| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM239N | onsemi | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs LM239N |
| LM339J | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM239N vs LM339J |
| LM339J | Rochester Electronics LLC | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM239N vs LM339J |
| CA0339E | Rochester Electronics LLC | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs CA0339E |
| LP339NE4 | Texas Instruments | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs LP339NE4 |
| LM239N | Fairchild Semiconductor Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs LM239N |
| LP2901J | Texas Instruments | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM239N vs LP2901J |
| PM239P | Precision Monolithics Inc | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs PM239P |
| LM239J | STMicroelectronics | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM239N vs LM239J |
| LM239N | NXP Semiconductors | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 | LM239N vs LM239N |
Part Details for LM239N by Texas Instruments
Results Overview of LM239N by Texas Instruments
- Distributor Offerings: (15 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 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.
LM239N Information
LM239N 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 LM239N
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-6621-5-ND
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DigiKey | IC COMPARATOR 4CH 14-PDIP Min Qty: 1 Container: Tube |
1849 Tube |
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$0.2586 / $0.5900 | Buy Now |
|
DISTI #
93861815
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Verical | Comparator Quad R-R O/P ±15V/30V 14-Pin PDIP Tube RoHS: Compliant Min Qty: 11 Package Multiple: 1 Date Code: 2237 | Americas - 657 |
|
$0.2117 / $0.3507 | Buy Now |
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DISTI #
595-LM239N
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Mouser Electronics | Analog Comparators Quad GP Differential RoHS: Compliant | 515 |
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$0.2580 / $0.6000 | Buy Now |
|
DISTI #
P02:6590_15781817
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Arrow Electronics | Comparator Quad R-R O/P ±15V/30V 14-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2237 | Asia - 657 |
|
$0.2117 / $0.4968 | Buy Now |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,PLASTIC | 100 |
|
$0.3690 / $0.8200 | Buy Now |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,PLASTIC | 88 |
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$0.3690 / $0.6150 | Buy Now |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,PLASTIC | 38 |
|
$0.1953 / $0.6510 | Buy Now |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,PLASTIC | 10 |
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$0.2460 | Buy Now |
|
|
Rochester Electronics | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14 RoHS: Compliant Status: Active Min Qty: 1 | 50 |
|
$0.1884 / $0.3039 | Buy Now |
|
DISTI #
P02:6590_15781817
|
Arrow Electronics | Comparator Quad R-R O/P ±15V/30V 14-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2237 | Asia - 657 |
|
$0.2117 / $0.4968 | Buy Now |
US Tariff Estimator: LM239N 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.
LM239N CAD Models
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LM239N Part Data Attributes
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LM239N
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM239N
Texas Instruments
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Pin Count | 14 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| 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-PDIP-T14 | |
| JESD-609 Code | e4 | |
| Length | 19.305 Mm | |
| 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 | Plastic/Epoxy | |
| 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 | Matte Tin (Sn); Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for LM239N
This table gives cross-reference parts and alternative options found for LM239N. 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 LM239N, 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.
LM239N 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 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.
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The minimum input voltage required for the comparator to function correctly is typically around 1.5V to 2V, depending on the specific application and noise conditions.
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Yes, the LM239N can be used as a zero-crossing detector. However, it's essential to ensure that the input signals are properly conditioned and filtered to prevent false triggering.
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The pull-up resistor value depends on the specific application and load requirements. A general rule of thumb is to choose a value between 1kΩ to 10kΩ, but this may need to be adjusted based on the specific requirements of the system.