ADA4084-4ACPZ-R7

Overview

The ADA4084-4ACPZ-R7 is a quad, single-supply 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 exhibits low noise performance with 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 enables high signal-to-noise ratios in single-supply systems.
• Low power consumption with typical supply current of 0.625 mA per amplifier at ±15 V.
• Precision DC performance characterized by low offset voltage and low drift.
• Unity-gain stable design suitable for filters and instrumentation applications.

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 package type and ordering suffix against the manufacturer's official documentation before procurement. Confirm that the exposed pad connection requirements for the LFCSP package are met in the design. Ensure compatibility with the required operating temperature range and supply voltage specifications for the intended application environment.

Selection Notes

Select this component for applications requiring both AC and precision DC performance in single-supply environments. The quad configuration allows for space-efficient designs in portable telecommunications and sensor signal conditioning. Consider the rail-to-rail capability when maximizing dynamic range is critical. Verify thermal resistance values based on the PCB layout and airflow conditions.

Part Context

The ADA4084-4 is part of the ADA4084 series, which includes single (ADA4084-1) and dual (ADA4084-2) variants. This series consists of high-voltage, low-noise operational amplifiers offered by Analog Devices. The quad version provides four independent amplifiers in a single package, facilitating complex multi-channel signal processing circuits.

Replacement Considerations

Direct substitutes within the same family include the ADA4084-1 and ADA4084-2 for single and dual channel needs respectively. Other low-noise op amps from Analog Devices may be considered if pinout or package differences are acceptable.