Op Amp Dual GP ±16V/32V 8-Pin CDIP Tube


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  • Part Number : LM158JGB

  • Package/Case : CDIP-8

  • Brands : TI

  • Components Categories : Operational Amplifiers

  • Datesheet : LM158JGB DataSheet (PDF)

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Overview of LM158JGB

The LM158JGB is a dual operational amplifier IC known for its high precision and reliability in a wide range of analog circuit applications. This IC features two independent op-amps in a single package, providing a cost-effective solution for various signal processing tasks.


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

  • OUT A: Output of Op-Amp A
  • IN- A: Inverting Input of Op-Amp A
  • IN+ A: Non-Inverting Input of Op-Amp A
  • VCC+: Positive Power Supply
  • VCC-: Negative Power Supply
  • IN+ B: Non-Inverting Input of Op-Amp B
  • IN- B: Inverting Input of Op-Amp B
  • OUT B: Output of Op-Amp B

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM158JGB IC for a visual representation.

Key Features

  • Dual Operational Amplifiers: Features two independent op-amps for versatile circuit design.
  • High Precision: The LM158JGB offers high precision and accuracy in signal processing applications.
  • Wide Operating Voltage Range: Operates efficiently within a broad voltage range for flexibility in circuit design.
  • Low Input Bias Current: Ensures minimal input current, enhancing the performance of the op-amps.
  • Low Offset Voltage: Provides accurate and stable amplification of input signals with minimal offset.

Note: For detailed technical specifications, please refer to the LM158JGB datasheet.


  • Signal Conditioning: Ideal for signal conditioning tasks such as filtering, amplification, and summing of analog signals.
  • Active Filters: Suitable for designing active filter circuits for various frequency response requirements.
  • Instrumentation Amplifiers: Can be used to build instrumentation amplifiers for precise measurement applications.


The LM158JGB is designed to provide accurate and reliable amplification of analog signals using its dual operational amplifiers. It offers versatility in circuit design and is well-suited for a wide range of applications.

Usage Guide

  • Power Supply: Connect VCC+ and VCC- to the positive and negative power supplies, respectively.
  • Input Connections: Utilize the non-inverting and inverting input pins for configuring the desired signal processing task.
  • Output Handling: Output pins of each op-amp provide the amplified signal output for further processing.

Frequently Asked Questions

Q: What is the input voltage range supported by the LM158JGB?
A: The LM158JGB can typically operate with input voltages within the supply voltage range specified in the datasheet.

Q: Is the LM158JGB suitable for audio signal processing applications?
A: Yes, the LM158JGB's high precision and dual op-amp configuration make it suitable for audio signal processing tasks with proper circuit design.


For similar functionalities, consider these alternatives to the LM158JGB:

  • LM358N: A dual operational amplifier IC with similar characteristics and performance to the LM158JGB.
  • MC34072P: This dual op-amp IC offers comparable precision and features to the LM158JGB, suitable for various analog applications.



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) 32
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V-
GBW (typ) (MHz) 0.7 Slew rate (typ) (V/µs) 0.3
Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.35
Vn at 1 kHz (typ) (nV√Hz) 40 Rating Military
Operating temperature range (°C) -55 to 125 Offset drift (typ) (µV/°C) 7
Input bias current (max) (pA) 150000 CMRR (typ) (dB) 80
Iout (typ) (A) 0.03 Architecture Bipolar
Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5
Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -2

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