• LM358MX SOIC-8


Operational Amplifier, Single Supply, Dual


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  • Part Number : LM358MX

  • Package/Case : SOIC-8

  • Brands : TI

  • Components Categories : General-purpose op amps

  • Datesheet : LM358MX DataSheet (PDF)

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Overview of LM358MX

The LM358MX is a dual operational amplifier IC that offers wide functionality in various analog applications. With two independent op-amps in a single package, this IC provides versatile solutions for amplification, filtering, and signal conditioning.


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

  • VCC+: Positive Power Supply for Op-Amp 1
  • IN-: Inverting Input for Op-Amp 1
  • IN+: Non-Inverting Input for Op-Amp 1
  • VCC-: Negative Power Supply for Op-Amp 1
  • OUT: Output of Op-Amp 1
  • VCC+: Positive Power Supply for Op-Amp 2
  • IN-: Inverting Input for Op-Amp 2
  • IN+: Non-Inverting Input for Op-Amp 2
  • VCC-: Negative Power Supply for Op-Amp 2
  • OUT: Output of Op-Amp 2

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM358MX IC for a visual representation.

Key Features

  • Dual Operational Amplifiers: The LM358MX includes two independent op-amps, allowing for different analog processing functions in a single IC.
  • Wide Supply Voltage Range: This IC can operate with a wide supply voltage range, making it suitable for various power supply configurations.
  • Low Input Offset Voltage: The LM358MX features low input offset voltage, ensuring accuracy in amplification and signal processing.
  • High Gain-Bandwidth Product: With a high gain-bandwidth product, this IC can handle high-frequency signals effectively.
  • Low Power Consumption: The LM358MX is designed for low power consumption, making it suitable for energy-efficient applications.

Note: For detailed technical specifications, please refer to the LM358MX datasheet.


  • Signal Processing: Ideal for signal amplification, filtering, and conditioning in analog circuits.
  • Comparator Circuits: Suitable for building comparator circuits for voltage level detection and signal comparison.
  • Active Filters: Used in active filter configurations for frequency response shaping in electronic systems.


The LM358MX is a dual operational amplifier IC that provides amplification and signal processing capabilities. It is widely used in analog circuit design for various applications requiring precision and versatility.

Usage Guide

  • Power Supply: Connect the positive and negative power supplies to the VCC+ and VCC- pins of each op-amp.
  • Input Connections: Apply input signals to the non-inverting (IN+) and inverting (IN-) inputs for each op-amp based on the desired circuit configuration.
  • Output Utilization: Use the output pins of each op-amp (OUT) to obtain the amplified or processed signals for further processing.

Frequently Asked Questions

Q: What is the typical gain of the LM358MX?
A: The LM358MX has a typical open-loop voltage gain of around 100 dB.

Q: Can the LM358MX operate with a single power supply?
A: Yes, the LM358MX can be operated with a single power supply, as it supports single-supply configurations.


For similar functionalities, consider these alternatives to the LM358MX:

  • LM324: A quad operational amplifier IC offering similar functionality with four op-amps in a single package.
  • TL082: This is a dual JFET-input op-amp IC providing high input impedance and low noise characteristics.



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) 1 Slew rate (typ) (V/µs) 0.1
Vos (offset voltage at 25°C) (max) (mV) 7 Iq per channel (typ) (mA) 0.25
Vn at 1 kHz (typ) (nV√Hz) 40 Rating Catalog
Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 7
Input bias current (max) (pA) 150000 CMRR (typ) (dB) 85
Iout (typ) (A) 0.02 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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