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LM339APT The STMicroelectronics LM339APT is a general-purpose comparator IC with four elements. It operates over a wide voltage range and is available in a surface-mount 14-TSSOP package.
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LM339APT

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LM339APT is a general-purpose comparator IC with four elements. It operates over a wide voltage range and is available in a surface-mount 14-TSSOP package.
✓ Total Stock: 30,014 pcs

LM339APT Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
30,000 pcs
On Request
30000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
14 pcs
On Request
14 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
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LM339APT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current - Quiescent (Max)
Industrial Grade
Lead Spacing
Lead Style
Medical Grade
Military Grade
Mounting Type
Number of Elements
Operating Temperature
Output Type
SVHC Present
Supplier Device Package
Tape & Reel
Type
Voltage
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LM339APT Description

Short technical summary and product information.

The STMicroelectronics LM339APT is a versatile general-purpose comparator IC designed for a wide range of applications. It features four independent comparator elements, allowing for flexible circuit design.

 

This comparator operates with a single or dual supply voltage ranging from 2V to 32V, or ±1V to ±16V, making it suitable for various power configurations. Key electrical characteristics include a maximum input offset voltage of 2mV at 30V, a quiescent current of 2.5mA, and an output current of 16mA at 5V. The output type supports CMOS, DTL, ECL, MOS, Open-Collector, and TTL logic levels.

 

Designed for ease of integration, the LM339APT comes in a compact 14-TSSOP surface-mount package. The operating temperature range is from 0°C to 70°C, ensuring reliable performance in typical environmental conditions. Its robust design and multiple output options make it a suitable choice for signal comparison and threshold detection tasks in electronic systems.

LM339APT Quick Information

Product Type: Comparator
Canonical Name: LM339APT General Purpose Comparator
Subcategory: Comparators

LM339APT Compliance

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

LM339APT Features

  • Four independent comparator elements.
  • Wide operating voltage range.
  • Supports multiple output logic types.
  • Surface mount 14-TSSOP package.
  • General purpose comparator functionality.

LM339APT Applications

  • Used for signal level detection.
  • Suitable for threshold sensing circuits.
  • Applicable in voltage monitoring systems.
  • Ideal for waveform shaping tasks.

LM339APT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the LM339APT?

The LM339APT operates with a single supply voltage from 2V to 32V, or a dual supply voltage from ±1V to ±16V.

What is the package type for the LM339APT?

The LM339APT is supplied in a 14-TSSOP package with dimensions of 0.173 inches (4.40mm) width.

What is the operating temperature range of the LM339APT?

The LM339APT can operate within a temperature range of 0°C to 70°C.

What is the RoHS status of the LM339APT?

The LM339APT is RoHS3 Compliant.

How many elements are in the LM339APT comparator?

The LM339APT contains 4 independent comparator elements.

What are the output types supported by the LM339APT?

The LM339APT supports CMOS, DTL, ECL, MOS, Open-Collector, and TTL output types.

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