LT1081IN Linear Technology, LT1081IN Datasheet - Page 12

• Manufacturer Part Number: LT1081IN
• Description: IC DRVR/RCVR DUAL-RS232 5V 16DIP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LT1081IN

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1080/LT1081
RELATED PARTS
PART NUMBER
LT1180A/LT1181A
LT1780/LT1781
LT1381
LT1130A/LT1140A
LTC1383
LTC1386
12
TYPICAL APPLICATIO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
SHUTDOWN
DESCRIPTION
5V Low Power 2DR/2TX RS232 Transceiver
5V Low Power 2DR/2TX RS232 Transceiver
5V Low Power 2DR/2TX RS232 Transceiver
5V RS232 Transceivers
5V Low Power 2DR/2RX RS232 Transceiver
3.3V Low Power EIA/TIA562 Transceiver
*C1
TTL OUTPUT
TTL OUTPUT
1 F
1 F
TTL INPUT
TTL INPUT
18
2
4
5
6
*IN APPLICATIONS WHERE A SEPARATE SECOND POSITIVE SUPPLY IS AVAILABLE
(SUCH AS 5V AND 12V), THE 12V SUPPLY MAY BE CONNECTED TO PIN 2 AND
C1 DELETED. THE POWER SUPPLY CIRCUITRY WILL THEN INVERT THE 12V SUPPLY.
THE 5V SUPPLY IS STILL NEEDED TO POWER THE BIASING CIRCUITRY AND RECEIVERS.
ON/OFF
C1
C1
C2
C2
U
+
–
+
–
LT1080
GND
Supporting an LT1039 (Triple Driver/Receiver)
16
www.linear.com
V
5k
5k
V
V
CC
+
–
17
3
7
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
RS232 INPUT
1 F
5V
TTL OUTPUT
TTL OUTPUT
TTL OUTPUT
TTL INPUT
TTL INPUT
TTL INPUT
1 F
18
1
9
V
V
V
CC
+
–
LT1039
GND
10
ON/OFF
30k
30k
30k
1080/81 • TA02
COMMENTS
0.1 F Capacitors, 10kV ESD
15kV ESD
16-Pin Narrow SO Package
Up to 5DR/5RX
Low Supply Current I
Low Supply Current I
LINEAR TECHNOLOGY CORPORATION 1991
17
LT/CPI 1101 1.5K REV E • PRINTED IN USA
RS232 OUTPUT
RS232 OUTPUT
RS232 OUTPUT
RS232 INPUT
RS232 INPUT
RS232 INPUT
CC
CC
= 220 A
= 200 A
10801fe