Part Details for LM139DRG4 by Texas Instruments
Results Overview of LM139DRG4 by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (2 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.
LM139DRG4 Information
LM139DRG4 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 LM139DRG4
| Part # | Distributor | Description | Stock | Price | Buy | |
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Rochester Electronics | Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14 RoHS: Compliant Status: Active Min Qty: 1 | 77 |
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$1.2100 / $1.5100 | Buy Now |
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Win Source Electronics | IC QUAD DIFF COMPARATOR 14-SOIC | 2450 |
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$0.8959 / $1.3438 | Buy Now |
US Tariff Estimator: LM139DRG4 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.
Part Details for LM139DRG4
LM139DRG4 CAD Models
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LM139DRG4 Part Data Attributes
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LM139DRG4
Texas Instruments
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Datasheet
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LM139DRG4
Texas Instruments
Quad differential comparator, military grade 14-SOIC -55 to 125
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOIC | |
| Pin Count | 14 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Samacsys Manufacturer | Texas Instruments | |
| 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-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 | TR | |
| 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 LM139DRG4
This table gives cross-reference parts and alternative options found for LM139DRG4. 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 LM139DRG4, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM139D | National Semiconductor Corporation | Check for Price | IC COMPARATOR, Comparator | LM139DRG4 vs LM139D |
LM139DRG4 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 not operating in the linear region. Also, add a small capacitor (e.g., 10nF) between the output and ground to filter out high-frequency noise.
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The minimum input voltage required for the comparator to function correctly is 1.5V. However, the device can operate down to 1.2V, but with reduced performance.
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No, the LM139DRG4 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 signals.
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To reduce power consumption, operate the device at a lower supply voltage (e.g., 3.3V instead of 5V) and minimize the input signal frequency. You can also consider using a lower-power comparator or a comparator with a shutdown pin.