LT1039A Datasheet, PDF (12/12 Pages) Linear Technology – Triple RS232 Driver/Receiver with Shutdown

LT1039A/LT1039A-16
TYPICAL APPLICATION
LT1180A (Driver/Receiver with Power Supply) Driving an LT1039A
SHUTDOWN
5V
18
ON/OFF
17
V_CC
LT1180A
TTL IN
RS232 OUT
TTL IN
RS232 OUT
TTL OUT
RS232 IN
5k
18
V_CC
17
ON/OFF
LT1039A
TTL IN
RS232 OUT
TTL IN
RS232 OUT
TTL IN
TTL OUT
RS232 OUT
RS232 IN
30k
TTL OUT
+
0.1µF
+
0.1µF
2 _C1+
4 _C1–
5 _C2+
6 _C2–
GND
16
5k
V^{+ 3}
V^{– 7}
RS232 IN
+
0.1µF
TTL OUT
30k
TTL OUT
1 _V+
+
9 _V–
0.1µF
30k
GND
10
1039A TA03
RS232 IN
RS232 IN
RELATED PARTS
PART NUMBER
LTC^®485
LT1137A
LT1180A/81A
LTC1345
LTC1348
DESCRIPTION
Low Power RS485 Transceiver
5V 3 Driver/5 Receiver RS232 Transceiver
5V 2 Driver/2 Receiver RS232 Transceiver
V.35 Transceiver
3.3V 3 Driver/5 Receiver RS232 Transceiver
COMMENTS
Industry Standard
±15kV ESD Protection
Industry Standard, 0.1µF Capacitors
Single 5V Supply Using 0.1µF Capacitors
Operates from 3.3V to 5V Supplies, 5 Receivers Active in Shutdown
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417^q [phone]
FAX: [phone]^q TELEX: 499-3977 ^q www.linear-tech.com
1039af LT/TP 0697 2K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997