- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LM339J
- Part Number LM339J
- Manufacturer Texas Instruments
- Pin Count 14
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - J0014A
- Released Date Dec 17, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
LM339J Details
-
Manufacturer Part Number:
LM339J
-
Brand Name:
Texas Instruments
-
Pbfree Code:
Yes
-
Part Life Cycle Code:
Active
-
Part Package Code:
DIP
-
Pin Count:
14
-
ECCN Code:
EAR99
-
HTS Code:
8542.39.00.90
-
Manufacturer:
Texas Instruments
-
YTEOL:
15
-
Amplifier Type:
COMPARATOR
LM339J Frequently Asked Questions (FAQs)
-
The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
-
To prevent oscillation, ensure that the input signals are properly filtered and decoupled, and that the output is properly loaded. Additionally, adding a small capacitor (e.g. 10nF) between the output and ground can help to reduce oscillations.
-
The minimum input voltage required for the comparator to function correctly is typically around 1.5V to 2V above the negative supply voltage (VSS). Below this voltage, the comparator may not function correctly.
-
No, the LM339J is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not suitable for amplifying signals.
-
The LM339J has an open-drain output, which means it can only sink current. To get a push-pull output, you can add an external pull-up resistor to the output pin, or use an external transistor or buffer to provide a push-pull output.
Trust Checks
Community Provided
System Verified
Community Approved
LM339J Overview
Use the download button to access the LM339J schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM339,
or try a keyword search, such as Comparators
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.