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MFG:LT Package Cooled:SOP16
Part Number: LT1381IS
MFG: LT
Package Cooled: SOP16
Description: The LT®1381 is a dual RS232 driver/receiver pair with integral charge pump to generate RS232 volta...
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LT1381IS
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DataSheet
General Description
LT1381IS General Description
The LT®1381 is a dual RS232 driver/receiver pair with integral charge pump to generate RS232 voltage levels from a single 5V supply. The circuit features rugged bipolar design to provide operating fault tolerance and ESD protection unmatched by competing CMOS designs. Using only 0.1mF external capacitors, the circuit consumes only 40mW of power and can operate to 120kbaud even while driving heavy capacitive loads. New ESD structures on the chip allow the LT1381 to survive multiple ±10kV strikes, eliminating the need for costly TransZorbs® on the RS232 line pins. Driver outputs are protected from overload and can be shorted to ground or up to ±25V without damage. During power-off conditions, driver and receiver outputs are in a high impedance state, allowing line sharing.
LT1381IS Maximum Ratings
Supply Voltage (VCC) ............................................ 6V
V+ ................................................................... 13.2V
V ................................................................ 13.2V
Input Voltage
Driver ........................................................... V to V+
Receiver ............................................... 30V to 30V
Output Voltage
Driver ................................. (V+ 30V) to (V + 30V)
Receiver ................................. 0.3V to (VCC + 0.3V)
Short-Circuit Duration
V+ ................................................................... 30 sec
V ................................................................... 30 sec
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
Operating Temperature Range
LT1381C ................................................ 0°C to 70°C
LT1381I ............................................ 40°C to 85°C
Storage Temperature Range ......... 65°C to 150°C
Lead Temperature (Soldering, 10 sec).............. 300°C
LT1381IS Features
ESD Protection over ±10kV
Low Cost
Uses Small Capacitors: 0.1mF
CMOS Comparable Low Power: 40mW
Operates from a Single 5V Supply
120kBaud Operation for RL = 3k, CL = 2500pF
250kBaud Operation for RL = 3k, CL = 1000pF
Rugged Bipolar Design
Outputs Assume a High Impedance State When Powered Down
Absolutely No Latchup
Available in Narrow SO Package
Low Cost
Uses Small Capacitors: 0.1mF
CMOS Comparable Low Power: 40mW
Operates from a Single 5V Supply
120kBaud Operation for RL = 3k, CL = 2500pF
250kBaud Operation for RL = 3k, CL = 1000pF
Rugged Bipolar Design
Outputs Assume a High Impedance State When Powered Down
Absolutely No Latchup
Available in Narrow SO Package
LT1381IS Typical Application
Portable Computers
Battery-Powered Systems
Power Supply Generator
Terminals
Modems
Battery-Powered Systems
Power Supply Generator
Terminals
Modems
LT1381IS Connection Diagram
LT1381IS
PDF/DataSheet Download
- Datasheet: LT1381IS
- File Size: 189520 KB
- Manufacturer: LINER [Linear Technology]
- Click here to Download
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The LT1381CN is designed as one kind of low power 5V RS232 dual driver/receiver with 0.1uF capacitor that can be used in (1)portable computers; (2)battery-powered systems; (3)power supply generator; (4)terminals; (5)modems. And the RS232 line inputs of the L...
LT1381
The LT®1381 is a dual RS232 driver/receiver pair with integral charge pump to generate RS232 voltage levels from a single 5V supply. The circuit features rugged bipolar design to provide operating fault tolerance and ESD protection unmatched by competing...
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