• LM124J CDIP (J)-14
LM124J CDIP (J)-14


Op Amp Quad High Gain Amplifier ±16V/32V 14-Pin CDIP Tube

Quantity Unit Price(USD) Ext. Price
1 $7.019 $7.02
10 $6.139 $61.39
25 $5.601 $140.02
100 $5.151 $515.10


*The price is for reference only.
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  • Part Number : LM124J

  • Package/Case : CDIP (J)-14

  • Brands : TI

  • Components Categories : Operational Amplifiers

  • Datesheet : LM124J DataSheet (PDF)

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Overview of LM124J

The LM124J is a quad operational amplifier IC that offers high precision and versatility in a compact package. With four independent op-amps, this IC is suitable for a wide range of analog applications requiring amplification, filtering, and signal conditioning.


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

  • OUT1: Output for Op-Amp 1
  • -IN1: Inverting Input for Op-Amp 1
  • +IN1: Non-Inverting Input for Op-Amp 1
  • V+: Positive Power Supply
  • OUT2: Output for Op-Amp 2
  • -IN2: Inverting Input for Op-Amp 2
  • +IN2: Non-Inverting Input for Op-Amp 2
  • V-: Negative Power Supply
  • OUT3: Output for Op-Amp 3
  • -IN3: Inverting Input for Op-Amp 3
  • +IN3: Non-Inverting Input for Op-Amp 3
  • NC: No Connection
  • OUT4: Output for Op-Amp 4
  • -IN4: Inverting Input for Op-Amp 4
  • +IN4: Non-Inverting Input for Op-Amp 4

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM124J IC for a visual representation.

Key Features

  • Quad Operational Amplifiers: Consists of four independent op-amps in a single package for versatile analog circuit designs.
  • High Precision: Offers high precision and accuracy for amplification and filtering applications.
  • Wide Operating Voltage Range: Operates with a wide voltage range, making it suitable for various power supply configurations.
  • Low Input Offset Voltage: Provides low input offset voltage for enhanced signal accuracy.
  • High Gain Bandwidth Product: Features a high gain bandwidth product for stable amplification of signals.

Note: For detailed technical specifications, please refer to the LM124J datasheet.


  • Signal Conditioning: Ideal for signal conditioning tasks in sensor interfaces and measurement systems.
  • Active Filters: Used in active filter circuits for audio processing and frequency shaping.
  • Instrumentation Amplifiers: Suitable for instrumentation amplifier configurations for precise measurements.


The LM124J is a quad operational amplifier that provides high precision amplification and signal processing capabilities. It is designed to offer reliable performance in a variety of analog circuit applications.

Usage Guide

  • Power Supply: Connect V+ (Pin 4) to the positive power supply and V- (Pin 8) to the negative power supply.
  • Input Connections: Connect the non-inverting and inverting input pins (+INx and -INx) to the input signal sources.
  • Output: The output pins (OUTx) provide the amplified output signals from each op-amp.

Frequently Asked Questions

Q: What is the maximum supply voltage for the LM124J?
A: The LM124J can operate with a maximum supply voltage of +/- 18V.

Q: Is the LM124J suitable for audio amplifier applications?
A: Yes, the LM124J can be used in audio amplifier circuits for amplifying and processing audio signals.


For similar functionalities, consider these alternatives to the LM124J:

  • LM324N: A quad op-amp IC offering similar operational capabilities with different package options.
  • LM358P: Dual operational amplifier IC with comparable performance characteristics suitable for various applications.



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

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 16 Rail-to-rail In to V-
GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 0.5
Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.175
Vn at 1 kHz (typ) (nV√Hz) 35 Rating Military
Operating temperature range (°C) -55 to 125 Offset drift (typ) (µV/°C) 0
Input bias current (max) (pA) 150000 CMRR (typ) (dB) 80
Iout (typ) (A) 0.04 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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