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Home > Other > The Ultimate Guide to LM324 vs LM358 Op Amp ICs

The Ultimate Guide to LM324 vs LM358 Op Amp ICs

Update Time: 2023-11-29 14:03:53

Contents

In certain instances, manufacturers produce specific ICs in diverse packages, varying in the number of integrated units. While these packages may share a visual resemblance, distinct op-amps within the same IC can exhibit slight variations in their characteristics. The addition of more amplifiers onto the same IC can lead to subtle alterations in performance. Two commonly used op-amp ICs, the LM324 and LM358, have been the go-to choice for engineers and hobbyists alike. However, understanding their differences and applications can be crucial for successful circuit design. In this article, we will compare the LM324 and LM358 op-amps, exploring their features, differences, and common applications.


Overview of LM324 and LM358 Op-amp ICs


LM324 Description


The LM324 is a quad op-amp integrated circuit featuring four individual op-amps, all operating from a shared power supply. The allowable range for the differential input voltage is equivalent to the power supply voltage. It boasts an impressively low default input offset voltage, typically around 2mV in magnitude. Operating temperatures span from 0˚C to 70˚C under ambient conditions, and the maximum junction temperature can reach as high as 150˚C. Typically, op-amps are capable of executing various mathematical operations.


LM358 Description


The LM358 is essentially half of an LM324, and it offers various advantages over typical operational amplifiers, particularly in single supply scenarios. It functions effectively within a wide voltage range, spanning from 3.0 V to 32 V, with quiescent currents that are only about one-fifth of those found in the MC1741 (per amplifier). Moreover, its common-mode input range extends to the negative supply, eliminating the need for external biasing components in numerous applications. Additionally, the output voltage range covers the negative power supply voltage.


Specifications Comparison


SpecificationLM324LM358
Supply voltage32V32V
Power dissipation1130mW (DIP)830mW (DIP)
Input offset voltage5mV5mV
Input offset voltage drift30µV/C (max.)20µV/C (max.)


Features Comparison


LM324 Features


  • Internally Frequency Compensated for Unity Gain

  • High DC Voltage Gain of 100 dB

  • Wide Bandwidth at Unity Gain (1 MHz) with Temperature Compensation

  • Versatile Power Supply Range:

       -Single Supply: 3 V to 32 V

       -Dual Supplies: ±1.5 V to ±16 V

  • Exceptionally Low Supply Current Drain (700 μA) - Virtually Independent of Supply Voltage

  • Low Input Biasing Current: 45 nA (Temperature Compensated)

  • Low Input Offset Voltage: 2 mV

  • Low Offset Current: 5 nA

  • Input Common-Mode Voltage Range Includes Ground

  • Differential Input Voltage Range Equals the Power Supply Voltage

  • Large Output Voltage Swing: From 0 V to V +− 1.5 V


LM358 Features


  • Outputs Protected Against Short Circuits

  • Incorporates a True Differential Input Stage

  • Operates on a Single Supply: 3.0 V to 32 V

  • Exhibits Low Input Bias Currents

  • Internal Compensation for Enhanced Performance

  • Common Mode Range Extends to Negative Supply

  • Compatible with Both Single and Split Supply Operation

  • Equipped with ESD Clamps on Inputs for Enhanced Device Durability without Impacting Performance

  • The "NCV" Prefix Indicates Suitability for Automotive and Other Applications with Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable

  • These devices are Environmentally Friendly: Pb-Free, Halogen-Free/BFR-Free, and RoHS Compliant


Inside Circuitry Comparison

Inside Circuitry of LM358 and LM324.png


Analyzing the internal circuit diagram reveals that both components share an identical schematic for all amplifiers. Therefore, the potential for discrepancies lies in minor variations during semiconductor fabrication and packaging.


Absolute Maximum Ratings Comparison


LM324 Absolute Maximum Ratings


LM324 Absolute Maximum Ratings.png


LM358 Absolute Maximum Ratings


LM358 Absolute Maximum Ratings.png


Electrical Characteristics Comparison


LM324 Electrical Characteristics

LM324 Electrical Characteristics.png


LM358 Electrical Characteristics

LM358 Electrical Characteristics.png


Applications Comparison


LM324 Applications


  • Transducer Amplifiers

  • Filter Circuits

  • Voltage Followers

  • Integrators

  • Differentiators

  • Summer Circuits

  • Adder Circuits

  • DC Gain Blocks

  • Comparators for Loop Control and Regulation


LM358 Applications


  • Transducer Amplifiers

  • Traditional Operational Amplifier Circuits

  • Integrators, Differentiators, Summing Amplifiers, Voltage Followers, etc.

  • DC Gain Blocks, Digital Multimeters, Oscilloscopes

  • Comparators for Loop Control and Regulation

  • Active Filters

  • General Signal Conditioning and Amplification

  • 4- to 20-mA Current Loop Transmitters


Datasheet PDF


LM324 Datasheet PDF


LM358 Datasheet PDF


Conclusion


Both the LM324 and LM358 operational amplifiers have their own unique features and are well-suited for various electronic applications. The choice between them depends on the specific requirements of your circuit. Understanding their differences is essential for successful circuit design.


Read More


Previous: Understanding the 74HC00: Comprehensive Guide to Usage

Next: The Ultimate Guide to Pull-up and Pull-down Resistor

FAQ

  • What are the major differences between LM358 and LM324?
  • The LM358 is two op-amps in a DIP-8 package, and the LM324 is four op-amps in a DIP-14 package. In addition, LM358 is 830mW power dissipation, and LM324 is 1130mW power dissipation.

  • What are the limitations of LM324?
  • The LM324's upper limit is approximately 1.5 volts below its positive supply rail. This means it can invert a positive signal within the range of +1.5 V to [the negative supply voltage used].

  • Is LM324 a single supply?
  • The LM324 has a wide power supply range and can operate in single supply configurations ranging from 3 V to 32 V. It can also work with dual supplies in the range of ±1.5 V to ±16 V.

  • What is the difference between LM358 and LM321?
  • The LM321 is the single-channel version, and it comes in 5-pin SOT23 packages. On the other hand, the LM358 is the dual-channel version and is available in 8-pin SOP and MSOP packages.

  • What is a good alternative to LM358?
  • The LM2904 (dual channel), LM2902 (quad channel), LM158/LM258, and LM741.

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