LM393M/NOPB

Name: LM393M/NOPB
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Analog Comparators LOW PWR LOW OFFSET VLTG DUAL COMPARATOR

7,794 Effective Inventory

LM393M/NOPB

Effective Inventory7,794

Analog Comparators LOW PWR LOW OFFSET VLTG DUAL COMPARATOR

Manufacturer Part # : LM393M/NOPB
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Comparators
Series : LM393

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LM393M/NOPB DataSheet

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LM393M/NOPB Details

The LM393M/NOPB is a dual voltage comparator IC from Texas Instruments, designed for various applications requiring voltage monitoring, level shifting, and signal conditioning. This device features two independent voltage comparators with a wide supply voltage range (2V to 36V), low supply current (0.8mA per comparator), and open-collector outputs.

Key Features

Dual Voltage Comparator: The LM393M/NOPB features two independent voltage comparators for monitoring and controlling voltage levels.
Wide Supply Voltage Range: This device operates with a wide supply voltage range of 2V to 36V, making it suitable for various applications.
Low Supply Current: The LM393M/NOPB has low supply current consumption of 0.8mA per comparator, reducing power consumption and heat generation.
Open-Collector Outputs: The device features open-collector outputs for easy connection to external circuits.

Applications

Voltage Comparator Applications: The LM393M/NOPB is commonly used in voltage comparator applications, such as switching power supplies, motor control, and automotive systems for monitoring and controlling voltage levels.
Industrial Automation: This device is utilized in industrial automation for detecting deviations in analog signals, as well as in consumer electronics for various sensing and control tasks.

Where to Use

The LM393M/NOPB can be used in a wide range of applications requiring voltage monitoring, level shifting, and signal conditioning. This device is suitable for various industries, including automotive, industrial automation, and consumer electronics.

How to Use

The LM393M/NOPB can be used as a dual voltage comparator in various applications. For detailed information on the device's functionality and usage, please refer to the datasheet.

Application Circuit

The application circuit diagram for the LM393M/NOPB illustrates how to connect the device to an external circuit for voltage monitoring and control. It includes connections for power supply, ground, and input/output signals, ensuring proper operation and reliable performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM339: A similar dual voltage comparator IC from Texas Instruments offering comparable features and performance.

Complementary

The LM393M/NOPB can be complemented by other voltage comparator ICs or analog-to-digital converters (ADCs) depending on the specific application requirements. When selecting complementary devices, ensure that their features and specifications align with your application's needs for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the supply voltage range of the LM393M/NOPB?

A: The LM393M/NOPB operates with a wide supply voltage range of 2V to 36V. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LM393M/NOPB be used in automotive applications?

A: Yes, the LM393M/NOPB is suitable for automotive applications due to its wide supply voltage range and reliable performance in demanding environments.

Specifications

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

Number of channels	2	Output type	Open-collector
Propagation delay time (µs)	0.7	Vs (max) (V)	36
Vs (min) (V)	2	Vos (offset voltage at 25°C) (max) (mV)	5
Iq per channel (typ) (mA)	0.2	Input bias current (±) (max) (nA)	250
Rail-to-rail	Out	Rating	Catalog
Operating temperature range (°C)	0 to 70	Features	Small Size, Standard comparator
VICR (max) (V)	34.5	VICR (min) (V)	0

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM393M/NOPB PDF Download

FAQs

What is LM393M/NOPB?

The LM393M/NOPB is a dual voltage comparator IC (integrated circuit) designed by Texas Instruments. It is commonly used in applications such as voltage level detection, waveform shaping, and signal conditioning.

How Does LM393M/NOPB Work?

The LM393M/NOPB operates as a voltage comparator, comparing two voltage inputs and providing a digital output based on their relationship. It has open-collector outputs which can easily interface with digital logic circuits. The comparator has hysteresis capability for noise immunity, making it suitable for various threshold detection tasks.

How Many Pins does LM393M/NOPB have and What are the Functions of the Pinout Configuration?

The LM393M/NOPB is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC+: Positive power supply pin.
IN+: Non-inverting input pin for one comparator.
IN-: Inverting input pin for one comparator.
VCC-: Negative power supply pin.
OUT: Output pin for both comparators.
GND: Ground pin.

What are the Pros and Cons of LM393M/NOPB?

Pros:

Low Power Consumption: Operates with low power requirements.
Wide Supply Voltage Range: Can work with a wide range of supply voltages.
Open-Collector Outputs: Facilitates easy interfacing with digital circuits.
Hysteresis Capability: Provides noise immunity for reliable operation.
Cost-Effective: Offers a cost-effective solution for voltage comparison applications.

Cons:

Limited Speed: May not be suitable for high-speed comparator applications.
Accuracy: May have limited accuracy compared to more precision comparators.
Noisy Environment Sensitivity: Hysteresis may be affected in very noisy environments.

Are There Any Equivalents/Alternatives to LM393M/NOPB for Recommendation?

The LM339 from Texas Instruments is a quad voltage comparator with similar functionality.
Alternatives to the LM393M/NOPB include the LM311 from Texas Instruments and the LM324 from Texas Instruments.