| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM339APWR | Texas Instruments | $0.1640 | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM339APWR |
| LM239APT | STMicroelectronics | $0.2476 | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM239APT |
| LM2901AVQPWRG4Q1 | Texas Instruments | Check for Price | Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM2901AVQPWRG4Q1 |
| LM339APWRE4 | Texas Instruments | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM339APWRE4 |
| LM339AP | STMicroelectronics | Check for Price | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM339AP |
| LM2901AVQPWR | Texas Instruments | Check for Price | Comparator, 4 Func, 2000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM2901AVQPWR |
| LM339APWRG4 | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM339APWRG4 |
| LM339APWG4 | Texas Instruments | Check for Price | Comparator, 4 Func, 3000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | LM139APT vs LM339APWG4 |
Part Details for LM139APT by STMicroelectronics
Results Overview of LM139APT by STMicroelectronics
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (8 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 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.
LM139APT Information
LM139APT by STMicroelectronics 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 LM139APT
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
497-10614-2-ND
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DigiKey | IC COMPARATOR 4CH 14-TSSOP Min Qty: 2500 Container: Tape & Reel |
0 Tape & Reel |
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$0.9934 / $1.0262 | Buy Now |
|
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Quest Components | QUAD COMPARATOR, 4000UV OFFSET-MAX, 1300NS RESPONSE TIME, PDSO14 | 36131 |
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$0.4725 / $1.3500 | Buy Now |
|
|
Vyrian | Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 | 12234 |
|
RFQ |
US Tariff Estimator: LM139APT by STMicroelectronics
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.
LM139APT CAD Models
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LM139APT Part Data Attributes
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LM139APT
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LM139APT
STMicroelectronics
Comparator, 4 Func, 4000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
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| Part Life Cycle Code | Obsolete | |
| Part Package Code | TSSOP | |
| Package Description | Rohs Compliant, Tssop-14 | |
| 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 | 0.1 µA | |
| Input Offset Voltage-Max | 4000 µV | |
| JESD-30 Code | R-PDSO-G14 | |
| Length | 5 Mm | |
| Number of Functions | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Type | Open-Collector | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TSSOP | |
| Package Equivalence Code | TSSOP14,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline, Thin Profile, Shrink Pitch | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Seated Height-Max | 1.2 Mm | |
| Supply Current-Max | 2.5 Ma | |
| Supply Voltage Limit-Max | 32 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Military | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 0.65 Mm | |
| Terminal Position | Dual | |
| Width | 4.4 Mm |
Alternate Parts for LM139APT
This table gives cross-reference parts and alternative options found for LM139APT. 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 LM139APT, 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.
LM139APT Frequently Asked Questions (FAQ)
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The maximum voltage that can be applied to the input pins is 15V, but it's recommended to keep it below 12V to ensure reliable operation.
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To prevent oscillations, ensure that the output is properly terminated, and add a small capacitor (e.g., 10nF) between the output and ground to filter out high-frequency noise.
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Use a 10uF capacitor in parallel with a 100nF capacitor between the power supply pins (VCC and GND) to ensure stable operation and reduce noise.
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No, the LM139APT is a comparator, not an amplifier. It's designed to provide a digital output based on the input voltage comparison, not to amplify signals.
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The pull-up resistor value depends on the load current and the desired output voltage. A general rule of thumb is to use a value between 1kΩ and 10kΩ, but consult the datasheet and application notes for specific guidance.