LM1578AH/883

Overview

The LM1578AH/883 is a dual operational amplifier manufactured by Rochester Electronics, LLC. It features a ceramic flatpack (DFP) package with glass sealing, designed for high-reliability applications. The device operates within a temperature range of -55 °C to 125 °C and is qualified under MIL-STD-883 standards. Key electrical parameters include a maximum input offset voltage of 5000 µV and a typical slew rate of 0.5 V/µs. It supports supply voltages up to ±18 V and offers a common-mode rejection ratio of 90 dB.

Feature Summary

• Dual operational amplifier configuration providing two independent signal processing channels in a single package.
• Ceramic flatpack construction with glass sealing ensures hermeticity and environmental stability.
• Qualified to MIL-STD-883 standards for use in demanding military and aerospace environments.
• Wide operating temperature range supports functionality in extreme thermal conditions.

Applications

• Military avionics signal conditioning
• Aerospace sensor interface circuits
• High-reliability industrial control systems

Procurement Notes

Verify the specific lot traceability and MIL-STD-883 qualification level upon receipt. Confirm that the ceramic package integrity remains uncompromised during handling. Ensure compatibility with existing board layouts regarding the DFP footprint dimensions. Validate that the supply voltage limits align with system power rails to prevent overstress.

Selection Notes

Select this component when dual op-amp performance is required in a hermetically sealed package. Consider its wide temperature range for environments exceeding standard commercial limits. Evaluate the 5000 µV max offset voltage against precision requirements. Verify that the 0.5 V/µs slew rate meets the bandwidth needs of the target application circuit.

Part Context

Rochester Electronics specializes in sourcing and distributing obsolete and hard-to-find semiconductors. The LM1578 series is a heritage part originally developed for military specifications. The /883 suffix denotes compliance with MIL-STD-883 testing procedures. This component serves as a bridge for legacy systems requiring continued support for discontinued parts.

Replacement Considerations

Direct substitutes may include other MIL-STD-883 qualified dual op-amps from manufacturers like Analog Devices or Texas Instruments. Verify pinout compatibility before substitution. Check if equivalent packages are available from original equipment manufacturers.