AD8554AR

Overview

The AD8554AR is a quad precision operational amplifier from Analog Devices, featuring rail-to-rail input and output capabilities. It operates on a single supply voltage ranging from 2.7 V to 5 V. Key electrical specifications include a typical offset voltage of 1 μV with a drift of 0.005 μV/°C, an input bias current of 50 pA, and a gain-bandwidth product of 1.5 MHz at 5 V. The device offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) exceeding 130 dB. It is housed in a 14-lead narrow SOIC package.

Feature Summary

• Zero-drift architecture utilizing auto-zero stabilization for ultralow offset voltage and drift.
• Rail-to-rail input and output swing capability enabling full signal range utilization.
• High open-loop gain and exceptional CMRR and PSRR performance exceeding 130 dB.
• Ultralow input bias current ensuring minimal loading effects on high-impedance sources.

Applications

• Temperature sensors
• Pressure sensors
• Precision current sensing
• Strain gage amplifiers
• Medical instrumentation

Procurement Notes

Verify the specific ordering suffix 'R' corresponds to the 14-lead narrow SOIC package configuration required for your design. Confirm that the component meets the extended industrial temperature range specifications of -40°C to +125°C. Ensure compatibility with single-supply operation between 2.7 V and 5 V. Check for any RoHS compliance documentation if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when sub-microvolt offset stability is critical over wide temperature variations. The zero-drift technology eliminates the need for external trimming capacitors. Consider the rail-to-rail functionality for maximizing dynamic range in low-voltage single-supply systems. Evaluate the 1.5 MHz bandwidth against your signal frequency requirements to ensure adequate gain-bandwidth product.

Part Context

The AD8554AR belongs to the AD8551/AD8552/AD8554 family of zero-drift, single-supply, rail-to-rail input/output operational amplifiers. This series combines high accuracy with low cost by employing Analog Devices' proprietary auto-zero topology. The quad configuration provides four independent amplifiers within a single compact package, suitable for multi-channel signal conditioning applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.