ADA4098-2BRMZ-RL7

Overview

The ADA4098-2BRMZ-RL7 is a dual-channel, precision operational amplifier manufactured by Analog Devices Inc. It features an Over-The-Top input stage allowing operation from −VS to +VS and beyond, with a maximum supply voltage of 50 V. The device offers a gain-bandwidth product of 1.05 MHz and a slew rate of 0.85 V/µs. Key electrical specifications include a maximum input offset voltage of ±35 µV (B grade), low power consumption of 165 µA per channel, and high common-mode rejection ratio of 120 dB minimum. It operates within a temperature range of -40°C to +125°C.

Feature Summary

• Robust Over-The-Top input stage tolerant to abusive environments
• Low power supply current with shutdown capability
• High precision with low input offset voltage and drift
• Rail-to-rail input and output performance

Applications

• Industrial sensor signal conditioning
• Supply current sensing
• Battery and power supply monitoring
• Front-end amplifiers in abusive environments
• 4 mA to 20 mA transmitters

Procurement Notes

Verify the specific B-grade classification for offset voltage limits and confirm the MSOP-8 package availability for the RL7 suffix. Ensure compatibility with the required operating temperature range and check for any recent datasheet revisions that may impact pinout or thermal characteristics.

Selection Notes

Select this component for applications requiring high precision over a wide common-mode voltage range extending above the positive supply rail. Consider the low quiescent current for battery-powered systems and the robust input protection for harsh industrial environments. Verify that the dual-channel configuration meets the circuit requirements compared to single-channel alternatives.

Part Context

This part belongs to the ADA4098 family of precision op amps designed for robust performance in demanding conditions. The dual-channel variant provides two independent amplifiers in a compact package, suitable for space-constrained designs requiring high accuracy and wide dynamic range.

Replacement Considerations

ADA4098-2ARMZ-R7

FAQ

What is the maximum differential input voltage the ADA4098-2 can withstand?

The device can tolerate a differential input voltage of up to ±80 V without damage.

Does the ADA4098-2 support shutdown functionality?

Yes, the device supports low power shutdown, reducing supply current to a maximum of 20 µA when activated.