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LM239 The Texas Instruments LM239J is a quad differential comparator designed for general-purpose applications. It operates with a wide supply voltage range and features an open-collector output.
Mfr Part #:

LM239

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM239J is a quad differential comparator designed for general-purpose applications. It operates with a wide supply voltage range and features an open-collector output.
✓ Total Stock: 60,787 pcs
$ Price Range: $0.50

LM239 Available from 3 distributors

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Romaks Technologies ✓
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60,267 pcs
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60267 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
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500 pcs
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500 pcs On Request 50 On Request On Request On Request On Request On Request
ACK ELEKTRONIK ✓
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20 pcs
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20 pcs On Request 1 On Request On Request On Request On Request On Request
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LM239 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current - Quiescent (Max)
Mounting Type
Number of Elements
Operating Temperature
Output Type
Propagation Delay (Max)
Supplier Device Package
Type
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LM239 Description

Short technical summary and product information.

The Texas Instruments LM239J is a general-purpose quad differential comparator. It is designed to operate from a single power supply over a wide voltage range, from 2V to 36V, or from split supplies of ±1V to ±18V. The device features four independent comparators, each with an open-collector output.

 

Key electrical characteristics include a maximum input offset voltage of 5mV and a maximum input bias current of 0.25µA. The typical output current is 16mA, and the quiescent current is a maximum of 2.5mA. The operating temperature range for this component is -25°C to 85°C.

 

The LM239J is available in a 14-CDIP package and is designed for through-hole mounting. Its open-collector output is compatible with TTL, DTL, MOS, and CMOS logic systems. The part number LM239J is the manufacturer's product number, and it belongs to the LMx39-N series.

 

This comparator is suitable for various applications requiring precise voltage comparison. Its wide supply voltage capability and low power consumption make it a versatile choice for many electronic designs.

LM239 Quick Information

Product Type: Comparator
Series: -
Canonical Name: LM239J Quad Differential Comparator
Subcategory: Logic

LM239 Compliance

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

LM239 Estimated Pricing

Qty Low High
1+ $0.50 $0.50

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

LM239 Features

  • Quad general-purpose comparator.
  • Open-collector output type.
  • Wide supply voltage range.
  • Operates from -25°C to 85°C.
  • Through-hole mounting package.

LM239 Applications

  • Used in threshold detection circuits
  • Suitable for zero crossing detection
  • Ideal for level shifting applications
  • Applicable in industrial control systems

LM239 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the LM239J?

The LM239J operates with a supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply.

What is the operating temperature range of the LM239J?

The LM239J has an operating temperature range of -25°C to 85°C.

What type of output does the LM239J have?

The LM239J features an open-collector output type.

How many comparators are in the LM239J?

The LM239J contains 4 independent comparator elements.

What is the maximum input offset voltage for the LM239J?

The maximum input offset voltage for the LM239J is 5mV.

What is the package type for the LM239J?

The LM239J is available in a 14-CDIP package.

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