AD231JR

Overview

The AD231JR is a dual line transceiver manufactured by Analog Devices Inc., housed in a CDIP-14 or CERDIP-14 ceramic package. It functions as a line driver or receiver compliant with EIA-232-C and V.28 standards. The device features Schmitt trigger inputs for noise immunity and provides inverted output polarity. It operates within an extended temperature range of -55 °C to +125 °C, ensuring reliability in harsh environments. The component utilizes a glass-sealed ceramic body for durability.

Feature Summary

• Dual channel line transceiver functionality
• Schmitt trigger input characteristics
• Extended industrial temperature rating
• Compliant with EIA-232-C interface standards

Applications

• Industrial serial communication interfaces
• Harsh environment data transmission systems
• Equipment requiring robust RS-232 connectivity

Procurement Notes

Verify the specific suffix 'JR' against official Analog Devices documentation to confirm pinout compatibility and electrical specifications. Ensure the selected variant matches the required ceramic DIP packaging. Confirm RoHS compliance status, as historical data indicates some variants may not meet current environmental directives. Cross-reference the manufacturer's latest datasheet for any revisions affecting mechanical dimensions or thermal performance.

Selection Notes

Select this component when dual-channel RS-232 communication is required in high-temperature applications. The ceramic construction offers superior stability compared to plastic packages. Verify that the system voltage aligns with the device's operational requirements. Consider the Schmitt trigger inputs if signal integrity is compromised by noise. Ensure the design accommodates the specific footprint of the CDIP-14 package.

Part Context

This part belongs to the Analog Devices family of analog mixed-signal interface circuits. It serves as a legacy solution for RS-232 communication, often found in established industrial control systems. The device complements other line drivers and receivers within the portfolio, providing a robust option for applications demanding long-term reliability and wide temperature operation.

Replacement Considerations

The ADM231LAR is a documented similar component from Analog Devices, offering CMOS technology and 5V power operation. Verify functional equivalence regarding drive strength and input thresholds before substitution. Check for package compatibility, as the ADM231LAR may utilize different housing styles. Confirm that the replacement meets the same EIA-232-C standard requirements.