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LMS1487 Datasheet 5v Low Power Rs-485 / Rs-422 Differential Bus Transceiver

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LMS1487 5V Low Power RS-485 / RS-422 Differential Bus Transceiver LMS1487 OBSOLETE October 12, 2011 5V Low Power RS-485 / RS-422 Differential Bus Transceiver.

General Description

The LMS1487 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 RS422B, TIA/EIA RS485-A and ITU remendation and V.11 and X.27.

Key Features

  • Meet ANSI standard RS-485-A and RS-422-B.
  • Data rate 2.5 Mbps.
  • Single supply voltage operation, 5V.
  • Wide input and output voltage range.
  • Thermal shutdown protection.
  • Short circuit protection.
  • Low quiescent current 320μA.
  • Allows up to 128 transceivers on the bus.
  • Open circuit fail-safe for receiver.
  • Extended operating temperature range.
  • 40°C to 85°C.
  • Drop-in replacement to MAX1487.
  • Available in 8-pin SOIC and 8-pin DIP package Ap.

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LMS1487 Distributor