ADA4084-1ARJZ-RL

Overview

The ADA4084-1ARJZ-RL is a single-supply, low power operational amplifier featuring rail-to-rail input and output capabilities. It operates from +3 V to +30 V (or ±1.5 V to ±15 V) with a typical supply current of 0.625 mA per amplifier at ±15 V. The device offers a gain bandwidth product of 15.9 MHz and a slew rate of 4.6 V/µs. It maintains a maximum offset voltage of 100 µV in the SOIC package and provides a voltage noise density of 3.9 nV/√Hz at 1 kHz. The component is specified over an industrial temperature range of −40°C to +125°C.

Feature Summary

• Rail-to-rail input and output operation for maximizing dynamic range in single-supply systems
• Low power consumption with typical supply current of 0.625 mA per amplifier
• High precision performance characterized by low offset voltage and low noise density
• Unity-gain stable design suitable for direct feedback configurations

Applications

• Battery-powered instrumentation
• High-side and low-side sensing
• Power supply control and protection
• Telecommunications equipment
• Analog-to-digital converter (ADC) input buffers

Procurement Notes

Verify the specific ordering suffix ARJZ-RL against the manufacturer's official documentation to confirm the SOT-23-5 package type and reel packaging configuration. Ensure compatibility with the required operating temperature range and electrical specifications before integration into the final design.

Selection Notes

Select this component for applications requiring both AC and precision DC performance under single-supply conditions. The combination of wide bandwidth, low noise, and rail-to-rail swing makes it suitable for building multistage filters while maintaining high signal-to-noise ratios in portable or battery-operated systems.

Part Context

This part belongs to the ADA4084 series, which includes single, dual, and quad amplifier variants. These amplifiers are designed as high-voltage, low-noise operational amplifiers intended for general-purpose use where precision and low power consumption are critical requirements in modern electronic devices.

Replacement Considerations

ADA4084-1ARJZ-R2

FAQ

What is the maximum differential input voltage allowed?

The absolute maximum rating for differential input voltage is ±0.6 V. For voltages exceeding this limit, the input current must be limited to less than 5 mA.

Is the ADA4084-1 unity-gain stable?

Yes, the ADA4084-1 is unity-gain stable, allowing for direct feedback connections without risk of oscillation.