AD8556ACPZ-REEL

Overview

The AD8556ACPZ-REEL is a zero-drift sensor signal amplifier manufactured by Analog Devices Inc. It features digitally programmable gain ranging from 70 to 1280 and an output offset voltage adjustable via a single-wire serial interface. The device includes internal EMI filters on input pins and operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical specifications include a maximum input offset voltage of 12 µV across the extended temperature range, a maximum drift of 65 nV/°C, and a minimum common-mode rejection ratio of 94 dB. It is specified for operation from −40°C to +140°C.

Feature Summary

• Digitally programmable gain and output offset voltage via a single-wire serial interface
• Integrated EMI filters at input pins for noise suppression
• Open and short wire fault detection capabilities with automatic output clamping
• Stable operation with any capacitive load

Applications

• Pressure and position sensors
• Precision current sensing
• Strain gages

Procurement Notes

Verify the specific package type and reel configuration against the ordering guide. Confirm that the component meets the required operating temperature range and electrical specifications for your application. Check for any discontinuation notices or end-of-life status updates from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when high precision and low drift are critical for sensor signal conditioning. The digital programmability allows for flexible gain and offset adjustments without external components. Ensure the system design accommodates the single-wire serial interface timing requirements and provides adequate power supply decoupling for stable operation.

Part Context

This part belongs to the AD8556 series of sensor signal amplifiers. It utilizes auto-zero and DigiTrim technologies to achieve high accuracy in a compact footprint. The device is designed to convert variable sensor outputs to well-defined voltage ranges, making it suitable for industrial and automotive applications requiring robust signal processing.

Replacement Considerations

Consult the official datasheet ordering guide for direct pin-compatible alternatives. Verify functional equivalence regarding gain ranges, offset adjustability, and fault detection features before substituting.