AD8544WARZ-RL

Overview

The AD8544WARZ-RL is a quad, low-power, rail-to-rail input and output operational amplifier from Analog Devices. It operates on a single supply ranging from 2.7 V to 5.5 V with a typical supply current of 45 µA per amplifier. The device features a gain bandwidth product of 1 MHz, a slew rate of 0.92 V/µs at 5 V, and an input bias current as low as 4 pA. It is specified over the extended industrial temperature range of -40°C to +125°C and is AEC-Q100 qualified for automotive applications.

Feature Summary

• Automotive-grade qualification supporting quality and reliability requirements for automotive environments.
• Rail-to-rail input and output capabilities enabling full signal swing in single-supply systems.
• Low power consumption optimized for battery-operated portable designs.
• High input impedance suitable for high source impedance sensor interfaces.

Applications

• ASIC input or output buffering
• Sensor interfaces
• Piezoelectric transducer amplifiers
• Medical instrumentation
• Portable systems

Procurement Notes

Verify that the specific part number matches the required automotive grade (W suffix) and reel packaging configuration. Confirm RoHS compliance status and ensure the ordering quantity aligns with the standard reel sizes defined in the manufacturer's ordering guide. Cross-reference the datasheet revision to ensure all electrical specifications meet the design requirements.

Selection Notes

Select this component when automotive qualification is mandatory alongside low power consumption. The quad configuration allows multiple channels in a single package. Ensure the application benefits from rail-to-rail performance and does not require shutdown functionality. Verify that the 1 MHz bandwidth meets the signal processing needs.

Part Context

This part belongs to the AD854x family of CMOS general-purpose amplifiers. The 'W' suffix indicates automotive qualification, while 'RL' denotes the reel packaging format. It shares core electrical characteristics with commercial variants but adheres to stricter manufacturing controls for automotive reliability.

Replacement Considerations

AD8544ARZ-REEL

FAQ

Is the AD8544WARZ-RL unity gain stable?

Yes, the AD854x family is designed to be unity gain stable across the specified operating conditions.

What is the maximum differential input voltage?

The absolute maximum rating for differential input voltage is ±6 V, which equals ±VS for supplies less than 6 V.