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MAX485E - Slew-Rate-Limited RS-485/RS-422 Transceivers

General Description

The MAX485 is low-power transceivers for RS-485 and RS422 communication.

IC contains one driver and one receiver.

The driver slew rates of the MAX485 is not limited, allowing them to transmit up to 2.5Mbps.

Key Features

  • Low Quiescent Current: 300µA.
  • -7V to +12V Common-Mode Input Voltage Range.
  • Three-State Outputs.
  • 30ns Propagation Delays, 5ns Skew.
  • Full-Duplex and Half-Duplex Versions Available.
  • Operate from a Single 5V Supply.
  • Allows up to 32 Transceivers on the Bus.
  • Data rate: 2,5 Mbps.
  • Current-Limiting and Thermal Shutdown for Driver Overload Protection www. umw-ic. com 1 UMW R MAX485E.

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Datasheet Details

Part number MAX485E
Manufacturer UMW
File Size 338.39 KB
Description Slew-Rate-Limited RS-485/RS-422 Transceivers
Datasheet download datasheet MAX485E Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UMW R MAX485E Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers General Description The MAX485 is low-power transceivers for RS-485 and RS422 communication. IC contains one driver and one receiver. The driver slew rates of the MAX485 is not limited, allowing them to transmit up to 2.5Mbps. These transceivers draw between 120µA and 500µA of supply current when unloaded or fully loaded with disabled drivers. All parts operate from a single 5V supply. Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if the input is open circuit.