ADTL082ARZ

Overview

The ADTL082ARZ is a dual-channel JFET input operational amplifier manufactured by Analog Devices Inc. It serves as an industry-standard replacement for the TL082, offering superior performance metrics including low noise and high slew rate. The device operates within a supply voltage range of ±4 V to ±18 V (8 V to 36 V total). Key electrical specifications include a gain-bandwidth product of 5 MHz, a slew rate of 20 V/µs, and an input bias current of 5 nA maximum at extended temperatures. It features a maximum offset voltage of 5.5 mV and operates reliably across a temperature range of -40°C to +125°C in the SOIC-8 package.

Feature Summary

• JFET input architecture providing low input bias current
• Unity-gain stable design suitable for general-purpose amplification
• Low noise density of 16 nV/√Hz for signal integrity
• Wide bandwidth and high slew rate for dynamic applications

Applications

• Active filters requiring precise signal conditioning
• Industrial and process control systems
• Data acquisition front-end circuits
• Sample and hold circuit implementations
• Power control and monitoring equipment

Procurement Notes

Verify the specific grade suffix against the ordering guide to confirm the operating temperature range. The 'A' grade supports extended industrial conditions, while 'J' grade covers commercial ranges. Ensure the package option matches the required footprint, as lead-free status is indicated by the 'Z' suffix. Confirm availability through authorized distributors as stock levels fluctuate.

Selection Notes

Select the ADTL082ARZ when a direct pin-compatible upgrade from TL082 devices is required with improved offset voltage and noise characteristics. Consider the A-grade specification if operation below 0°C or above 70°C is necessary. Evaluate the 5 MHz bandwidth against application frequency requirements to ensure adequate phase margin. Compare supply current consumption against power-constrained designs.

Part Context

This component belongs to the ADTL08x family of low-cost JFET input operational amplifiers. It is designed as an enhanced alternative to legacy TL08x series devices, offering better common-mode rejection and lower offset drift. The family includes quad versions like the ADTL084, maintaining compatibility with standard dual-op-amp form factors.

Replacement Considerations

Official substitutes include other members of the ADTL08x family such as the ADTL084 for quad configurations. Direct replacements for legacy TL082 parts should verify that the new device meets the specific offset voltage and bias current requirements of the original design.

FAQ

What is the maximum input bias current for the ADTL082ARZ?

The maximum input bias current is 100 pA at 25°C and increases to 5 nA over the extended temperature range of -40°C to +125°C.

Is the ADTL082ARZ unity-gain stable?

Yes, the datasheet specifies that the ADTL082/ADTL084 are unity-gain stable.

What does the 'Z' suffix indicate in the part number ADTL082ARZ?

The 'Z' suffix indicates that the part is RoHS compliant.