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MAXIM INTEGRATED / ANALOG DEVICES MAX251CSDT RS-232 Isolated Interface

The MAX251CSDT is a +5V powered, isolated RS-232 driver and receiver housed in a 14-pin NSOIC package. It forms part of a complete isolated RS-232 interface system, combining multiple functions to reduce cost and complexity. The module includes drivers and receivers for optocouplers, as well as a push-pull transformer driver to provide power to the isolated side. It supports data rates up to 19.2k baud with standard optocouplers, ideal for industrial communication, bridging ground differentials, and analog data links. Features include a 4.5-5.5V supply, 0°C to 70°C operation, 2.5mA supply current, low power shutdown, and two transmitters and receivers for robust data transmission.

Authorized Distributors
Source:Newark
Part No:MAX251CSD+T
Stock:972
Inv Date:06-05-2026
Price: Unit price: $13.45
Buy/RFQ:
Source:DigiKey
Part No:MAX251CSD+T
Stock:3691
Inv Date:06-05-2026
Price: Unit price: $13.06
Buy/RFQ:
Part No:MAX251CSD+T
Stock:481
Inv Date:06-06-2026
Price: Unit price: $13.06
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX251CSDT RS-232 Isolated Interface Specifications:

  • Supply Voltage Range: 4.5V to 5.5V
  • Operating Temperature: 0°C to 70°C
  • Supply Current: 2.5mA
  • Shutdown Power Consumption: 5μW
  • Data Rate Support: up to 19.2k baud
  • Number of Transmitters and Receivers: 2 each
  • Maximum Threshold Voltage: 2V
  • Pin Package: 14-pin NSOIC
  • Isolation transformer driver: Push-pull type
  • Input voltage thresholds conformance: RS-232 and V.28 standards
  • Output driver and receiver compatibility: TTL/CMOS levels
  • Power dissipation in active state: 375mW (derate above 70°C)
  • Maximum Input Voltage: -15V to +14V
  • Maximum Applied Output Voltage: -15V to +15V

Buy the Maxim Series MAX251 RS-232: MAX251CSDT

Purchase the Maxim MAX251CSDT online today for a robust, isolated RS-232 solution designed to meet industrial communication standards. Featuring low power consumption, support for high data rates up to 19.2k baud, and a durable 14-pin NSOIC package, this device simplifies complex wiring and ground isolation challenges. Perfect for industrial automation, data links, and communication networks, it ensures signal integrity and operational reliability. Order now to experience seamless integration and long-lasting performance in your communication systems!

Get Maxim MAX251CSDT today—built for precise signal isolation and reliable data transmission in industrial environments.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX251CSDT?

You can click on the BUY or RFQ button to purchase MAX251CSDT from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX251CSDT?

You can download the MAX251CSDT datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX251CSDT?

MAXIM INTEGRATED / ANALOG DEVICES

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