CLC431A/BCA

Overview

The CLC431A/BCA is a precision operational amplifier manufactured by Rochester Electronics. It features a maximum input offset voltage of 5000 µV and operates within a temperature range of -40 °C to +85 °C. The device is housed in a 5-pin SOT-23 package, specifically identified as PDSO5 or LSSOP form factor. It provides a nominal common-mode rejection ratio of 50 dB and supports dual supply voltages up to ±7 V, with a typical nominal supply of ±5 V. This component serves as a robust analog signal conditioning solution for industrial applications requiring stable amplification.

Feature Summary

• Precision operational amplifier design with low input offset voltage characteristics
• Compact five-terminal surface-mount packaging suitable for space-constrained layouts
• Wide operating temperature range ensuring reliability in harsh environments
• Dual supply capability supporting standard bipolar voltage rails

Applications

• Industrial sensor signal conditioning circuits
• Precision data acquisition systems
• Analog filter stages in measurement equipment
• Instrumentation amplifier front ends

Procurement Notes

Verify the specific suffix designation against the manufacturer's current lifecycle documentation. Ensure the package pinout matches the target PCB footprint, as variations may exist between different manufacturing lots or revisions. Confirm compliance with relevant environmental standards required for the final assembly process.

Selection Notes

Select this component when a general-purpose op-amp with moderate precision is sufficient for the application. Consider the 5000 µV offset voltage limit for DC accuracy requirements. Evaluate the thermal performance within the specified operating range to ensure long-term stability under load conditions.

Part Context

Rochester Electronics specializes in sourcing and distributing obsolete and hard-to-find electronic components. They provide lifecycle extension support for parts that are no longer actively manufactured by original equipment manufacturers. This ensures continuity for legacy systems requiring replacement components.

Replacement Considerations

Consult official substitution guides for direct equivalents. Verify pin compatibility and electrical specifications before integrating alternative devices into existing designs.