| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM339J | Texas Instruments | $8.3707 | Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM239J vs LM339J |
| LP339N | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 8000ns Response Time, BIPolar, PDIP14 | LM239J vs LP339N |
| LM239N | National Semiconductor Corporation | Check for Price | Comparator | LM239J vs LM239N |
| PJ339CD | Promax-Johnton Electronic Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239J vs PJ339CD |
| LP339N/PB | Texas Instruments | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 8000ns Response Time, BIPolar, PDIP14 | LM239J vs LP339N/PB |
| LP339N/NOPB | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 8000ns Response Time, BIPolar, PDIP14 | LM239J vs LP339N/NOPB |
Part Details for LM239J by Texas Instruments
Results Overview of LM239J by Texas Instruments
- Distributor Offerings: (10 listings)
- Number of FFF Equivalents: (6 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM239J Information
LM239J by Texas Instruments is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Price & Stock for LM239J
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
LM239J-ND
|
DigiKey | IC COMPARATOR 4CH 14-CDIP Min Qty: 1 Container: Tube |
105 Tube |
|
$14.6215 / $22.3700 | Buy Now |
|
DISTI #
89526967
|
Verical | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
|
DISTI #
926-LM239J
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Mouser Electronics | Analog Comparators Low Power Low Offset Voltage Quad Compar RoHS: Not Compliant | 128 |
|
$14.3100 / $21.0300 | Buy Now |
|
DISTI #
V99:2348_07265145
|
Arrow Electronics | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube COO: Thailand RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 26 Weeks Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
|
|
Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,CERAMIC | 346 |
|
$11.3054 / $16.9580 | Buy Now |
|
DISTI #
V99:2348_07265145
|
Arrow Electronics | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube COO: Thailand RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 26 Weeks Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
|
DISTI #
89526967
|
Verical | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube COO: Thailand RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
|
DISTI #
89526967
|
Verical | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube COO: Thailand RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
|
DISTI #
LM239J
|
TME | IC: comparator, universal, Cmp: 4, 300ns, THT, CDIP14, 150nA Min Qty: 25 | 0 |
|
$18.7000 | RFQ |
|
DISTI #
V99:2348_07265145
|
Arrow Electronics | Comparator Quad R-R O/P ±18V/36V 14-Pin CDIP Tube COO: Thailand RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Lead time: 26 Weeks Date Code: 2345 | Americas - 15 |
|
$12.4200 | Buy Now |
US Tariff Estimator: LM239J by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LM239J CAD Models
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LM239J Part Data Attributes
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LM239J
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM239J
Texas Instruments
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Pin Count | 14 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Date Of Intro | 1986-08-08 | |
| Amplifier Type | Comparator | |
| Average Bias Current-Max (IIB) | 0.4 µA | |
| Bias Current-Max (IIB) @25C | 0.25 µA | |
| Input Offset Voltage-Max | 5000 µV | |
| JESD-30 Code | R-GDIP-T14 | |
| JESD-609 Code | e0 | |
| Length | 19.56 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -25 °C | |
| Output Type | Open-Collector; Open-Drain | |
| Package Body Material | Ceramic, Glass-Sealed | |
| Package Code | DIP | |
| Package Equivalence Code | DIP14,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Packing Method | Rail | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Seated Height-Max | 5.08 Mm | |
| Supply Current-Max | 2 Ma | |
| Supply Voltage Limit-Max | 36 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | No | |
| Technology | Bipolar | |
| Temperature Grade | Other | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for LM239J
This table gives cross-reference parts and alternative options found for LM239J. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM239J, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
LM239J Frequently Asked Questions (FAQ)
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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.
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To prevent oscillation, ensure that the input signals are clean and free of noise. You can also add hysteresis to the comparator by adding a small amount of positive feedback from the output to the non-inverting input.
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The minimum voltage difference required between the input pins to guarantee a valid output is typically around 1-2 mV. However, this value can vary depending on the specific application and noise conditions.
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No, the LM239J 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 small signals.
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The pull-up resistor value depends on the load current required and the output voltage. A good starting point is to choose a value between 1 kΩ and 10 kΩ. You can then adjust the value based on the specific requirements of your application.