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Comparator Quad ±16V/32V 14-Pin SOIC Tube

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LM339D General Description

The LM339D is a quad voltage comparator, which means it contains four independent voltage comparators in a single package. Each comparator is designed to compare two voltage inputs and provide a high or low output based on the comparison result. This comparator is designed for use in level detection, low-level sensing and memory applications in consumer automotive and industrial electronic applications.



Key Features

  • Wide SupplyRanges
    • Single Supply: 2 V to 36 V (Tested to 30 V for Non-V Devices and 32V for V-Suffix Devices)
    • DualSupplies: ±1 V to ±18 V (Tested to ±15 V for Non-V Devices and±16V for V-Suffix Devices)
  • Low Supply-Current Drain Independent of Supply Voltage: 0.8 mA (Typical)
  • Low Input Bias Current: 25 nA (Typical)
  • Low Input Offset Current: 3 nA (Typical) (LM139)
  • Low Input Offset Voltage: 2 mV (Typical)
  • Common-Mode Input Voltage Range Includes Ground
  • Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±36V
  • Low Output Saturation Voltage
  • Output Compatible With TTL, MOS, and CMOS
  • On Products Compliantto MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, ProductionProcessing Does Not Necessarily Include Testing of All Parameters.

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  • Voltage Monitoring: It is used to compare input voltages against reference voltages to monitor and control different states or conditions in electronic systems.
  • Window Comparators: LM339D is used to create window comparator circuits for applications like overvoltage and undervoltage protection.
  • Signal Conditioning: It can be used for signal conditioning, such as shaping input signals and generating digital outputs based on analog inputs.
  • Voltage Level Detection: It is used to detect and switch digital signals based on the level of an analog input signal.
  • PWM (Pulse Width Modulation): It can be used in pulse-width modulation applications, such as controlling the duty cycle of a signal based on a reference voltage.
  • Switching and Timing Circuits: The LM339D is used in various timing and control circuits for generating square wave signals and timing functions.


Category Integrated Circuits (ICs)LinearComparators Mfr Texas Instruments
Series - Package Tube
Product Status Active Type Differential
Number of Elements 4 Output Type CMOS, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±) 2V ~ 30V, ±1V ~ 15V Voltage - Input Offset (Max) 5mV @ 30V
Current - Input Bias (Max) 0.25µA @ 5V Current - Output (Typ) 20mA
Current - Quiescent (Max) 2.5mA CMRR, PSRR (Typ) -
Propagation Delay (Max) - Hysteresis -
Operating Temperature 0°C ~ 70°C Package / Case 14-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount Supplier Device Package 14-SOIC
Base Product Number LM339

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Ratings and Reviews

R**a 04/28/2022

The product corresponds to the description. i recommend.Thank you to the seller.

S**l 04/16/2022

They arrived here, so I can not give you any stars. I will try to reorder

Z**r 01/03/2021

Excellent! Fast delivery, cheap price!

L**n 09/14/2020

Work perfectly! Took for replacement in led lamp. Working lamp restored.



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LM339D Datasheet PDF

Preliminary Specification LM339D PDF Download

LM339D PDF Preview

Availability: 7222 PCS

Qty. Unit Price(USD) Ext. Price
5+ $0.220 $1.10
50+ $0.180 $9.00
150+ $0.162 $24.30
500+ $0.141 $70.50
2500+ $0.132 $330.00
5000+ $0.126 $630.00

The prices below are for reference only.