| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| CA0139AM | Intersil Corporation | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs CA0139AM |
| LM239AD | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM239AD |
| LM339ADE4 | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM339ADE4 |
| LM139ADG4 | Texas Instruments | Check for Price | Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM139ADG4 |
| LM339ADRE4 | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM339ADRE4 |
| LM239ADR2 | onsemi | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM239ADR2 |
| LM239AM | Fairchild Semiconductor Corporation | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM239AM |
| LM339ADR2 | onsemi | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM339ADR2 |
| LM339AD | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM339AD |
| LM339ADR2 | Motorola Semiconductor Products | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139AD vs LM339ADR2 |
Part Details for LM139AD by Texas Instruments
Results Overview of LM139AD by Texas Instruments
- Distributor Offerings: (6 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.
LM139AD Information
LM139AD 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 |
|---|---|---|---|
| LM139ADR | Texas Instruments | Quad Differential Comparator 14-SOIC -55 to 125 | |
| LM139ADG4 | Texas Instruments | Quad Differential Comparator 14-SOIC -55 to 125 | |
| LM139AD | Texas Instruments | Quad Differential Comparator 14-SOIC -55 to 125 |
Price & Stock for LM139AD
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Bristol Electronics | Comparator Quad ±16V/32V 14-Pin SOIC Tube | 146 |
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RFQ | |
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Quest Components | IC,VOLT COMPARATOR,QUAD,BIPOLAR,SOIC,14PIN,PLASTIC | 92 |
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$2.2464 / $4.8138 | Buy Now |
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ComSIT USA | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, MDIP14 ECCN: EAR99 RoHS: Compliant |
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RFQ | |
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Chip Stock | Precision quad differential comparator, military grade 14-SOIC -55 to 125 | 7351 |
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RFQ | |
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Component Electronics, Inc | IN STOCK SHIP TODAY | 25 |
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$1.5000 / $2.3100 | Buy Now |
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Win Source Electronics | IC QUAD DIFF COMPARATOR 14-SOIC | 11817 |
|
$1.5421 / $1.9809 | Buy Now |
US Tariff Estimator: LM139AD 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.
LM139AD CAD Models
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LM139AD Part Data Attributes
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LM139AD
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM139AD
Texas Instruments
Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Pin Count | 14 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Amplifier Type | Comparator | |
| Average Bias Current-Max (IIB) | 0.3 µA | |
| Bias Current-Max (IIB) @25C | 0.025 µA | |
| Input Offset Voltage-Max | 2000 µV | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e4 | |
| Length | 8.65 Mm | |
| Moisture Sensitivity Level | 1 | |
| 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 | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Packing Method | Tube | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max | 2 Ma | |
| Supply Voltage Limit-Max | 36 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Military | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 Mm |
Alternate Parts for LM139AD
This table gives cross-reference parts and alternative options found for LM139AD. 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 LM139AD, 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.
LM139AD 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 that the comparator is properly biased. 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 above the negative supply voltage (VSS). However, this can vary depending on the specific application and operating conditions.
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No, the LM139AD is a comparator, not a voltage regulator. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not designed to regulate voltage.
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The pull-up resistor value depends on the specific application and the load connected to the output. A general rule of thumb is to choose a value between 1kΩ to 10kΩ. However, it's recommended to consult the datasheet and application notes for more specific guidance.