ADA4077-1ARZ

Overview

The ADA4077-1ARZ is a single-channel precision operational amplifier from Analog Devices, housed in an 8-lead SOIC package. It operates within a supply voltage range of ±2.5 V to ±15 V and supports an extended industrial temperature range from -40°C to +125°C. Key electrical specifications include a maximum offset voltage of 50 µV at 25°C (A grade) and a typical gain bandwidth product of 3.9 MHz. The device features a low input bias current of 1 nA maximum, a slew rate of 1.2 V/µs, and a typical supply current of 400 µA per amplifier.

Feature Summary

• Extremely low offset voltage and drift characteristics ensure high DC accuracy across the operating temperature range.
• Low input bias current and noise density contribute to superior signal integrity in sensitive measurement applications.
• Outputs remain stable with capacitive loads exceeding 1000 pF without requiring external compensation components.
• Immunity to output phase reversal prevents system lockups even when input voltages exceed the common-mode range.

Applications

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

Procurement Notes

Verify that the specific order matches the A grade offset voltage requirements for your design. Confirm the 8-lead SOIC package type aligns with your PCB footprint constraints. Ensure the component meets the required MSL1 rating for your assembly process. Check that the extended temperature range specification satisfies your environmental operating conditions.

Selection Notes

Select this component when high DC precision is critical alongside moderate bandwidth requirements. The low power consumption makes it suitable for portable instrumentation where battery life is a concern. Consider the B grade variant if tighter offset voltage tolerances are necessary for your specific application budget.

Part Context

The ADA4077-1ARZ belongs to the sixth generation of Analog Devices' industry-standard OP07 amplifier family. It represents a significant evolution in precision amplification technology, offering improvements in bandwidth, slew rate, and power consumption compared to previous generations while maintaining a compact surface-mount form factor.

Replacement Considerations

ADA4077-1ARMZ

FAQ

Does the ADA4077-1ARZ exhibit output phase reversal?

No, the ADA4077-1ARZ is immune to output phase reversal problems, even when input voltages exceed the power supply settings or common-mode range.

What is the stability characteristic regarding capacitive loads?

The outputs of the ADA4077-1ARZ are stable with capacitive loads of more than 1000 pF without the need for external compensation.