ADA4077-2ARZ-R7

Overview

The ADA4077-2ARZ-R7 is a dual-channel precision operational amplifier from Analog Devices, housed in an 8-lead SOIC package. It features a gain bandwidth product of 3.9 MHz and a slew rate of 1.2 V/µs. The device operates on dual supplies ranging from ±2.5 V to ±15 V with a typical supply current of 400 µA per amplifier. Key electrical characteristics include a maximum input offset voltage of 50 µV at 25°C (A grade) and a maximum drift of 0.55 µV/°C over the -40°C to +125°C temperature range.

Feature Summary

• Extremely low offset voltage and drift for high DC accuracy
• Low input bias current insensitive to ambient temperatures up to 125°C
• Outputs stable with capacitive loads exceeding 1000 pF without external compensation
• Immune to output phase reversal even when input voltages exceed power supply settings

Applications

• Process control front-end amplifiers
• Precision sensors and controls
• Optical network control circuits
• Instrumentation

Procurement Notes

Verify the specific A-grade performance parameters against the official datasheet specifications before integration. Confirm that the 8-lead SOIC package dimensions align with the target PCB footprint. Ensure the design accommodates the extended industrial temperature range requirements of -40°C to +125°C.

Selection Notes

Select this component for applications requiring high precision combined with low power consumption. It serves as a direct successor to previous OPxx77 family members, offering improved bandwidth and lower offset while maintaining compatibility with standard surface-mount assembly processes.

Part Context

This device belongs to the sixth generation of the industry-standard OP07 amplifier family. It combines the legacy reliability of the series with modern enhancements such as wider bandwidth, lower noise, and significantly reduced power dissipation compared to predecessors like the OP177.

Replacement Considerations

ADA4077-2BRZ provides B-grade offset specifications within the same package.