  
5
SP332  
9
+5V  
5
C1+  
VCC  
0.1µF  
0.1µF  
0.1µF  
12  
11  
10  
14  
C1-  
V+  
V-  
9
C2+  
VCC  
C1+  
0.1µF  
10  
14  
13  
24  
2
0.1µF  
0.1µF  
12  
11  
V+  
V-  
C2-  
0.1µF  
C1-  
0V  
0V  
SEL A  
SEL B  
23  
C2+  
LB  
TTL/CMOS  
13  
0.1µF  
23  
Vcc  
C2-  
400KΩ  
24  
LB  
+5V  
SEL A  
TX1  
TX2  
TX3  
6
7
4
TTL/CMOS  
26 TI1  
27 TI2  
28 TI3  
2
RS-232  
RS-232  
RS-232  
RS-232  
T1  
TTL/CMOS  
TTL/CMOS  
TTL/CMOS  
SEL B  
+5V  
Vcc  
400KΩ  
Vcc  
7
TX2  
400KΩ  
RS-485  
26  
27  
TI1  
I
T2  
T3  
T1  
TTL/CMOS  
TTL/CMOS  
Vcc  
400KΩ  
6
3
TX1  
TX4  
RS-485  
RS-485  
TI2  
Vcc  
400KΩ  
Vcc  
400KΩ  
28 TI3  
TTL/CMOS  
T3  
R1  
4
TX4  
3
TX3  
1
TI4  
RS-485  
RS-485  
T4  
1
TTL/CMOS  
TI4  
TTL/CMOS  
TTL/CMOS  
RI2 16  
19 RX1  
15KΩ  
15KΩ  
RX1  
RI1 15  
19  
RI1 15  
RS-232  
RS-232  
TTL/CMOS  
TTL/CMOS  
TTL/CMOS  
R1  
RS-485  
20  
5KΩ  
15KΩ  
RX2  
TTL/CMOS  
TTL/CMOS  
TTL/CMOS  
16  
20 RX2  
21 RX3  
RI2  
RI4 18  
RS-485  
RS-485  
R2  
R3  
21 RX3  
R3  
5KΩ  
5KΩ  
RI3 17  
RI3 17  
RI4 18  
25  
RS-232  
15KΩ  
22  
RX4  
25  
TTL/CMOS  
RX4  
SHUT  
DOWN  
22  
8
8
GND  
RS-232  
TTL/CMOS  
R4  
5KΩ  
GND  
TTL/CMOS  
SHUT  
DOWN  
ordering information - Please consult the factory for pricing and availability on a Tape-On-Reel option.  
Part Number  
SP332CT  
SP332ET  
Temperature Range  
0˚C to +70˚C  
-40˚C to +85˚C  
Package Type  
28-Pin SOIC  
28-Pin SOIC  
2002 Short Form Catalog  
I-57  
© Copyright 2001 Sipex Corporation  

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