ADA4075-2ACPZ-R7

Overview

The ADA4075-2ACPZ-R7 is a dual-channel, ultralow noise operational amplifier manufactured by Analog Devices Inc. It utilizes the iPolar advanced bipolar process to achieve high performance with low power consumption. Key electrical parameters include a typical voltage noise density of 2.8 nV/√Hz at 1 kHz and a total harmonic distortion plus noise of 0.0002%. The device features a gain bandwidth product of 6.5 MHz and a slew rate of 12 V/μs. It operates on dual supplies ranging from ±4.5 V to ±18 V, draws 1.8 mA per amplifier, and maintains an offset voltage of 1 mV maximum. It is specified for operation within the -40°C to +125°C temperature range.

Feature Summary

• Ultralow noise performance achieved through advanced iPolar bipolar technology
• High slew rate and wide bandwidth suitable for demanding signal processing
• Integrated phase reversal prevention circuitry for enhanced reliability
• Unity-gain stable design with extended industrial temperature range

Applications

• Precision instrumentation
• Professional audio signal processing
• Active filters
• Low noise amplifier front ends
• Integrators

Procurement Notes

Verify the specific package type and tape-and-reel quantity against the official ordering guide before purchase. Confirm that the supply voltage requirements align with the ±4.5 V to ±18 V operating range. Ensure input protection measures are considered if differential voltages may exceed ±1.2 V. Check thermal resistance specifications for the LFCSP package in your enclosure design. Validate component authenticity through authorized distribution channels.

Selection Notes

Select this component when ultralow noise and high fidelity are critical requirements. The dual configuration reduces board space compared to single-channel alternatives. Consider the 2 mm × 2 mm LFCSP package for high-density applications. Evaluate the 1.8 mA supply current against system power budgets. Verify that the 6.5 MHz bandwidth meets the frequency response needs of the target application.

Part Context

This part belongs to the ADA4075 series of ultralow noise amplifiers. It is designed for applications requiring high accuracy and minimal signal degradation. The device integrates two independent amplifiers into a single package. It is optimized for professional audio and precision measurement systems where signal integrity is paramount.

Replacement Considerations

Consult the manufacturer's documentation for direct pin-compatible substitutes within the same series. Verify that any alternative component matches the ultralow noise specifications and supply voltage range. Ensure the replacement supports the required operating temperature range and package dimensions.