Product Summary

The LTC1387ISW is a low power reconfigurable CMOS bidirectional transceiver. The LTC1387ISW can be configured as an RS485 differential port or as two RS232 single-ended ports. Applications of the LTC1387ISW include: Point-of-Sale Terminals, Software Selectable Multiprotocol Interface Ports, Low Power RS485/RS422/RS232/EIA562 Interface, Cable Repeaters and Level Translators.

Parametrics

LTC1387ISW absolute maximum ratings: (1) Supply Voltage (VCC) : 6.5V; (2) Input Voltage Drivers: -0.3 to (Vcc +0.3V) ; (3) Receiver: -25 to 25V; (4) 485/232, ON, DXEN RXEN, SLEW: – 0.3V to (VCC + 0.3V) ; (5) Output Voltage Drivers: -18 to 18V; (6) Short-Circuit Duration OutputOperating Temperature Range: -40°C to 85°C; (7) Storage Temperature Range: –65°C to 150°C; (8) Lead Temperature (Soldering, 10 sec) : 300°C.

Features

LTC1387ISW features: (1) Two RS232 Transceivers or One RS485 Transceiver; (2) Operates from a Single 5V Supply; (3) Guaranteed Receiver Output with Inputs Floating or Shorted to Ground; (4) Logic Selectable Fast/Slow RS485 Driver Slew Rate; (5) Low Supply Current: 7mA Typical; (6) 5 µA Supply Current in Shutdown; (7) Self-Testing Capability in Loopback Mode; (8) Separate Driver and Receiver Enable Controls; (9) Driver Maintains High Impedance in Three-State, Shutdown or with Power Off; (10) Receiver Inputs Can Withstand ± 25V.

Diagrams

LTC1387ISW Circuit

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC1387ISW#TRPBF
LTC1387ISW#TRPBF


IC TXRX RS232/RS485 5VSNGL20SOIC

Data Sheet

0-1000: $3.39
LTC1387ISW#TR
LTC1387ISW#TR


IC TXRX RS232/RS485 5V 20SOIC

Data Sheet

0-2000: $3.39
LTC1387ISW#PBF
LTC1387ISW#PBF


IC TXRX RS232/RS485 5VSNGL20SOIC

Data Sheet

0-1: $5.88
1-25: $3.90
25-100: $3.36
LTC1387ISW
LTC1387ISW

Linear Technology

IC TXRX RS232/RS485 5VSNGL20SOIC

Data Sheet

1-266: $3.36