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MAX491ESD+T Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MAX491ESD+TMAXIM5000Yes

MAX491ESD+T is a low-power transceiver manufactured by Maxim Integrated.

The MAX491ESD+T is a low-power transceiver manufactured by Maxim Integrated.

Specifications:

  • Manufacturer: Maxim Integrated
  • Type: RS-422/RS-485 Transceiver
  • Supply Voltage Range: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Data Rate: Up to 2.5Mbps
  • Number of Drivers/Receivers: 1 Driver, 1 Receiver
  • Package: 14-SOIC
  • ESD Protection: ±15kV (Human Body Model)
  • Low Power Consumption: 120µA (Quiescent Current)

Descriptions:

The MAX491ESD+T is a low-power, high-speed transceiver designed for RS-422 and RS-485 communication. It features a single driver and receiver, making it suitable for half-duplex applications. The device is optimized for balanced data transmission and includes fail-safe circuitry to ensure a logic-high receiver output when inputs are open or shorted.

Features:

  • Low Power Consumption: Ideal for battery-powered applications.
  • ESD Protection: Robust ±15kV protection on driver outputs and receiver inputs.
  • Fail-Safe Receiver: Ensures a logic-high output with open or shorted inputs.
  • Thermal Shutdown: Prevents damage from excessive power dissipation.
  • Wide Supply Range: Operates from 4.75V to 5.25V.
  • High-Speed Operation: Supports data rates up to 2.5Mbps.

This transceiver is commonly used in industrial control, automotive, and communication systems requiring reliable differential signaling.

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