LM193 Dual Voltage Comparator: Pinout, Equivalent and Datasheet

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Published: 06 November 2021 | Last Updated: 06 November 2021

2030

LM193N

LM193N

STMicroelectronics

Through Hole Tube 18mA mA 1.3 μs μs Linear Comparators 106.02dB dB 250nA pA 1mA μA 5mV mV Through Hole

Purchase Guide

Through Hole Tube 18mA mA 1.3 μs μs Linear Comparators 106.02dB dB 250nA pA 1mA μA 5mV mV Through Hole

LM193 is a dual comparator with low power consumption and low offset voltage. The LM193 device consists of two independent low voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

LM193 Pinout

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Pinout

LM193 CAD Model

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Symbol


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Footprint


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3D Model

LM193 Overview

The LM193 device consists of two independent low voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible. The comparator also has a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage.

This article provides you with a basic overview of the LM193 Low Power Dual Voltage Comparator, including its pin descriptions, features and specifications, etc., to help you quickly understand what LM193 is.

LM193 Features

● Wide single supply voltage range or dual supplies : +2V to +36V or ±1V to ±18V

● Very low supply current (0.4mA)

   independent of supply voltage (1mW/comparator at +5V)

● Low input bias current: 25nA typ.

● Low input offset current: ±5nA typ.

● Low input offset voltage: ±1mV typ.

● Input common-mode voltage range includes ground

● Low output saturation voltage: 250mV typ. (Io = 4mA)

● Differential input voltage range equal to the supply voltage

● TTL, DTL, ECL, MOS, CMOS compatible outputs

Specifications

STMicroelectronics LM193N technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics LM193N.
  • Type
    Parameter
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Through Hole
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Through Hole
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    8-DIP (0.300, 7.62mm)
  • Number of Pins
    8
  • Number of Elements
    2
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -55°C~125°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e3
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Obsolete
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Type
    General Purpose
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Matte Tin (Sn)
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Number of Functions
    2
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    5V
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    LM193
  • Pin Count

    a count of all of the component leads (or pins)

    8
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    CMOS, DTL, ECL, MOS, Open-Collector, TTL
  • Power Supplies

    an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?

    5V
  • Nominal Supply Current

    Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

    1mA
  • Power Dissipation

    the process by which an electronic or electrical device produces heat (energy loss or waste) as an undesirable derivative of its primary action.

    1.25W
  • Output Current

    The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

    18mA
  • Quiescent Current

    The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

    2.5mA
  • Response Time

    the time taken for a circuit or measuring device, when subjected to a change in input signal, to change its state by a specified fraction of its total response to that change.

    1.3 μs
  • Voltage - Supply, Single/Dual (±)

    The parameter "Voltage - Supply, Single/Dual (±)" in electronic components refers to the power supply voltage required for the proper operation of the component. This parameter indicates whether the component requires a single power supply voltage (e.g., 5V) or a dual power supply voltage (e.g., ±15V). For components that require a single power supply voltage, only one voltage level is needed for operation. On the other hand, components that require a dual power supply voltage need both positive and negative voltage levels to function correctly.Understanding the voltage supply requirements of electronic components is crucial for designing and integrating them into circuits to ensure proper functionality and prevent damage due to incorrect voltage levels.

    2V~36V ±1V~18V
  • Input Offset Voltage (Vos)

    Input Offset Voltage (Vos) is a key parameter in electronic components, particularly in operational amplifiers. It refers to the voltage difference that must be applied between the two input terminals of the amplifier to nullify the output voltage when the input terminals are shorted together. In simpler terms, it represents the voltage required to bring the output of the amplifier to zero when there is no input signal present. Vos is an important parameter as it can introduce errors in the output signal of the amplifier, especially in precision applications where accuracy is crucial. Minimizing Vos is essential to ensure the amplifier operates with high precision and accuracy.

    5mV
  • Voltage Gain

    Voltage gain is a measure of how much an electronic component or circuit amplifies an input voltage signal to produce an output voltage signal. It is typically expressed as a ratio or in decibels (dB). A higher voltage gain indicates a greater amplification of the input signal. Voltage gain is an important parameter in amplifiers, where it determines the level of amplification provided by the circuit. It is calculated by dividing the output voltage by the input voltage and is a key factor in determining the overall performance and functionality of electronic devices.

    106.02dB
  • Average Bias Current-Max (IIB)

    The parameter "Average Bias Current-Max (IIB)" in electronic components refers to the maximum average bias current that the component can handle without exceeding its specified operating limits. Bias current is the current that flows through a component when it is in its quiescent state or when it is not actively processing a signal. Exceeding the maximum average bias current can lead to overheating, reduced performance, or even damage to the component. Therefore, it is important to ensure that the bias current does not exceed the specified maximum value to maintain the reliability and longevity of the electronic component.

    0.4μA
  • Supply Voltage Limit-Max

    The parameter "Supply Voltage Limit-Max" in electronic components refers to the maximum voltage that the component can safely handle without getting damaged. This specification is crucial for ensuring the reliable operation and longevity of the component within a given electrical system. Exceeding the maximum supply voltage limit can lead to overheating, electrical breakdown, or permanent damage to the component. It is important to carefully adhere to this limit when designing and operating electronic circuits to prevent potential failures and ensure the overall system's performance and safety.

    36V
  • Input Bias Current

    Input Bias Current refers to the small amount of current that flows into the input terminals of an electronic component, such as an operational amplifier. It is primarily caused by the input impedance of the device and the characteristics of the transistors within it. This current is crucial in determining the accuracy of the analog signal processing, as it can affect the level of voltage offset and signal integrity in the application. In many precise applications, minimizing input bias current is essential to achieve optimal performance.

    250nA
  • Voltage - Input Offset (Max)

    Voltage - Input Offset (Max) is a parameter that refers to the maximum allowable difference in input voltage between two input terminals of an electronic component, such as an operational amplifier, before the output voltage deviates from the expected value. This parameter is crucial in precision applications where accurate voltage amplification or signal processing is required. A higher value for the input offset voltage indicates a greater potential for error in the output signal, so minimizing this parameter is important for maintaining the accuracy and reliability of the component's performance. Designers often take this parameter into consideration when selecting components for circuits that require precise voltage control and signal processing.

    5mV @ 30V
  • Current - Input Bias (Max)

    The parameter "Current - Input Bias (Max)" in electronic components refers to the maximum amount of input bias current that can flow into the input terminal of the component without causing any adverse effects on its performance. Input bias current is the small amount of current that flows into the input terminal of an electronic component, such as an operational amplifier, transistor, or integrated circuit, even when no input signal is applied. This parameter is important because excessive input bias current can lead to errors in the output signal and affect the overall performance of the component. Manufacturers specify a maximum value for input bias current to ensure proper operation and reliability of the component in various applications. It is crucial for designers and engineers to consider this parameter when selecting components for their circuits to ensure optimal performance and functionality.

    0.25μA @ 5V
  • Natural Thermal Resistance

    Natural thermal resistance in electronic components refers to the ability of a device to dissipate heat without the assistance of external cooling methods such as fans or liquid cooling. It is a measure of how effectively a component can transfer heat from its junction to its surrounding environment through natural convection and radiation. This parameter is critical for assessing the thermal performance and reliability of electronic devices, as excessive heat can lead to failure or diminished efficiency. Natural thermal resistance is typically expressed in degrees Celsius per watt (°C/W) and is influenced by factors such as the material properties, component design, and ambient conditions.

    85 °C/W
  • Current - Output (Typ)

    The parameter "Current - Output (Typ)" in electronic components refers to the typical output current that the component is designed to deliver under normal operating conditions. It represents the expected or average value of the output current that the component can provide. This parameter is important for determining the capability of the component to supply power to other parts of the circuit or system. It helps in ensuring that the component can meet the current requirements of the application without exceeding its specified limits. Manufacturers provide this parameter in datasheets to help designers select the appropriate component for their specific needs.

    18mA @ 5V
  • Height Seated (Max)

    Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.

    5.33mm
  • Radiation Hardening

    Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

    No
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
  • Lead Free

    Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.

    Lead Free
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LM193 Functional Block Diagram

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Schematic Diagram

LM193 Equivalent

  Model number                     Manufacturer                                          Description
LM293PTexas InstrumentsDual differential comparator, industrial grade 8-PDIP -25 to 85
LM393PE3Texas InstrumentsDual differential comparator, commercial grade 8-PDIP 0 to 70
LM393PBay Linear IncComparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8
LM193JNational Semiconductor CorporationIC COMPARATOR, Comparator
LM293NPhilips SemiconductorsComparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8
LM293PE4Texas InstrumentsDual differential comparator, industrial grade 8-PDIP -25 to 85
LM393PE4Texas InstrumentsDual differential comparator, commercial grade 8-PDIP 0 to 70


Parts with Similar Specs

LM193 Application

● Basic comparator

● Driving TTL

● Low frequency op-amp

● Driving CMOS

● Transducer amplifier

● Low frequency op-amp with offset adjust

● Zero crossing detector (single power supply)

● Two-decade high-frequency VCO

● Limit comparator

● Crystal controlled oscillator

● Split-supply applications - zero crossing detector

● Comparator with a negative reference

LM193 Package

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Package

Mechanical Data.png

Mechanical Data

LM193 Manufacturer

STMicroelectronics is a globally recognized semiconductor company. They are dedicated to developing semiconductor solutions for various microelectronics applications. STMicroelectronics enjoys unrivaled silicon and system expertise, strong manufacturing strength, IP portfolio,and solid relationships with their strategic partners. Based on these advantages, STMicroelectronics has become a pioneer in System-on-Chip (SoC) technology and its products has a positive effect in realizing today's convergence trends.

Datasheet PDF

Download datasheets and manufacturer documentation for STMicroelectronics LM193N.
Frequently Asked Questions

What is LM193 used for?

LM193 is a dual comparator with low power consumption and low offset voltage.

Can LM193 and LM393 be common?

LM193 and LM393 are a series of chips. LM193 is military grade, but LM393 is commercial grade. LM193 can be used to replace LM393. LM393 replacement LM193 depends on the occasion.

What is the difference between LM193 and LM2903?

LM193 and LM2903 are both low power consumption and low offset voltage dual comparators, with the same pin arrangement and the same function. LM193 is a military product, and its operating temperature range is -55 degrees to +125 degrees. The operating temperature range of LM2903 is -40 degrees to +85 degrees. Another difference is that the typical value of the input offset voltage LM193 is plus or minus 1.0mV, and the typical value of LM2903 is plus or minus 2.0mV. The typical value of the input offset current LM193 is plus or minus 3.0nA, and the typical value of LM2903 is plus or minus 5.0nA. The others are basically the same.
LM193N

STMicroelectronics

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