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HomeProductsIntegrated Circuits (ICs)Linear - ComparatorsLM139ADT
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LM139ADT - STMicroelectronics

Manufacturer Part Number
Allelco Part Number
ECAD Model
Parts Description
Detailed Description
14-SOIC (0.154', 3.90mm Width)
Data sheet
LM139, 239, 339.pdf
RoHs Status
ROHS3 Compliant
In stock: 39201

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LM139ADT Tech Specifications
STMicroelectronics - LM139ADT technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LM139ADT

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Supply, Single/Dual (±) 2V ~ 32V, ±1V ~ 16V  
Voltage - Input Offset (Max) 2mV @ 30V  
Type General Purpose  
Supplier Device Package 14-SO  
Series -  
Propagation Delay (Max) -  
Package / Case 14-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Output Type CMOS, DTL, ECL, MOS, Open-Collector, TTL  
Product Attribute Attribute Value  
Operating Temperature -55°C ~ 125°C  
Number of Elements 4  
Mounting Type Surface Mount  
Hysteresis -  
Current - Quiescent (Max) 2mA  
Current - Output (Typ) 16mA @ 5V  
Current - Input Bias (Max) 0.1µA @ 5V  
CMRR, PSRR (Typ) -  
Base Product Number LM139  

Parts Introduction

Manufacturer Part Number





The LM139ADT is a quad differential comparator designed for applications requiring a comparison of signals, capable of operating with single or dual power supplies.

Product Features and Performance

Four independent comparator units

Low input offset voltage

Low input bias current

High output current capability

Wide supply voltage range

CMRR and PSRR unspecified, typical values can be referred from datasheet

Operation across a wide temperature range

Product Advantages

Suitable for battery-powered devices due to low power consumption

Flexible use with both single-ended and dual power supply options

Designed for industrial, automotive, and consumer applications

Can be used in harsh temperature environments

Key Technical Parameters

Number of Elements: 4

Voltage - Supply, Single/Dual (±): 2V ~ 32V, ±1V ~ 16V

Voltage - Input Offset (Max): 2mV @ 30V

Current - Input Bias (Max): 0.1µA @ 5V

Current - Output (Typ): 16mA @ 5V

Current - Quiescent (Max): 2mA

Operating Temperature: -55°C ~ 125°C

Quality and Safety Features

Built to withstand wide temperature variations

Designed to meet industrial quality and safety standards


Compatible with 14-SOIC surface mount

Application Areas

Industrial monitoring systems

Automotive sensor systems

Voltage level detection

Window comparators

Oscillator circuits

Product Lifecycle

Status: Active

Product is currently in active production, with no indication of discontinuation

Replacements or upgrades may be offered by STMicroelectronics

Several Key Reasons to Choose This Product

Robust temperature range supports extreme environmental use

Low input bias and offset voltages lead to accurate signal comparison

Flexible for various power supply configurations

High output current capability suitable for driving external components

Industry-leading manufacturer with a reputation for reliability

Ideal for circuit integration with surface mount technology (SMT) compatibility

Convenient packaging for automated production processes (Tape & Reel)

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LM139ADT

Product Attribute LM139ADT LM139ADRG4 LM139ADR LM139AE/883
Part Number LM139ADT LM139ADRG4 LM139ADR LM139AE/883
Manufacturer STMicroelectronics Texas Instruments Texas Instruments Texas Instruments
Supplier Device Package 14-SO 14-SOIC 14-SOIC 20-LCCC (8.89x8.89)
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Current - Quiescent (Max) 2mA 2mA 2mA 2mA
Voltage - Input Offset (Max) 2mV @ 30V 2mV @ 30V 2mV @ 30V 2mV @ 30V
Voltage - Supply, Single/Dual (±) 2V ~ 32V, ±1V ~ 16V 2V ~ 30V, ±1V ~ 15V 2V ~ 30V, ±1V ~ 15V 5V ~ 30V, ±2.5V ~ 15V
Output Type CMOS, DTL, ECL, MOS, Open-Collector, TTL CMOS, MOS, Open-Collector, TTL CMOS, MOS, Open-Collector, TTL Open-Collector, CMOS, DTL, ECL, MOS, TTL
Package / Case 14-SOIC (0.154', 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154', 3.90mm Width) 20-CLCC
Base Product Number LM139 LM139 LM139 -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Input Bias (Max) 0.1µA @ 5V 0.1µA @ 5V 0.1µA @ 5V 1000pA @ 5V
Current - Output (Typ) 16mA @ 5V 20mA 20mA 20mA
Number of Elements 4 4 4 4
Series - - - -
Type General Purpose Differential Differential Differential
Propagation Delay (Max) - - - 1.3µs (Typ)
Hysteresis - - - 10mV
CMRR, PSRR (Typ) - - - 70dB CMRR, 60dB PSRR
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Bulk

LM139ADT Datasheet PDF

Download LM139ADT pdf datasheets and STMicroelectronics documentation for LM139ADT - STMicroelectronics.

HTML Datasheet
LM139, 239, 339.pdf


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
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.

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Contact us if you have any questions.

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    +00852 9146 4856

Certifications & Memberships

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