ADA4077-1BRZ

Overview

The ADA4077-1BRZ is a single-channel precision operational amplifier from Analog Devices, packaged in an 8-lead SOIC. It features a maximum offset voltage of 50 µV and a drift of 0.55 µV/°C at 25°C. 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 parameters include a gain bandwidth product of 3.9 MHz, a slew rate of 1.2 V/µs, and a common-mode rejection ratio exceeding 120 dB. It functions within an extended industrial temperature range of -40°C to +125°C.

Feature Summary

• Extremely low offset voltage and drift for high DC accuracy
• Low input bias current insensitive to ambient temperatures
• Immune to output phase reversal under overload conditions
• MSL1 rated for compliance with stringent assembly processes

Applications

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

Procurement Notes

Verify the specific B-grade performance specifications against the official datasheet prior to integration. Confirm that the 8-lead SOIC package dimensions align with the target PCB footprint. Ensure the design accommodates the specified operating temperature range and power supply requirements for optimal functionality.

Selection Notes

Select this component when high DC precision and stability are required in space-constrained designs. The B-grade variant offers tighter offset voltage limits compared to standard grades. Consider the low power consumption relative to older generations when designing battery-operated or thermally sensitive systems.

Part Context

The ADA4077-1BRZ belongs to the sixth generation of the industry-standard OP07 amplifier family. It provides significant improvements over previous iterations, including reduced power consumption and increased bandwidth while maintaining superior precision. This lineage ensures compatibility with established design methodologies while offering modern performance enhancements.

Replacement Considerations

ADA4077-1ARZ

FAQ

Does the ADA4077-1BRZ exhibit output phase reversal?

No, the device is immune to output phase reversal problems even when input voltages exceed the power supply settings.

What is the long-term stability characteristic of this amplifier?

The device exhibits extremely low long-term drift, with a typical offset voltage change of less than 0.5 µV over 10,000 hours.