AD8676ARZ-REEL

Overview

The AD8676ARZ-REEL is a dual-channel precision operational amplifier manufactured by Analog Devices Inc. It features rail-to-rail output swing and operates within a supply voltage range of ±5 V to ±18 V. The device exhibits ultralow offset voltage (typical 12 μV), low input bias current (maximum 2 nA), and very low voltage noise density of 2.8 nV/√Hz at 1 kHz. It provides a typical gain bandwidth product of 10 MHz and a slew rate of 2.5 V/μs. The component is housed in an 8-lead narrow SOIC package and supports the extended industrial temperature range from -40°C to +125°C.

Feature Summary

• Features rail-to-rail output capability combined with wide bandwidth and ultralow noise characteristics.
• Provides high precision through very low input offset voltage and minimal input bias current across the operating temperature range.
• Delivers high open-loop gain and excellent common-mode rejection ratio for accurate signal amplification.

Applications

• Precision instrumentation
• Medical instrumentation
• Strain gage amplifiers
• Thermocouple amplifiers

Procurement Notes

Verify that the ordering suffix REEL corresponds to the standard tape and reel packaging format for the 8-lead SOIC package. Confirm the specific grade (B or A) matches the required offset voltage specifications, as the datasheet defines distinct maximum limits for each grade. Ensure the procurement documentation explicitly states compliance with RoHS standards, indicated by the Z suffix in the part number.

Selection Notes

Select this component when designing circuits requiring simultaneous rail-to-rail output swing and ultralow noise performance. It is suitable for applications demanding high DC precision, such as sensor interfaces where low offset voltage and drift are critical. Consider the 10 MHz bandwidth and 2.5 V/μs slew rate for moderate-speed signal processing tasks. Verify that the ±5 V to ±18 V supply range aligns with the system power architecture.

Part Context

The AD8676 belongs to Analog Devices' ultraprecision op amp series, designed to combine the low noise of wider bandwidth devices with the precision of industry-standard amplifiers. It serves as the dual-channel counterpart to the single-channel AD8675. The family targets applications where maximizing signal-to-noise ratio and dynamic range is essential, offering space-efficient packaging options like the 8-lead MSOP and SOIC.

Replacement Considerations

The AD8675 is the single-channel equivalent within the same series. For quad-channel requirements, the AD8674 is available. Cross-referencing requires verifying pin compatibility and ensuring the replacement meets the specific B or A grade offset voltage requirements defined in the original design.