1B41BN

Overview

The 1B41BN is a precision, isolated RTD signal conditioner manufactured by Analog Devices. It utilizes transformer-based isolation to provide galvanic separation between input and output circuits. The component operates within a supply voltage range of 13.5V to 18V. It is housed in a 38-DIP package with a width of 0.800 inches (20.32mm) and features 15 leads for through-hole mounting. This hybrid IC is designed for accurate temperature measurement applications requiring high isolation integrity.

Feature Summary

• Incorporates transformer-based isolation technology for enhanced safety and noise rejection
• Provides precision conditioning for Resistance Temperature Detector (RTD) signals
• Designed as a hybrid integrated circuit for robust industrial performance

Applications

• Industrial process control systems requiring isolated temperature monitoring
• Safety-critical instrumentation where galvanic isolation is mandatory
• High-noise environments demanding reliable RTD signal transmission

Procurement Notes

Verify the specific ordering suffix BN against the official Analog Devices datasheet to confirm pinout and isolation specifications. Note that this component may be subject to discontinuance notices; consult the manufacturer's lifecycle documentation for availability status before procurement planning.

Selection Notes

Select the 1B41BN when application requirements demand high-voltage isolation combined with precise RTD signal conditioning. Ensure the system design accommodates the required 13.5V to 18V supply range and the physical dimensions of the 38-DIP package for proper PCB layout integration.

Part Context

The 1B41BN belongs to the 1B41 family of specialized function ICs from Analog Devices. This series focuses on providing isolated signal conditioning solutions for sensor interfaces. The 1B41 variant specifically targets RTD inputs, leveraging hybrid construction techniques to achieve performance levels suitable for demanding industrial environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices directly for current obsolescence management or equivalent product recommendations.