Operational Amplifiers - Op Amps Industry’s lowest offset drift (0.012 uV/°C, max), 5.7 nV/rtHz, MUX-friendly 36V op amp 8-VSSOP -40 to 125


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Overview of OPA2182IDGKR

The OPA2182IDGKR is a dual operational amplifier IC with rail-to-rail output and low offset voltage. It is designed for precision analog signal processing applications, offering high accuracy and stability in a compact package.


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

  • OUTB: Output B
  • INB-: Inverting Input B
  • INB+: Non-Inverting Input B
  • V-: Negative Power Supply
  • OUTA: Output A
  • INA-: Inverting Input A
  • INA+: Non-Inverting Input A
  • V+: Positive Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the OPA2182IDGKR IC for a visual representation.

Key Features

  • Dual Operational Amplifier: Features two independent op-amps in a single package for versatile signal processing.
  • Rail-to-Rail Output: Provides output voltage that can reach both supply rails, maximizing dynamic range.
  • Low Offset Voltage: Offers low input offset voltage for accurate signal processing and precision applications.
  • High Accuracy: Delivers high precision and accuracy in amplifying analog signals with minimal distortion.
  • Compact Package: Available in a space-saving MSOP-8 package for easy integration into circuit designs.

Note: For detailed technical specifications, please refer to the OPA2182IDGKR datasheet.


  • Precision Signal Processing: Ideal for applications requiring precise amplification and filtering of analog signals.
  • Instrumentation: Suitable for use in instrumentation and measurement systems demanding high accuracy and stability.
  • Sensor Interfaces: Used in sensor signal conditioning circuits to amplify and process sensor output signals.


The OPA2182IDGKR is a dual operational amplifier designed for accurate and stable analog signal processing. With rail-to-rail output and low offset voltage, it ensures precise amplification and filtering in a variety of applications.

Usage Guide

  • Power Supply: Connect V+ (Pin 8) to the positive power supply and V- (Pin 4) to the negative power supply.
  • Input Connections: Connect the INA+, INA-, INB+, INB- pins to the input signal sources.
  • Output Handling: Output signals can be accessed from OUTA and OUTB pins for further processing.

Frequently Asked Questions

Q: What is the typical input offset voltage of the OPA2182IDGKR?
A: The OPA2182IDGKR features a typical input offset voltage of X mV for precise signal amplification.

Q: Can the OPA2182IDGKR operate with a single power supply?
A: Yes, the OPA2182IDGKR can operate with a single supply voltage, simplifying circuit design in certain applications.


For similar functionalities, consider these alternatives to the OPA2182IDGKR:

  • OPA2277AIDR: A dual precision op-amp with low noise and high bandwidth characteristics for demanding applications.
  • LTC1052CN8: This is a dual precision op-amp IC from Linear Technology offering high accuracy and rugged performance.



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

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Vos (offset voltage at 25°C) (max) (mV) 0.004
GBW (typ) (MHz) 5 Features EMI Hardened, MUX Friendly, Zero Drift
Slew rate (typ) (V/µs) 10 Rail-to-rail Out
Offset drift (typ) (µV/°C) 0.003 Iq per channel (typ) (mA) 0.85
Vn at 1 kHz (typ) (nV√Hz) 5.7 CMRR (typ) (dB) 168
Rating Catalog Operating temperature range (°C) -40 to 125
Input bias current (max) (pA) 350 Iout (typ) (A) 0.065
Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1
Input common mode headroom (to positive supply) (typ) (V) -2.5 Output swing headroom (to negative supply) (typ) (V) 0.005
Output swing headroom (to positive supply) (typ) (V) -0.005 THD + N at 1 kHz (typ) (%) 0.00008

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