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LM393 Datasheet, PDF

Search Partnumber : Included a word "LM393" - Total : 15 ( 1/1 Page)

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	LM393AD/LM393ADT	264Kb/15P	Low Power Dual Voltage Comparators
STMicroelectronics	LM393D/LM393DT	264Kb/15P	Low Power Dual Voltage Comparators
Texas Instruments	PLM393BIDDFR	2Mb/49P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	PLM393BIDDFR	2Mb/50P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	PLM393BIDGKR	2Mb/49P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	PLM393BIDGKR	2Mb/50P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	PLM393BIDGKR	3Mb/55P	[Old version datasheet] LM393B, LM2903B, LM193, LM293, LM393 and LM2903 Dual Comparators
	PLM393BIDR	1Mb/40P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	PLM393BIPWR	1Mb/46P	[Old version datasheet] LM193, LM293, LM393, LM2903, LM393B and LM2903B Dual Comparators
	PLM393LVDR	854Kb/29P	[Old version datasheet] LM393LV-Q1 Dual and LM339LV-Q1 Quad Low Voltage Automotive Comparators
	PLM393LVQPWRQ1	2Mb/44P	[Old version datasheet] LM393LV-Q1 Dual and LM339LV-Q1 Quad Low Voltage, RRI Automotive Comparators REVISED JULY 2021
	PLM393LVQPWRQ1	2Mb/46P	[Old version datasheet] LM393LV-Q1 Dual and LM339LV-Q1 Quad Low Voltage, RRI Automotive Comparators JANUARY 2022
	PLM393LVQPWRQ1	2Mb/49P	[Old version datasheet] LM393LV-Q1 Dual and LM339LV-Q1 Quad Low Voltage, RRI Automotive Comparators JANUARY 2022
SeCoS Halbleitertechnol...	SPWLM393D	761Kb/4P	Dual Differential Comparator
SeCoS Halbleitertechnol...	SPWLM393S	763Kb/4P	Dual Differential Comparator

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Brief Description of LM393

The LM393 is a widely used dual voltage comparator IC (integrated circuit). Voltage comparators are electronic devices that compare two input voltage signals and provide a high or low output based on the comparison. The LM393, in particular, contains two separate voltage comparators in a single package.

Here are some key characteristics and specifications of the LM393 voltage comparator:

Type: LM393 is a dual voltage comparator IC.

Package: It typically comes in an 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Supply Voltage: The LM393 can operate with a wide range of supply voltages, often from a minimum of around 2 volts up to 36 volts, making it suitable for a variety of applications.

High and Low Inputs: Each comparator in the LM393 has two input pins: one for the non-inverting input (+) and one for the inverting input (-). These inputs are used to compare two voltage signals.

Output: The LM393 has open-drain outputs, which means they can sink current when the output is low but do not actively drive the output high. This is useful in applications where you need to interface with different logic levels.

Hysteresis: Some versions of the LM393 include hysteresis, which is a built-in feature that prevents rapid switching near the voltage threshold, reducing noise and ensuring stable operation.

Applications: The LM393 is commonly used in applications like window comparators, signal conditioning, voltage monitoring, oscillators, and more. It's a versatile component for comparing and controlling voltage levels.

Pinout: The 8-pin DIP or SOIC package of the LM393 has two comparators, and each comparator has two inputs, a non-inverting input (pin 3 and 5) and an inverting input (pin 2 and 6). The outputs for the two comparators are on pins 1 and 7.

Equivalent for LM393

The LM393 is a dual voltage comparator integrated circuit (IC) commonly used in various analog and digital applications. If you're looking for a replacement for the LM393 IC, you can consider several alternatives with similar functionality:

LM339: The LM339 is a quad voltage comparator IC, offering four independent comparators in one package. It's a popular choice as a replacement for the LM393 when you need more comparator channels.

LM2903: The LM2903 is another dual voltage comparator IC with characteristics similar to the LM393. It can be used as a drop-in replacement in most applications.

LM311: The LM311 is a single voltage comparator with additional features, including an open-collector output. If you only need a single comparator, the LM311 can work as a replacement.

TL331: The TL331 is a single voltage comparator with a push-pull output. It's a suitable replacement for the LM393 in applications that require this type of output.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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