ADA4077-4ARUZ

Overview

The ADA4077-4ARUZ is a quad precision operational amplifier from Analog Devices, housed in a 14-lead TSSOP package. It features an offset voltage of 50 µV maximum and drift of 0.75 µV/°C maximum 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.

Feature Summary

• Extremely low offset voltage and drift for high accuracy
• Low input bias current and noise density
• Stable operation with capacitive loads over 1000 pF without external compensation
• Immune to output phase reversal even beyond power supply settings

Applications

• Sensor signal conditioning (thermocouples, RTDs, strain gauges)
• Process control front-end amplifiers
• Precision filters
• Optical network control circuits
• Voltage or current measurement and level setting

Procurement Notes

Verify the specific ordering suffix to confirm the package type and reel quantity. Confirm that the A grade specifications align with your design requirements for offset voltage and drift. Ensure the MSL1 rating meets your assembly process constraints. Check the extended industrial temperature range suitability for your operating environment.

Selection Notes

Select this component when multiple channels are required in a compact surface-mount footprint. It serves as a direct upgrade to older OPxx77 family members, offering significantly lower power consumption and higher bandwidth. Consider the TSSOP package dimensions against available PCB space. Evaluate the need for high CMRR and PSRR in noisy environments.

Part Context

This part belongs to the sixth generation of the industry-standard OP07 amplifier family. It replaces legacy devices like the OP4177 while providing improved performance metrics. The ADA4077 series includes single, dual, and quad configurations to support various channel count requirements in precision analog signal processing applications.

Replacement Considerations

ADA4077-4ARZ is a pin-compatible alternative in a 14-Lead SOIC package.