AD8604ARZ-REEL

Overview

The AD8604ARZ-REEL is a quad precision CMOS operational amplifier featuring rail-to-rail input and output capabilities. It operates on a single supply voltage ranging from 2.7 V to 5.5 V with a typical supply current of 750 µA per amplifier. The device offers an 8.4 MHz gain bandwidth product, a 6 V/µs slew rate at 5 V, and a maximum offset voltage of 1300 µV (A Grade) or 6000 µV (D Grade). Input bias current is typically 0.2 pA, and it includes input overvoltage protection.

Feature Summary

• Patented DigiTrim technology provides superior precision without laser trimming.
• True rail-to-rail architecture allows full signal swing at both input and output stages.
• Low input bias current minimizes errors in high source impedance applications.
• No phase reversal occurs during overload conditions.

Applications

• Current sensing
• Barcode scanners
• PA controls
• Battery-powered instrumentation
• Multipole filters

Procurement Notes

Verify the specific grade (A or D) required for your application, as offset voltage specifications vary significantly between them. Confirm that the REEL suffix matches your automated assembly requirements. Ensure the SOIC-14 package dimensions align with your PCB footprint design constraints.

Selection Notes

Select this component when low power consumption and wide bandwidth are critical in single-supply systems. The rail-to-rail I/O capability makes it suitable for buffering ADCs and DACs. Consider the A Grade for tighter DC precision or the D Grade for cost-sensitive designs where higher offset voltage is acceptable.

Part Context

This part belongs to the AD860x family of precision amplifiers manufactured by Analog Devices. The AD8604 variant specifically integrates four independent amplifiers within a single package. The family utilizes CMOS technology optimized for low noise and high speed while maintaining low power dissipation.

Replacement Considerations

Direct functional replacements include other members of the AD860x series such as the AD8601 (single) or AD8602 (dual), provided pin compatibility is maintained. Verify that any substitute maintains the same rail-to-rail input/output characteristics and supply voltage range.