AD8604ARQZ

Overview

The AD8604ARQZ is a quad-channel precision CMOS operational amplifier manufactured by Analog Devices Inc. It features rail-to-rail input and output capabilities, operating on a single supply voltage ranging from 2.7 V to 5.5 V. The device utilizes DigiTrim technology for low offset voltage without laser trimming. Key electrical parameters include an 8.4 MHz gain bandwidth product, a 6 V/µs slew rate at 5 V supplies, and a typical supply current of 750 µA per amplifier. It operates within an extended industrial temperature range of -40°C to +125°C.

Feature Summary

• Rail-to-rail input and output architecture maximizes usable voltage range in single-supply systems.
• DigiTrim technology achieves superior DC precision through post-assembly trimming without laser adjustment.
• Low input bias current and low offset voltage enable high impedance sensor interfacing.

Applications

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

Procurement Notes

Verify the specific package suffix 'RQ' corresponds to the 16-lead QSOP configuration required for your design. Confirm that the A Grade specifications meet your maximum offset voltage requirements compared to the D Grade options. Ensure the ordering information matches the exact part number format provided by the manufacturer.

Selection Notes

Select this component when a quad-channel solution with rail-to-rail performance is needed in a compact surface-mount package. Consider the 16-lead QSOP form factor for board space constraints. Evaluate the trade-off between the 8.4 MHz bandwidth and the 750 µA power consumption for battery-operated applications.

Part Context

This part belongs to the AD860x family of precision CMOS amplifiers, which includes single (AD8601) and dual (AD8602) variants. The family shares core architectural features such as DigiTrim technology and rail-to-rail I/O. The AD8604 specifically provides four independent channels in the 16-lead QSOP package.

Replacement Considerations

Direct pin-compatible replacements within the same series include AD8604ARZ (SOIC-14) and AD8604ARU (TSSOP-14). Verify package dimensions and thermal characteristics when substituting different package types.