CLC5644IM

Overview

The CLC5644IM is a quad current feedback operational amplifier manufactured by National Semiconductor. It features four independent circuits in a 14-SOIC package. The device supports a minimum supply voltage span of 14 V and operates within a temperature range of -40°C to 85°C. Key electrical characteristics include a maximum offset voltage of 15,000 µV and a slew rate of 1000 V/µs. This component is classified as obsolete.

Feature Summary

• Quad configuration providing four independent current feedback amplifiers in a single package
• High-speed performance with a 1000 V/µs slew rate suitable for demanding applications
• Bipolar technology construction for robust analog signal processing

Applications

• Cost-sensitive high-performance analog circuits
• High-frequency signal processing systems
• Applications requiring fast transient response capabilities

Procurement Notes

Verify the obsolete status of this National Semiconductor part before procurement planning. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing 14-SOIC footprints. Check for valid replacement options if new production designs are required. Validate datasheet specifications against specific application requirements due to end-of-life status.

Selection Notes

Select this component for designs prioritizing high slew rates and bandwidth over low power consumption. The quad architecture reduces board space compared to single-channel alternatives. Consider the bipolar process limitations regarding input bias currents. Evaluate thermal management needs within the specified -40°C to 85°C operating range. Assess system cost constraints as this part targets cost-sensitive high-performance segments.

Part Context

This device belongs to the family of current feedback operational amplifiers from National Semiconductor. Current feedback topology offers superior speed characteristics compared to traditional voltage feedback types. The quad configuration allows multiple amplifier stages in compact layouts. National Semiconductor's legacy in analog design supports this high-speed implementation.

Replacement Considerations

Check for direct pin-compatible replacements from Texas Instruments or other manufacturers. Verify equivalent slew rates and supply voltage requirements. Ensure the substitute maintains the 14-SOIC package form factor. Confirm functional equivalence for high-frequency applications.