HomedatasheetADM488A

ADM488A Datasheet

Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers
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Description

GENERAL DESCRIPTION
The ADM488A and ADM489A are low power, differential line transceivers suitable for communication on multipoint bus transmission lines. They are intended for balanced data transmission and comply with both RS-485 and RS-422 standards of the Electronics Industries Association (EIA). Both products contain a single differential line driver and a single differential line receiver, making them suitable for full-duplex data transfer. The ADM489A contains an additional receiver and driver enable control.
The input impedance is 12 kΩ, allowing 32 transceivers to be connected on the bus. The ADM488A/ADM489A operate from a single 5 V ± 10% power supply.

FEATURES
  Complies with ANSI TIA/EIA-485-A-1998 and ISO 8482: 1987(E)
  250 kbps data rate
  Single 5 V ± 10% supply
  −7 V to +12 V bus common-mode range
  Connect up to 32 nodes on the bus
  Reduced slew rate for low EM interference
  Short-circuit protection
  30 μA supply current

APPLICATIONS
  Low power RS-485 and RS-422 systems
  DTE-DCE interface
  Packet switching
  Local area networks
  Data concentration
  Data multiplexers
  Integrated services digital network (ISDN)

 

Features

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Manufacturer information

ANALOG DEVICES

Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.


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