ADA4627-1ACPZ-RL

Overview

The ADA4627-1ACPZ-RL is a single-channel JFET operational amplifier manufactured by Analog Devices Inc. It features a gain bandwidth product of 19 MHz and a slew rate of 82 V/µs. The device operates on dual supplies ranging from ±5 V to ±15 V, with a maximum supply voltage of 30 V. Key electrical specifications include a typical offset voltage of 70 µV, input bias current of 5 pA, and voltage noise density of 6.1 nV/√Hz at 1 kHz. It provides high open-loop gain of 120 dB and CMRR of 116 dB. The component is housed in an 8-lead LFCSP package and supports an extended operating temperature range from -40°C to +125°C.

Feature Summary

• Combines precision DC characteristics with high-speed AC performance for sensitive measurement applications.
• Features very low input bias current and low offset voltage drift suitable for high impedance sensors.
• Designed to prevent output phase reversal when inputs exceed the common-mode voltage range.

Applications

• High impedance sensors
• Photodiode amplifiers
• Precision instrumentation
• Phase-locked loop filters

Procurement Notes

Verify the specific ordering suffix ACPZ-RL against the manufacturer's official documentation to confirm the package type and reel packaging configuration. Ensure compatibility with the required thermal management solutions for the LFCSP package. Confirm that the intended application environment falls within the specified extended industrial temperature range of -40°C to +125°C.

Selection Notes

Select this component for designs requiring both low noise and high speed. Note that it is unity-gain stable, unlike the decompensated ADA4637-1 variant which requires a minimum noise gain of 5. Consider the 8-lead LFCSP package dimensions for PCB layout constraints. Evaluate the need for guard rings to minimize leakage currents given the ultra-low bias current specification.

Part Context

This part belongs to the ADA4627/ADA4637 series of wide bandwidth precision amplifiers. It serves as the unity-gain stable counterpart to the decompensated ADA4637-1. The series integrates JFET input stages with precision trimming to achieve low offset and drift. It is designed to replace older precision op amps while offering significantly higher bandwidth.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.