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LMS1487E Datasheet Low Power Rs-485 / Rs-422 Differential Bus Transceiver

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LMS1487E Low Power RS-485 / RS-422 Differential Bus Transceiver November 2003 LMS1487E Low Power RS-485 / RS-422 Differential Bus Transceiver.

General Description

The LMS1487E is a low power differential bus/line transceiver designed for high speed bidirectional data munication on multipoint bus transmission lines.

It is designed for balanced transmission lines.

It meets ANSI Standards TIA/ EIA RS422-B, TIA/EIA RS485-A and ITU remendation and V.11 and X.27.

Key Features

  • n Meet ANSI standard RS-485 and RS-422 n Data rate 2.5 Mbps n Single supply voltage operation, 5V n Wide input and output voltage range n Thermal shutdown protection n Short circuit protection n Low quiescent current 660µA (max) n Allows up to 128 transceivers on the bus n Open circuit fail-safe for receiver n Extended operating temperature range.
  • 40˚C to 85˚C n Drop-in replacement to MAX1487E n Available in 8-pin SOIC and 8-pin DIP packages.

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LMS1487E Distributor