| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM139DB | AMD | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs LM139DB |
| LM139J/PB | Texas Instruments | Check for Price | Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs LM139J/PB |
| LM139J/883B | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs LM139J/883B |
| 5962-7700801VCX | Texas Instruments | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs 5962-7700801VCX |
| LM139J/883 | National Semiconductor Corporation | Check for Price | Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs LM139J/883 |
| LM139J/NOPB | Texas Instruments | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs LM139J/NOPB |
| 7700801CX | Fairchild Semiconductor Corporation | Check for Price | Comparator, 1 Func, 5000uV Offset-Max, BIPolar, CDIP14 | LM139JB vs 7700801CX |
| 7700801CX | National Semiconductor Corporation | Check for Price | Comparator, 1 Func, 5000uV Offset-Max, BIPolar, CDIP14 | LM139JB vs 7700801CX |
| 7700801CA | Texas Instruments | Check for Price | Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs 7700801CA |
| JM38510/11201BCB | Analog Devices Inc | Check for Price | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | LM139JB vs JM38510/11201BCB |
Part Details for LM139JB by Texas Instruments
Results Overview of LM139JB by Texas Instruments
- Distributor Offerings: (5 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.
LM139JB Information
LM139JB 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM139JB | Texas Instruments | Quad Differential Comparator 14-CDIP -55 to 125 |
Price & Stock for LM139JB
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-LM139JB-ND
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DigiKey | IC COMPARATOR 4CH 14-CDIP Min Qty: 25 Container: Tube |
0 Tube |
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$28.4820 | Buy Now |
|
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Bristol Electronics | Comparator Quad R-R O/P ±15V/30V 14-Pin CDIP Tube | 20 |
|
RFQ | |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,CERAMIC | 32 |
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$17.4333 / $18.1306 | Buy Now |
|
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,CERAMIC | 16 |
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$22.8000 / $24.0000 | Buy Now |
|
|
Chip Stock | Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14 | 5500 |
|
RFQ |
US Tariff Estimator: LM139JB 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.
LM139JB CAD Models
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LM139JB Part Data Attributes
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LM139JB
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM139JB
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 | |
| Amplifier Type | Comparator | |
| Average Bias Current-Max (IIB) | 0.3 µA | |
| Bias Current-Max (IIB) @25C | 0.025 µA | |
| Input Offset Voltage-Max | 5000 µV | |
| JESD-30 Code | R-GDIP-T14 | |
| JESD-609 Code | e0 | |
| Length | 19.94 Mm | |
| Number of Functions | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °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 | Tube | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Screening Level | Mil-Std-883 | |
| 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 | Military | |
| 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 LM139JB
This table gives cross-reference parts and alternative options found for LM139JB. 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 LM139JB, 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.
LM139JB 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, consider adding hysteresis to the comparator by connecting a resistor and capacitor between the output and the non-inverting input.
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The minimum input voltage required for the comparator to function correctly is typically around 1.5V to 2V below the supply voltage (VCC). Operating the comparator at input voltages closer to the supply voltage can result in incorrect operation.
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No, the LM139JB 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 swing. A general rule of thumb is to choose a resistor value that limits the output current to 1-2mA. A higher value resistor may be required for higher output voltage swings.