LM239J
- Mfr.Part #
- LM239J
- Manufacturer
- National Semiconductor
- Package / Case
- 14-CDIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- LM239-N LOW POWER LOW OFFSET VOL
- Stock
- 8,080
- In Stock :
- 8,080
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- Manufacturer :
- National Semiconductor
- Product Category :
- Comparators
- Number of Pins :
- 14
- Power Supplies :
- 5V
- Mounting Type :
- Through Hole
- Length :
- 19.56mm
- Terminal Position :
- Dual
- Number of Elements :
- 4
- Max Input Current :
- 250nA
- Height :
- 5.08mm
- Number of Functions :
- 4
- Number of Terminations :
- 14
- Output Type :
- CMOS, DTL, ECL, MOS, Open-Collector, TTL
- Type :
- GENERAL PURPOSE
- Response Time :
- 1.3 μs
- Supply Voltage :
- 5V
- Mount :
- Through Hole
- Output Current :
- 16mA
- Quiescent Current :
- 2.5mA
- Power Dissipation :
- 1.19W
- Width :
- 6.67mm
- Input Offset Voltage (Vos) :
- 5mV
- Voltage Gain :
- 106.02dB
- Max Supply Current :
- 2mA
- Average Bias Current-Max (IIB) :
- 0.25μA
- Current - Output (Typ) :
- 16mA @ 5V
- Pin Count :
- 14
- Voltage - Input Offset (Max) :
- 5mV @ 30V
- Lead Free :
- Contains Lead
- Base Part Number :
- LM239
- Input Bias Current :
- 250nA
- Nominal Supply Current :
- 2mA
- Operating Temperature :
- -25°C~85°C
- Radiation Hardening :
- No
- Package / Case :
- 14-CDIP (0.300, 7.62mm)
- Packaging :
- Tube
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Current - Input Bias (Max) :
- 0.25μA @ 5V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Thickness :
- 4.57mm
- REACH SVHC :
- No SVHC
- Termination :
- Through Hole
- ECCN Code :
- EAR99
- RoHS Status :
- Non-RoHS Compliant
- JESD-609 Code :
- e0
- Max Power Dissipation :
- 1.19W
- Voltage - Supply, Single/Dual (±) :
- 2V~36V ±1V~18V
- Factory Lead Time :
- 6 Weeks
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Datasheets
- LM239J

Comparators National Semiconductor LM239J Overview
The LM239J, manufactured by National Semiconductor, is a quintessential component in the Comparators category, designed to cater to rigorous industrial demands. This low power, low offset voltage comparator is engineered to provide reliable performance in a variety of circuit applications. Known for its versatility and efficiency, the LM239J ensures minimal power consumption while maintaining high accuracy. Its robust design is particularly suited for environments requiring precise voltage comparisons, making it an indispensable tool for quality-sensitive applications.
LM239J Features
The LM239J comparator offers several key features that make it highly beneficial for critical electronic applications. It operates with a low power requirement, which is crucial for energy-sensitive projects. Furthermore, its low offset voltage facilitates enhanced accuracy in voltage comparison, an essential attribute for monitoring and control systems. The device's wide voltage range and compatibility with other standard industry components make it versatile and easy to integrate into existing systems.
LM239J Applications
- Control Systems: In control systems, the LM239J is used to compare different signal voltages, enabling precise control mechanism adjustments.
- Sensing Applications: Utilized in sensor devices to enhance accuracy by comparing the output voltages of sensors, ensuring reliable readings.
- Power Management: Plays a critical role in power supply systems, where it ensures voltage levels are within specified thresholds for safety and efficiency.
- Automotive Electronics: Used in automotive systems to compare various voltages, contributing to safer and more efficient vehicle operations.
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