LT1081IS Linear Technology, LT1081IS Datasheet - Page 12

• Manufacturer Part Number: LT1081IS
• Manufacturer: Linear Technology

Specifications of LT1081IS

• Interface Circuit Standard 1: RS-232
• Number Of Receivers: 2
• Number Of Transmitters: 2
• Number Of Transceivers: 1
• Data Transmission Topology: Point-to-Point
• Receiver Signal Type: Single-Ended
• Transmitter Signal Type: Single-Ended
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Supply Current: 22mA
• Power Supply Requirement: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOIC N
• Lead Free Status / Rohs Status: Not 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