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Op Amp Dual Precision Amplifier R-R I/O ±2.5V/5V 8-Pin SOIC N Tube


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Overview of AD8539ARZ

The AD8539ARZ is a precision operational amplifier with rail-to-rail output and low input bias current. This op-amp features high accuracy and low noise, making it suitable for high-performance analog signal processing applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • V-: Negative power supply
  • V+: Positive power supply
  • IN-: Non-inverting input
  • IN+: Inverting input
  • OUT: Output
  • VCC: Positive power supply
  • VEE: Negative power supply
  • NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD8539ARZ operational amplifier for a visual representation.

Key Features

  • Rail-to-Rail Output: Provides output voltage swings very close to the supply rails, maximizing dynamic range.
  • Low Input Bias Current: Features low input bias currents for accurate signal processing.
  • High Accuracy: Offers high precision and stability for demanding applications.
  • Low Noise: Operates with minimal noise, ensuring clean signal amplification.
  • Wide Supply Voltage Range: Supports operation from a wide range of supply voltages for flexibility in design.
  • Small Package: Available in a compact package for space-constrained applications.

Note: For detailed technical specifications, please refer to the AD8539ARZ datasheet.


  • Signal Conditioning: Ideal for precision signal conditioning in instrumentation and sensor applications.
  • Active Filters: Suitable for active filter designs requiring high accuracy and low noise.
  • Data Acquisition Systems: Used in data acquisition systems for accurate analog signal processing.


The AD8539ARZ is a precision operational amplifier designed for high-performance analog signal processing. It offers accurate amplification and filtering for various applications requiring precision analog circuitry.

Usage Guide

  • Power Supply: Connect V+ (Pin 2) and V- (Pin 1) to the positive and negative supply voltages, respectively.
  • Input Connections: Apply the input signals to the IN+ (Pin 4) and IN- (Pin 3) inputs for signal amplification.
  • Output: The amplified signal can be obtained at the OUT pin (Pin 5) of the op-amp.

Frequently Asked Questions

Q: What is the typical input bias current for the AD8539ARZ?
A: The AD8539ARZ features a typical input bias current in the low picoamp range, ensuring minimal impact on signal integrity.

Q: Can the AD8539ARZ operate with a single power supply?
A: Yes, the AD8539ARZ can operate with a single supply voltage, enabling flexibility in various applications.


For similar functionalities, consider these alternatives to the AD8539ARZ:

  • LT1028: A precision operational amplifier with ultra-low noise performance and high accuracy.
  • OPA1688: This op-amp offers high precision and low distortion for demanding audio applications.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Package Tube Product Status Active
Amplifier Type Zero-Drift Number of Circuits 2
Slew Rate 0.4V/µs Gain Bandwidth Product 430 kHz
Current - Input Bias 15 pA Voltage - Input Offset 5 µV
Current - Supply 170µA (x2 Channels) Current - Output / Channel 25 mA
Voltage - Supply Span (Min) 2.7 V Voltage - Supply Span (Max) 5.5 V
Operating Temperature -40°C ~ 125°C Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Supplier Device Package 8-SOIC
Base Product Number AD8539

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