AD8605ARTZ-REEL7

Overview

The AD8605ARTZ-REEL7 is a single-channel, 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. Key electrical specifications include a maximum offset voltage of 65 µV, a typical unity gain bandwidth of 10 MHz, and a slew rate of 5 V/µs. The device exhibits low noise characteristics with an input voltage noise density of 8 nV/√Hz and extremely low input bias currents up to 1 pA. It utilizes DigiTrim® technology for high precision without laser trimming.

Feature Summary

• Features rail-to-rail input and output operation for maximum dynamic range in single-supply applications.
• Utilizes patented DigiTrim® trimming technique to achieve superior precision without laser trimming.
• Provides very low offset voltage and low input bias current suitable for high impedance sensors.
• Operates stably at unity gain with wide signal bandwidth.

Applications

• Photodiode amplification
• Battery-powered instrumentation
• Multipole filters
• Sensors
• Audio

Procurement Notes

Verify the specific package suffix against the datasheet ordering guide to ensure compatibility with the required footprint. Confirm that the REEL7 designation matches the intended tape-and-reel quantity for automated assembly processes. Cross-reference the revision history to ensure the component version aligns with design requirements.

Selection Notes

Select this component when low offset voltage and low noise are critical for signal integrity. The rail-to-rail capability makes it suitable for low-voltage single-supply systems. Consider the thermal resistance values provided in the datasheet for power dissipation calculations in compact surface-mount packages.

Part Context

This part belongs to the AD8605/AD8606/AD8608 family of precision, low-noise, CMOS, rail-to-rail input/output operational amplifiers manufactured by Analog Devices Inc. The AD8605 specifically denotes the single-channel variant within this series, designed for applications requiring high accuracy and wide bandwidth.

Replacement Considerations

Direct substitutes within the same family include the AD8606 (dual channel) and AD8608 (quad channel), provided pinout compatibility is verified. Other single-channel precision amplifiers may require schematic adjustments due to differing pin configurations or electrical characteristics.

FAQ

Does the AD8605 exhibit output phase reversal?

No, the AD8605 does not exhibit output phase reversal even for inputs exceeding the supply voltage by more than 2 V.

What is the maximum input bias current?

The maximum input bias current is 1 pA.