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HomeProductsIntegrated Circuits (ICs)Linear - ComparatorsLM239QT
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LM239QT - STMicroelectronics

Manufacturer Part Number
LM239QT
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LM239QT
ECAD Model
Parts Description
IC COMPARATOR 4 DIFF 16QFN
Package
16-VFQFN Exposed Pad
Data sheet
LM139, 239, 339.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 137870

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Specifications

LM239QT Tech Specifications
STMicroelectronics - LM239QT technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LM239QT

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V  
Voltage - Input Offset (Max) 5mV  
Type Differential  
Supplier Device Package 16-QFN (3x3)  
Series -  
Propagation Delay (Max) -  
Package / Case 16-VFQFN Exposed Pad  
Package Tape & Reel (TR)  
Output Type CMOS, DTL, ECL, MOS, Open-Collector, TTL  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 105°C  
Number of Elements 4  
Mounting Type Surface Mount  
Hysteresis -  
Current - Quiescent (Max) 2mA  
Current - Output (Typ) 16mA @ 5V  
Current - Input Bias (Max) 0.25µA @ 5V  
CMRR, PSRR (Typ) -  
Base Product Number LM239  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LM239QT

Manufacturer

stmicroelectronics

Introduction

The LM239QT is a high-performance linear comparator IC from STMicroelectronics. It features a versatile design with four independent comparators, making it suitable for a wide range of applications. The comparators can operate from single or dual power supplies, providing flexibility in circuit design.

Product Features and Performance

4 independent comparators in a single package

Operates from single (2V to 36V) or dual (±1V to ±18V) power supplies

Low input offset voltage of 5mV (max)

Low input bias current of 0.25µA (max) at 5V

High output current capability of 16mA (typ) at 5V

Low quiescent current of 2mA (max)

Wide operating temperature range of -40°C to 105°C

Product Advantages

Versatile design with multiple comparators in a single package

Flexible power supply options (single or dual)

Low input offset and bias current for high-precision applications

High output current capability for driving various loads

Wide operating temperature range for use in diverse environments

Key Reasons to Choose the LM239QT

Compact and space-saving 4-channel comparator solution

Excellent performance characteristics for high-precision analog circuits

Suitable for a wide range of applications, from industrial to consumer electronics

Reliable and robust design from a trusted semiconductor manufacturer

Quality and Safety Features

Manufactured by STMicroelectronics, a leading global semiconductor company

Meets industry-standard quality and safety requirements

Designed and tested for reliable operation in various applications

Compatibility

Suitable for use in a wide range of analog and mixed-signal circuits

Can be easily integrated into various electronic systems and designs

Application Areas

Industrial control and automation

Instrumentation and measurement equipment

Power supply monitoring and regulation

Alarm and threshold detection circuits

Comparator-based analog signal processing

Product Lifecycle

The LM239QT is an active, in-production product from STMicroelectronics. There are no immediate plans for discontinuation, and it remains a widely used linear comparator IC. While equivalent or alternative models may be available from other manufacturers, the LM239QT offers a unique combination of features and performance that makes it a popular choice in its target applications. For the latest information on product availability and potential alternative options, customers are advised to contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LM239QT

Product Attribute LM239QT LM239NG LM239PT LM239N
Part Number LM239QT LM239NG LM239PT LM239N
Manufacturer STMicroelectronics onsemi STMicroelectronics onsemi
Operating Temperature -40°C ~ 105°C -25°C ~ 85°C -40°C ~ 105°C -
Series - - - -
Number of Elements 4 4 4 -
CMRR, PSRR (Typ) - - - -
Package Tape & Reel (TR) Tube Tape & Reel (TR) Tube
Current - Output (Typ) 16mA @ 5V 16mA @ 5V 16mA @ 5V -
Voltage - Input Offset (Max) 5mV 5mV @ 5V 5mV @ 30V -
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V 3V ~ 36V, ±1.5V ~ 18V 2V ~ 32V, ±1V ~ 16V -
Package / Case 16-VFQFN Exposed Pad 14-DIP (0.300', 7.62mm) 14-TSSOP (0.173", 4.40mm Width) -
Propagation Delay (Max) - - - -
Current - Quiescent (Max) 2mA 2.5mA 2mA -
Output Type CMOS, DTL, ECL, MOS, Open-Collector, TTL CMOS, Open-Collector, TTL CMOS, DTL, ECL, MOS, Open-Collector, TTL -
Type Differential General Purpose General Purpose -
Supplier Device Package 16-QFN (3x3) 14-PDIP 14-TSSOP -
Hysteresis - - - -
Current - Input Bias (Max) 0.25µA @ 5V 0.25µA @ 5V 0.25µA @ 5V -
Mounting Type Surface Mount Through Hole Surface Mount -
Base Product Number LM239 LM239 LM239 LM239

LM239QT Datasheet PDF

Download LM239QT pdf datasheets and STMicroelectronics documentation for LM239QT - STMicroelectronics.

PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
LM139, 239, 339.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM239QT

STMicroelectronics
32D-LM239QT

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