LM393 The LM393 is a dual differential comparator from Texas Instruments. It operates with a supply voltage range of 2V to 36V and features open-collector outputs.
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LM393

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The LM393 is a dual differential comparator from Texas Instruments. It operates with a supply voltage range of 2V to 36V and features open-collector outputs.
✓ Total Stock: 593 pcs
$ Price Range: $0.99

LM393 Available from 1 distributor

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LM393 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Number of Channels
Operating Temperature Range
Output Type

LM393 Description

Short technical summary and product information.

The LM393 is a versatile dual differential comparator IC manufactured by Texas Instruments. Designed for a wide range of applications, it offers two independent comparator channels within a single package. The device operates with a supply voltage ranging from 2V to 36V, making it suitable for various power configurations.

 

Key electrical characteristics include an open-collector output type, allowing for flexible interfacing with different logic families. It has a typical propagation delay of 1.3 µs and a low quiescent current per channel of 0.225 mA. The offset voltage is a maximum of 5 mV at 25°C, and the input bias current is a maximum of 50 nA. The common-mode input voltage range extends from 0V up to 34.5V.

 

This comparator is available in multiple package types including SOP, VSSOP, SOIC, TSSOP, and PDIP, catering to different PCB layout requirements. The operating temperature range is specified from 0°C to 70°C, suitable for commercial-grade applications. Its design allows for rail-to-rail input and operation with a single supply.

 

The LM393 is commonly used in voltage sensing, threshold detection, and oscillation circuits. Its dual-channel nature and robust specifications make it a popular choice for designers needing reliable comparison functions.

LM393 Quick Information

Product Type: Comparator
Series: LM393
Canonical Name: LM393 Dual differential comparator
Subcategory: Dual differential comparator

LM393 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM393 Estimated Pricing

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1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM393 Features

  • Dual differential comparator IC.
  • Operates from 2V to 36V supply.
  • Open-collector, open-drain outputs.
  • Wide 0°C to 70°C temperature range.
  • Available in multiple package options.

LM393 Applications

  • Voltage threshold detection.
  • Oscillator circuits.
  • Power supply monitoring.
  • Window comparator applications.

LM393 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the LM393?

The supply voltage range is 2V minimum to 36V maximum.

What packages are available for the LM393?

Available packages include SOP, VSSOP, SOIC, TSSOP, and PDIP.

What is the operating temperature range?

The operating temperature range is 0°C to 70°C.

What is the propagation delay of the LM393?

The typical propagation delay is 1.3µs.

What is the output type of the LM393?

The output type is open-collector and open-drain.

What is the quiescent current per channel?

The typical quiescent current per channel is 0.225mA.

What is the input offset voltage?

The maximum input offset voltage at 25°C is 5mV.

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