ICL7621DCPAZ

Overview

The ICL7621DCPAZ is a dual low-power CMOS operational amplifier manufactured by Renesas Electronics Corporation. It features a gain-bandwidth product of 480 kHz and a typical slew rate of 0.16 V/µs. The device operates on single supplies from 3 V to 15 V or dual supplies of ±3 V to ±8 V. It offers high input impedance with a typical bias current of 1 pA and an input voltage noise density of 100 nV/√Hz. Packaged in an 8-pin PDIP, it supports through-hole mounting within an operating temperature range of 0 °C to +70 °C.

Feature Summary

• Low power consumption suitable for battery-operated applications
• High input impedance with extremely low bias current
• CMOS output stage compatible with digital logic

Applications

• Battery-powered instrumentation circuits
• Active filter designs
• Signal conditioning stages

Procurement Notes

Verify the RoHS compliance status and manufacturer origin, as Intersil was acquired by Renesas. Confirm the package type matches the required PCB footprint. Check for any specific annealing requirements mentioned in the datasheet. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Selection Notes

Select this component when low quiescent current and high input impedance are critical. Compare against the ICL7611 if a single-channel configuration is sufficient. Consider the ICL7621DCBAZ for surface-mount assembly needs. Evaluate the bandwidth limitations against signal frequency requirements before finalizing the design.

Part Context

This part belongs to the ICL7621 series of general-purpose CMOS operational amplifiers. It serves as a successor to earlier Intersil designs now managed by Renesas. The device is designed for cost-sensitive applications requiring moderate performance with minimal power draw.

Replacement Considerations

The ICL7621DCPA is a direct substitute but may lack RoHS compliance. Verify pinout compatibility before swapping.