AD8671ARZ-REEL7

Overview

The AD8671ARZ-REEL7 is a single-channel precision operational amplifier from Analog Devices, featuring very low noise and low input bias current. It operates on dual supplies ranging from ±5 V to ±15 V with a supply current of 3 mA per amplifier. Key electrical parameters include a gain bandwidth product of 10 MHz, a slew rate of 4 V/µs, and an input offset voltage maximum of 75 µV at 25°C. The device exhibits a voltage noise density of 2.8 nV/√Hz and maintains unity-gain stability while driving capacitive loads exceeding 1000 pF without phase reversal.

Feature Summary

• Features extremely low input voltage noise density for high-fidelity signal processing.
• Maintains unity-gain stability while driving large capacitive loads exceeding 1000 pF.
• Eliminates output phase reversal even when input voltages exceed the supply rails.
• Provides high open-loop gain and wide bandwidth suitable for precision control applications.

Applications

• PLL synthesizers and loop filters
• GPS receiver band-pass and low-pass filters
• Professional quality audio circuits
• Precision instrumentation and sensors

Procurement Notes

Verify that the ordering suffix REEL7 corresponds to the tape and reel packaging format specified in the official Analog Devices ordering guide. Confirm the RoHS compliant status indicated by the Z suffix. Ensure the component matches the 8-lead SOIC package dimensions and thermal characteristics defined in the datasheet outline drawings before integration.

Selection Notes

Select this component for designs requiring ultralow noise combined with high precision and speed. It is suitable for applications needing stable operation with significant capacitive loading. Consider the extended industrial temperature range and bipolar input stage characteristics when evaluating alternatives for low source resistance environments.

Part Context

This part belongs to the AD8671/AD8672/AD8674 series of precision amplifiers designed for high-performance analog signal conditioning. The AD8671 represents the single-channel variant within this family, sharing core specifications such as low noise and low bias current with its dual and quad counterparts while offering distinct pin configurations for single-channel implementations.

Replacement Considerations

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

FAQ

Does the AD8671 exhibit output phase reversal?

No, the AD8671 does not exhibit output phase reversal even when the input voltage exceeds the supply voltage by up to 1 V.

What is the maximum capacitive load the AD8671 can drive stably?

The outputs are stable with capacitive loads of over 1000 pF without external compensation.