ADA4666-2ARMZ-R7

Overview

The ADA4666-2ARMZ-R7 is a dual-channel CMOS operational amplifier featuring rail-to-rail input and output capabilities. It operates on supply voltages ranging from 3 V to 18 V single-supply or ±1.5 V to ±9 V dual-supply configurations. The device provides a typical gain bandwidth product of 4 MHz with a slew rate of 2 V/µs. Key electrical characteristics include a maximum offset voltage of 2.2 mV, an input bias current of 15 pA, and a supply current of 725 µA per amplifier. It functions reliably within the extended industrial temperature range of −40°C to +125°C.

Feature Summary

• Rail-to-rail input and output stages enable full signal swing across the entire supply voltage range.
• CMOS architecture delivers low power consumption while maintaining high bandwidth performance.
• High common-mode rejection ratio ensures accurate signal processing under varying input conditions.
• Robust EMI rejection capability maintains stability in electrically noisy environments.

Applications

• Current shunt monitors
• Active filters
• Portable medical equipment
• Buffer and level shifting circuits
• Battery powered instrumentation

Procurement Notes

Verify the specific ordering suffix R7 corresponds to the reel packaging format required for automated assembly processes. Confirm that the component meets RoHS compliance standards applicable to your manufacturing region. Ensure the supplier provides valid traceability documentation for the Analog Devices Inc. manufacturer part number. Cross-reference the datasheet revision to confirm all electrical specifications match your design requirements before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring wide dynamic input ranges without sacrificing low power efficiency. The dual-channel configuration is suitable for applications needing two independent amplifiers in a compact footprint. Consider the 8-lead MSOP package constraints regarding thermal dissipation and board space. Evaluate the 4 MHz bandwidth against your signal frequency requirements to ensure adequate phase margin and settling time.

Part Context

This device belongs to the ADA4666 family of precision low-power operational amplifiers manufactured by Analog Devices Inc. The series is designed for applications demanding high accuracy and wide supply voltage operation. The dual-channel variant integrates two identical amplifier circuits into a single package, optimizing board space for multi-channel signal conditioning tasks.

Replacement Considerations

ADA4666-2ACPZ-R7

FAQ

What is the maximum supply voltage for the ADA4666-2?

The absolute maximum supply voltage rating is 20.5 V, though normal operation is specified up to 18 V.

Does the amplifier support single-supply operation?

Yes, it supports single-supply operation ranging from 3 V to 18 V.