ADA4004-2ARMZ-R7

Overview

The ADA4004-2ARMZ-R7 is a dual-channel precision operational amplifier manufactured by Analog Devices Inc. It features a voltage noise density of 1.8 nV/√Hz and operates within a supply voltage range of ±5 V to ±15 V. The device offers a gain bandwidth product of 12 MHz and a slew rate of 2.7 V/μs. Input offset voltage is specified at a maximum of 140 μV, with an input bias current of up to 90 nA. It is housed in an 8-lead Mini Small Outline Package (MSOP) and supports operation from −40°C to +125°C.

Feature Summary

• Features very low voltage noise density of 1.8 nV/√Hz for high signal integrity.
• Designed on the iPolar process to reduce power consumption while maintaining speed and stability.
• Provides high open-loop gain of 120 dB and wide common-mode rejection ratio.

Applications

• Precision instrumentation
• Filter blocks
• Microphone preamplifiers
• Industrial control systems
• Thermocouples and RTDs

Procurement Notes

Verify that the ordering suffix R7 corresponds to tape and reel packaging as defined in the official Analog Devices Ordering Guide. Confirm the RM-8 package option matches the required footprint. Ensure RoHS compliance indicated by the Z suffix aligns with project specifications. Cross-reference the specific part number against the manufacturer's latest documentation to validate availability and revision status before procurement.

Selection Notes

Select this component when dual-channel precision amplification with low noise is required. The 12 MHz bandwidth suits applications needing moderate speed without excessive power draw. Consider the MSOP package for space-constrained designs. Verify that the ±5 V to ±15 V supply range fits the system architecture. Evaluate thermal resistance values if operating near temperature limits.

Part Context

This device belongs to the ADA4004 series, which includes single, dual, and quad variants. It shares core performance characteristics such as 1.8 nV/√Hz noise and 12 MHz bandwidth across the family. The series utilizes the iPolar process technology. Other members include the ADA4004-1 and ADA4004-4, offering different channel counts in various packages.

Replacement Considerations

ADA4004-2ARZ-R7

FAQ

What is the typical supply current per amplifier?

The supply current per amplifier is typically 1.7 mA, though it can reach up to 2.4 mA depending on the supply voltage and temperature conditions.

Does the device exhibit phase reversal?

No, the datasheet indicates no phase reversal occurs even when the input voltage exceeds the common-mode range.